protein spire homolog 1-like isoform X4 [Denticeps clupeoides]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | ||||
| KIND | pfam16474 | Kinase non-catalytic C-lobe domain; The KIND domain (kinase non-catalytic C-lobe domain) ... |
17-212 | 5.08e-92 | ||||
Kinase non-catalytic C-lobe domain; The KIND domain (kinase non-catalytic C-lobe domain) evolved from a catalytic protein kinase fold and functions as an interaction domain. In SPIRE1 (protein spire homolog 1) this domain interacts with FMN2 (formin-2). : Pssm-ID: 465129 Cd Length: 196 Bit Score: 285.74 E-value: 5.08e-92
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| FYVE_SPIR1 | cd15767 | FYVE-related domain found in protein spire homolog 1 (Spire1) and similar proteins; Spire1 is ... |
560-722 | 7.93e-37 | ||||
FYVE-related domain found in protein spire homolog 1 (Spire1) and similar proteins; Spire1 is encoded by gene spir-1, which is primarily found to be expressed in the developing nervous system and in neuronal cells of the adult brain, as well as in the fetal liver and in the adult spleen. It functions as a new essential factor in asymmetric division of oocytes. It mediates asymmetric spindle positioning by assembling a cytoplasmic actin network. It is also required for polar body extrusion by promoting assembly of the cleavage furrow. Moreover, it cooperates synergistically with Fmn2 to assemble F-actin in oocytes. Spire1 contains an N-terminal protein-interaction KIND domain, WH2 actin-binding domains, a Rab GTPase-interaction Spir-box, and a C-terminal FYVE membrane-binding domain. The FYVE domain resembles a FYVE-related domain that is structurally similar to the canonical FYVE domains but lack the three signature sequences: an N-terminal WxxD motif (x for any residue), the central basic R(R/K)HHCRxCG patch, and a C-terminal RVC motif, which form a binding pocket that specifically binds the phospholipid phosphatidylinositol 3-phosphate (PtdIns3P or PI3P). : Pssm-ID: 277306 Cd Length: 79 Bit Score: 132.72 E-value: 7.93e-37
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| WH2_Spire1_r2-like | cd22078 | second tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
275-306 | 1.03e-16 | ||||
second tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homolog 1 (Spir1), and related proteins; This family contains the second tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-1 (also called Spir1) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 2 of human Spire-1 protein. Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, and in adult tissues, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. This family also contains the second of four tandem repeats of WH2 in Drosophila melanogaster Spire (also called Spir), an actin nucleator essential for establishing an actin mesh during oogenesis. : Pssm-ID: 409221 Cd Length: 32 Bit Score: 74.11 E-value: 1.03e-16
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| WH2_Spire_1-2_r1 | cd22065 | first tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
235-266 | 2.98e-16 | ||||
first tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homologs 1 and 2; This family contains the first tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family proteins Spire-1 (also called Spir1) and Spire-2 (Spir2) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 and Spire-2. This model contains WH2 domain 1 of human Spire-1 and Spire-2 . Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, while spire2 expression is seen in early stages of intestinal development. In adult tissues, the spire2 gene shows a rather broad expression pattern, which includes the epithelial cells of the digestive tract, testical spermatocytes, and neuronal cells of the nervous system. In contrast, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. : Pssm-ID: 409208 Cd Length: 32 Bit Score: 72.77 E-value: 2.98e-16
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| WH2_Spire1_r4 | cd22080 | fourth tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
340-363 | 3.09e-07 | ||||
fourth tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homolog 1; This family contains the fourth tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-1 (also called Spir1) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 4 of Spire-1 protein. Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, and in adult tissues, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. : Pssm-ID: 409223 Cd Length: 24 Bit Score: 46.81 E-value: 3.09e-07
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| WH2 super family | cl41728 | Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif), and similar proteins; This ... |
309-331 | 6.20e-07 | ||||
Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif), and similar proteins; This family contains the Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) as well as thymosin-beta (Tbeta; also called beta-thymosin or betaT) domains that are small, widespread intrinsically disordered actin-binding peptides displaying significant sequence variability and different regulations of actin self-assembly in motile and morphogenetic processes. These WH2/betaT peptides are identified by a central consensus actin-binding motif LKKT/V flanked by variable N-terminal and C-terminal extensions; the betaT shares a more extended and conserved C-terminal half than WH2. These single or repeated domains are found in actin-binding proteins (ABPs) such as the hematopoietic-specific protein WASP, its ubiquitously expressed ortholog neural-WASP (N-WASP), WASP-interacting protein (WAS/WASL-interacting protein family members 1 and 2), and WASP-family verprolin homologous protein (WAVE/SCAR) isoforms: WAVE1, WAVE2, and WAVE3. Also included are the WH2 domains found in inverted formin FH2 domain-containing protein (INF2), Cordon bleu (Cobl) protein, vasodilator-stimulated phosphoprotein (VASP) homology protein and actobindin (found in amoebae). These ABPs are commonly multidomain proteins that contain signaling domains and structurally conserved actin-binding motifs, the most important being the WH2 domain motif through which they bind actin in order to direct the location, rate, and timing for actin assembly in the cell into different structures, such as filopodia, lamellipodia, stress fibers, and focal adhesions. The WH2 domain motif is one of the most abundant actin-binding motifs in Wiskott-Aldrich syndrome proteins (WASPs) where they activate Arp2/3-dependent actin nucleation and branching in response to signals mediated by Rho-family GTPases. The thymosin beta (Tbeta) domains in metazoans act in cells as major actin-sequestering peptides; their complex with monomeric ATP-actin (G-ATP-actin) cannot polymerize at either filament (F-actin) end. The actual alignment was detected with superfamily member cd22186: Pssm-ID: 425359 Cd Length: 23 Bit Score: 46.18 E-value: 6.20e-07
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| Name | Accession | Description | Interval | E-value | ||||
| KIND | pfam16474 | Kinase non-catalytic C-lobe domain; The KIND domain (kinase non-catalytic C-lobe domain) ... |
17-212 | 5.08e-92 | ||||
Kinase non-catalytic C-lobe domain; The KIND domain (kinase non-catalytic C-lobe domain) evolved from a catalytic protein kinase fold and functions as an interaction domain. In SPIRE1 (protein spire homolog 1) this domain interacts with FMN2 (formin-2). Pssm-ID: 465129 Cd Length: 196 Bit Score: 285.74 E-value: 5.08e-92
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| KIND | smart00750 | kinase non-catalytic C-lobe domain; It is an interaction domain identified as being similar to ... |
17-207 | 3.77e-38 | ||||
kinase non-catalytic C-lobe domain; It is an interaction domain identified as being similar to the C-terminal protein kinase catalytic fold (C lobe). Its presence at the N terminus of signalling proteins and the absence of the active-site residues in the catalytic and activation loops suggest that it folds independently and is likely to be non-catalytic. The occurrence of KIND only in metazoa implies that it has evolved from the catalytic protein kinase domain into an interaction domain possibly by keeping the substrate-binding features Pssm-ID: 214801 Cd Length: 176 Bit Score: 139.84 E-value: 3.77e-38
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| FYVE_SPIR1 | cd15767 | FYVE-related domain found in protein spire homolog 1 (Spire1) and similar proteins; Spire1 is ... |
560-722 | 7.93e-37 | ||||
FYVE-related domain found in protein spire homolog 1 (Spire1) and similar proteins; Spire1 is encoded by gene spir-1, which is primarily found to be expressed in the developing nervous system and in neuronal cells of the adult brain, as well as in the fetal liver and in the adult spleen. It functions as a new essential factor in asymmetric division of oocytes. It mediates asymmetric spindle positioning by assembling a cytoplasmic actin network. It is also required for polar body extrusion by promoting assembly of the cleavage furrow. Moreover, it cooperates synergistically with Fmn2 to assemble F-actin in oocytes. Spire1 contains an N-terminal protein-interaction KIND domain, WH2 actin-binding domains, a Rab GTPase-interaction Spir-box, and a C-terminal FYVE membrane-binding domain. The FYVE domain resembles a FYVE-related domain that is structurally similar to the canonical FYVE domains but lack the three signature sequences: an N-terminal WxxD motif (x for any residue), the central basic R(R/K)HHCRxCG patch, and a C-terminal RVC motif, which form a binding pocket that specifically binds the phospholipid phosphatidylinositol 3-phosphate (PtdIns3P or PI3P). Pssm-ID: 277306 Cd Length: 79 Bit Score: 132.72 E-value: 7.93e-37
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| WH2_Spire1_r2-like | cd22078 | second tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
275-306 | 1.03e-16 | ||||
second tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homolog 1 (Spir1), and related proteins; This family contains the second tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-1 (also called Spir1) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 2 of human Spire-1 protein. Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, and in adult tissues, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. This family also contains the second of four tandem repeats of WH2 in Drosophila melanogaster Spire (also called Spir), an actin nucleator essential for establishing an actin mesh during oogenesis. Pssm-ID: 409221 Cd Length: 32 Bit Score: 74.11 E-value: 1.03e-16
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| WH2_Spire_1-2_r1 | cd22065 | first tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
235-266 | 2.98e-16 | ||||
first tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homologs 1 and 2; This family contains the first tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family proteins Spire-1 (also called Spir1) and Spire-2 (Spir2) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 and Spire-2. This model contains WH2 domain 1 of human Spire-1 and Spire-2 . Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, while spire2 expression is seen in early stages of intestinal development. In adult tissues, the spire2 gene shows a rather broad expression pattern, which includes the epithelial cells of the digestive tract, testical spermatocytes, and neuronal cells of the nervous system. In contrast, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. Pssm-ID: 409208 Cd Length: 32 Bit Score: 72.77 E-value: 2.98e-16
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| WH2_Spire1_r4 | cd22080 | fourth tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
340-363 | 3.09e-07 | ||||
fourth tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homolog 1; This family contains the fourth tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-1 (also called Spir1) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 4 of Spire-1 protein. Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, and in adult tissues, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. Pssm-ID: 409223 Cd Length: 24 Bit Score: 46.81 E-value: 3.09e-07
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| WH2_Spire1-2_r3 | cd22186 | third tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
309-331 | 6.20e-07 | ||||
third tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homologs 1 and 2; This family contains the third tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-1 (also called Spir1) and Spire-2 (Spir2) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 3 of human Spire-1 and Spire-2 . Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, while spire2 expression is seen in early stages of intestinal development. In adult tissues, the spire2 gene shows a rather broad expression pattern, which includes the epithelial cells of the digestive tract, testical spermatocytes, and neuronal cells of the nervous system. In contrast, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. Pssm-ID: 409226 Cd Length: 23 Bit Score: 46.18 E-value: 6.20e-07
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| Name | Accession | Description | Interval | E-value | ||||
| KIND | pfam16474 | Kinase non-catalytic C-lobe domain; The KIND domain (kinase non-catalytic C-lobe domain) ... |
17-212 | 5.08e-92 | ||||
Kinase non-catalytic C-lobe domain; The KIND domain (kinase non-catalytic C-lobe domain) evolved from a catalytic protein kinase fold and functions as an interaction domain. In SPIRE1 (protein spire homolog 1) this domain interacts with FMN2 (formin-2). Pssm-ID: 465129 Cd Length: 196 Bit Score: 285.74 E-value: 5.08e-92
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| KIND | smart00750 | kinase non-catalytic C-lobe domain; It is an interaction domain identified as being similar to ... |
17-207 | 3.77e-38 | ||||
kinase non-catalytic C-lobe domain; It is an interaction domain identified as being similar to the C-terminal protein kinase catalytic fold (C lobe). Its presence at the N terminus of signalling proteins and the absence of the active-site residues in the catalytic and activation loops suggest that it folds independently and is likely to be non-catalytic. The occurrence of KIND only in metazoa implies that it has evolved from the catalytic protein kinase domain into an interaction domain possibly by keeping the substrate-binding features Pssm-ID: 214801 Cd Length: 176 Bit Score: 139.84 E-value: 3.77e-38
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| FYVE_SPIR1 | cd15767 | FYVE-related domain found in protein spire homolog 1 (Spire1) and similar proteins; Spire1 is ... |
560-722 | 7.93e-37 | ||||
FYVE-related domain found in protein spire homolog 1 (Spire1) and similar proteins; Spire1 is encoded by gene spir-1, which is primarily found to be expressed in the developing nervous system and in neuronal cells of the adult brain, as well as in the fetal liver and in the adult spleen. It functions as a new essential factor in asymmetric division of oocytes. It mediates asymmetric spindle positioning by assembling a cytoplasmic actin network. It is also required for polar body extrusion by promoting assembly of the cleavage furrow. Moreover, it cooperates synergistically with Fmn2 to assemble F-actin in oocytes. Spire1 contains an N-terminal protein-interaction KIND domain, WH2 actin-binding domains, a Rab GTPase-interaction Spir-box, and a C-terminal FYVE membrane-binding domain. The FYVE domain resembles a FYVE-related domain that is structurally similar to the canonical FYVE domains but lack the three signature sequences: an N-terminal WxxD motif (x for any residue), the central basic R(R/K)HHCRxCG patch, and a C-terminal RVC motif, which form a binding pocket that specifically binds the phospholipid phosphatidylinositol 3-phosphate (PtdIns3P or PI3P). Pssm-ID: 277306 Cd Length: 79 Bit Score: 132.72 E-value: 7.93e-37
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| FYVE_SPIR2 | cd15768 | FYVE-related domain found in protein spire homolog 2 (Spire2) and similar proteins; Spire2 is ... |
560-718 | 6.77e-19 | ||||
FYVE-related domain found in protein spire homolog 2 (Spire2) and similar proteins; Spire2 is encoded by gene spir-2, which is expressed in the nervous system and highly expressed in the colonic epithelium. It functions as a new essential factor in asymmetric division of oocytes. It mediates asymmetric spindle positioning by assembling a cytoplasmic actin network. It is also required for polar body extrusion by promoting assembly of the cleavage furrow. Moreover, it cooperates synergistically with Fmn2 to assemble F-actin in oocytes. Spire2 contains an N-terminal protein-interaction KIND domain, WH2 actin-binding domains, a Rab GTPase-interaction Spir-box, and a C-terminal FYVE membrane-binding domain. The FYVE domain resembles a FYVE-related domain that is structurally similar to the canonical FYVE domains but lacks the three signature sequences: an N-terminal WxxD motif (x for any residue), the central basic R(R/K)HHCRxCG patch, and a C-terminal RVC motif, which form a binding pocket that specifically binds the phospholipid phosphatidylinositol 3-phosphate (PtdIns3P or PI3P). Pssm-ID: 277307 Cd Length: 112 Bit Score: 82.63 E-value: 6.77e-19
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| WH2_Spire1_r2-like | cd22078 | second tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
275-306 | 1.03e-16 | ||||
second tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homolog 1 (Spir1), and related proteins; This family contains the second tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-1 (also called Spir1) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 2 of human Spire-1 protein. Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, and in adult tissues, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. This family also contains the second of four tandem repeats of WH2 in Drosophila melanogaster Spire (also called Spir), an actin nucleator essential for establishing an actin mesh during oogenesis. Pssm-ID: 409221 Cd Length: 32 Bit Score: 74.11 E-value: 1.03e-16
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| WH2_Spire_1-2_r1 | cd22065 | first tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
235-266 | 2.98e-16 | ||||
first tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homologs 1 and 2; This family contains the first tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family proteins Spire-1 (also called Spir1) and Spire-2 (Spir2) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 and Spire-2. This model contains WH2 domain 1 of human Spire-1 and Spire-2 . Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, while spire2 expression is seen in early stages of intestinal development. In adult tissues, the spire2 gene shows a rather broad expression pattern, which includes the epithelial cells of the digestive tract, testical spermatocytes, and neuronal cells of the nervous system. In contrast, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. Pssm-ID: 409208 Cd Length: 32 Bit Score: 72.77 E-value: 2.98e-16
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| FYVE_SPIR | cd15748 | FYVE-related domain found in Spir proteins, Spire1 and Spire2; Spir proteins were originally ... |
562-596 | 1.16e-15 | ||||
FYVE-related domain found in Spir proteins, Spire1 and Spire2; Spir proteins were originally discovered as the protein products of the Drosophila spire gene. They are Jun N-terminal kinase (JNK)-interacting proteins that have exclusively been identified in metazoans. They may play roles in membrane trafficking and cortical filament crosslinking. This family includes Spire1 and Spire2, which function as new essential factors in asymmetric division of oocytes. They mediate asymmetric spindle positioning by assembling a cytoplasmic actin network. They are also required for polar body extrusion by promoting assembly of the cleavage furrow. Moreover, they cooperate synergistically with Fmn2 to assemble F-actin in oocytes. Both Spire1 and Spire2 contain an N-terminal protein-interaction KIND domain, WH2 actin-binding domains, a Rab GTPase-interaction Spir-box, and a C-terminal FYVE membrane-binding domain. Their FYVE domains resemble FYVE-related domains that are structurally similar to the canonical FYVE domains but lack the three signature sequences: an N-terminal WxxD motif (x for any residue), the central basic R(R/K)HHCRxCG patch, and a C-terminal RVC motif, which form a binding pocket that specifically bind the phospholipid phosphatidylinositol 3-phosphate (PtdIns3P or PI3P). Pssm-ID: 277287 Cd Length: 42 Bit Score: 71.21 E-value: 1.16e-15
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| WH2_Spire2_r2 | cd22079 | second tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
277-306 | 2.76e-12 | ||||
second tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homolog 2; This family contains the second tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-2 (also called Spir2) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 2 of human Spire-2. Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire2 expression is seen in early stages of intestinal development. In adult tissues, the spire2 gene shows a rather broad expression pattern, which includes the epithelial cells of the digestive tract, testical spermatocytes, and neuronal cells of the nervous system. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. Pssm-ID: 409222 Cd Length: 30 Bit Score: 61.46 E-value: 2.76e-12
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| WH2_Spire1_r4 | cd22080 | fourth tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
340-363 | 3.09e-07 | ||||
fourth tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homolog 1; This family contains the fourth tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-1 (also called Spir1) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 4 of Spire-1 protein. Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, and in adult tissues, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. Pssm-ID: 409223 Cd Length: 24 Bit Score: 46.81 E-value: 3.09e-07
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| WH2_Spire1-2_r3 | cd22186 | third tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
309-331 | 6.20e-07 | ||||
third tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homologs 1 and 2; This family contains the third tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-1 (also called Spir1) and Spire-2 (Spir2) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 3 of human Spire-1 and Spire-2 . Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire1 expression is found in the fetal liver, while spire2 expression is seen in early stages of intestinal development. In adult tissues, the spire2 gene shows a rather broad expression pattern, which includes the epithelial cells of the digestive tract, testical spermatocytes, and neuronal cells of the nervous system. In contrast, spire1 is mainly expressed in neuronal cells of the nervous system. Minor expression levels were detected in testis and spleen. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. High levels of spire1 expression are restricted to the nervous system, oocytes, and testis. Since function of Spire-1 and Spire-2 in oocyte maturation is redundant, spire1 mutant mice are fertile, overall brain anatomy is not altered, and visual and motor functions remain normal; however, detailed behavioral studies of the spire1 mutant mice unveiled a very specific and highly significant phenotype in terms of fear learning in male mice. Pssm-ID: 409226 Cd Length: 23 Bit Score: 46.18 E-value: 6.20e-07
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| FYVE_like_SF | cd00065 | FYVE domain like superfamily; FYVE domain is a 60-80 residue double zinc finger ... |
566-610 | 3.27e-06 | ||||
FYVE domain like superfamily; FYVE domain is a 60-80 residue double zinc finger motif-containing module named after the four proteins, Fab1, YOTB, Vac1, and EEA1. The canonical FYVE domains are distinguished from other zinc fingers by three signature sequences: an N-terminal WxxD motif (x for any residue), the central basic R(R/K)HHCRxCG patch, and a C-terminal RVC motif, which form a compact phosphatidylinositol 3-phosphate (PtdIns3P, also termed PI3P)-binding site. They are found in many membrane trafficking regulators, including EEA1, Hrs, Vac1p, Vps27p, and FENS-1, which locate to early endosomes, specifically bind PtdIns3P, and play important roles in vesicular traffic and in signal transduction. Some proteins, such as rabphilin-3A and alpha-Rab3-interacting molecules (RIMs), are also involved in membrane trafficking and bind to members of the Rab subfamily of GTP hydrolases. However, they contain FYVE-related domains that are structurally similar to the canonical FYVE domains but lack the three signature sequences. At this point, they may not bind to phosphoinositides. In addition, this superfamily also contains the third group of proteins, caspase-associated ring proteins CARP1 and CARP2. They do not localize to membranes in the cell and are involved in the negative regulation of apoptosis, specifically targeting two initiator caspases, caspase 8 and caspase 10, which are distinguished from other FYVE-type proteins. Moreover, these proteins have an altered sequence in the basic ligand binding patch and lack the WxxD motif that is conserved only in phosphoinositide binding FYVE domains. Thus they constitute a family of unique FYVE-type domains called FYVE-like domains. The FYVE domain is structurally similar to the RING domain and the PHD finger. This superfamily also includes ADDz zinc finger domain, which is a PHD-like zinc finger motif that contains two parts, a C2-C2 and a PHD-like zinc finger. Pssm-ID: 277249 [Multi-domain] Cd Length: 52 Bit Score: 44.83 E-value: 3.27e-06
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| WH2_DmSpire_r1-like | cd22067 | first tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat found in ... |
234-260 | 2.89e-05 | ||||
first tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat found in Drosophila melanogaster Spire, and similar proteins; This family contains the first of four tandem repeats of Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) in Drosophila melanogaster Spire (also called Spir), an actin nucleator essential for establishing an actin mesh during oogenesis. Spire was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire promotes dissociation of the actin nucleator Cappuccino (Capu) from the barbed end of actin filaments. Spire is involved in intracellular vesicle transport along actin fibers, providing a link between actin cytoskeleton dynamics and intracellular transport. Drosophila Spire contains four tandem WH2 domains which appear to function by determining the size of filament nuclei according to the number of WH2 repeats, suggesting that the WH2 domains of Spire line up actin subunits along a filament strand of the actin double helix, thereby generating nuclei for actin assembly. This model contains the first tandem WH2 domain of Spire (also called Spir-A or WH2-A). Pssm-ID: 409210 Cd Length: 27 Bit Score: 41.49 E-value: 2.89e-05
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| WH2_DmSpire_r3-like | cd22068 | third tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat found in ... |
309-333 | 2.95e-04 | ||||
third tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat found in Drosophila melanogaster Spire, and similar proteins; This family contains the third of four tandem repeats of Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) in Drosophila melanogaster Spire (also called Spir), an actin nucleator essential for establishing an actin mesh during oogenesis. Spire was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire promotes dissociation of the actin nucleator Cappuccino (Capu) from the barbed end of actin filaments. Spire is involved in intracellular vesicle transport along actin fibers, providing a link between actin cytoskeleton dynamics and intracellular transport. Drosophila Spire contains four tandem WH2 domains which appear to function by determining the size of filament nuclei according to the number of WH2 repeats, suggesting that the WH2 domains of Spire line up actin subunits along a filament strand of the actin double helix, thereby generating nuclei for actin assembly. This model contains the third tandem WH2 domain of Spire (also called Spir-C or WH2-C), which plays a unique role whereby two critical residues have been identified for activity for binding to actin with positive cooperativity. Pssm-ID: 409211 Cd Length: 26 Bit Score: 38.55 E-value: 2.95e-04
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| WH2_Spire2_r4 | cd22081 | fourth tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein ... |
342-361 | 3.63e-04 | ||||
fourth tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeat of protein Spire homolog 2; This family contains the fourth tandem Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) domain in human Spire family protein Spire-2 (also called Spir2) and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. It was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. The mammalian genome encodes two Spire proteins, namely Spire-1 (Spir1) and Spire-2 (Spir2). This model contains WH2 domain 4 of Spire-2. Major expression of both spire genes have been detected during embryogenesis in the developing nervous system). In addition, spire2 expression is seen in early stages of intestinal development. In adult tissues, the spire2 gene shows a rather broad expression pattern, which includes the epithelial cells of the digestive tract, testical spermatocytes, and neuronal cells of the nervous system. Spire also acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. Pssm-ID: 409224 Cd Length: 22 Bit Score: 38.41 E-value: 3.63e-04
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| WH2_Spire | cd22066 | second, third, and fourth, tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) ... |
309-329 | 6.45e-04 | ||||
second, third, and fourth, tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeats of protein Spire; This family contains the Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) repeats 2-4 in human Spire (also called Spir), Drosophila Spire, and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. This WH2-containing actin nucleator was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. Several spire gene family members have been identified, including paralogs Spire-1 (Spir1) and Spire-2 (Spir2) in higher eukaryotes. Spire acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. Spire-1 and Spire-2 encode a modified Fab1/YOTB/Vac1/EEA1 (FYVE)-type zinc finger membrane-binding domain at their C-termini that promiscuously interacts with negatively charged lipids and the interaction of these proteins with additional factors may provide the specificity for its targeting to the correct subpopulation of vesicles. Pssm-ID: 409209 Cd Length: 22 Bit Score: 37.57 E-value: 6.45e-04
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| WH2_Spire | cd22066 | second, third, and fourth, tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) ... |
277-299 | 1.82e-03 | ||||
second, third, and fourth, tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeats of protein Spire; This family contains the Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) repeats 2-4 in human Spire (also called Spir), Drosophila Spire, and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. This WH2-containing actin nucleator was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. Several spire gene family members have been identified, including paralogs Spire-1 (Spir1) and Spire-2 (Spir2) in higher eukaryotes. Spire acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. Spire-1 and Spire-2 encode a modified Fab1/YOTB/Vac1/EEA1 (FYVE)-type zinc finger membrane-binding domain at their C-termini that promiscuously interacts with negatively charged lipids and the interaction of these proteins with additional factors may provide the specificity for its targeting to the correct subpopulation of vesicles. Pssm-ID: 409209 Cd Length: 22 Bit Score: 36.03 E-value: 1.82e-03
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| WH2_Spire | cd22066 | second, third, and fourth, tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) ... |
341-362 | 4.04e-03 | ||||
second, third, and fourth, tandem Wiskott-Aldrich Syndrome Homology (WASP) region 2 (WH2 motif) repeats of protein Spire; This family contains the Wiskott-Aldrich syndrome protein (WASP)-homology domain 2 (WH2) repeats 2-4 in human Spire (also called Spir), Drosophila Spire, and related proteins. Spire is an actin nucleator essential for establishing an actin mesh during oogenesis. This WH2-containing actin nucleator was first identified as a Drosophila maternal effect gene essential to establishment of both the anterior/posterior and dorsal/ventral body axes in developing oocytes and embryos. It has been found to sever filaments and sequester monomers in addition to nucleating new filaments; it remains associated with the slow-growing pointed end of the new filament. Spire is involved in intracellular vesicle transport along actin fibers, providing a novel link between actin cytoskeleton dynamics and intracellular transport. It is required for asymmetric spindle positioning and asymmetric cell division during oocyte meiosis. Spire contains four tandem WH2 domains. Several spire gene family members have been identified, including paralogs Spire-1 (Spir1) and Spire-2 (Spir2) in higher eukaryotes. Spire acts in the nucleus where, together with Spire-1 and Spire-2, it promotes assembly of nuclear actin filaments in response to DNA damage in order to facilitate movement of chromatin and repair factors after DNA damage. Spire-1 and Spire-2 encode a modified Fab1/YOTB/Vac1/EEA1 (FYVE)-type zinc finger membrane-binding domain at their C-termini that promiscuously interacts with negatively charged lipids and the interaction of these proteins with additional factors may provide the specificity for its targeting to the correct subpopulation of vesicles. Pssm-ID: 409209 Cd Length: 22 Bit Score: 35.26 E-value: 4.04e-03
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| FYVE_ZF21 | cd15727 | FYVE domain found in zinc finger FYVE domain-containing protein 21 (ZF21) and similar proteins; ... |
561-601 | 9.67e-03 | ||||
FYVE domain found in zinc finger FYVE domain-containing protein 21 (ZF21) and similar proteins; ZF21 is phosphoinositide-binding protein that functions as a regulator of focal adhesions and cell movement through interaction with focal adhesion kinase. It can also bind to the cytoplasmic tail of membrane type 1 matrix metalloproteinase, a potent invasion-promoting protease, and play a key role in regulating multiple aspects of cancer cell migration and invasion. ZF21 contains a FYVE domain, which corresponds to this model. Pssm-ID: 277266 [Multi-domain] Cd Length: 64 Bit Score: 35.43 E-value: 9.67e-03
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