NCBI Home Page NCBI Site Search page NCBI Guide that lists and describes the NCBI resources
Conserved domains on  [gi|2096737219|ref|XP_043573967|]
View 

peroxisome assembly protein 12 [Chiloscyllium plagiosum]

Protein Classification

peroxin family protein( domain architecture ID 12057465)

peroxin family protein containing a C-terminal ring finger domain, such as peroxisome assembly protein 12, which is required for import of proteins into peroxisomes

Graphical summary

 Zoom to residue level

show extra options »

Show site features     Horizontal zoom: ×

List of domain hits

Name Accession Description Interval E-value
Pex2_Pex12 pfam04757
Pex2 / Pex12 amino terminal region; This region is found at the N terminal of a number of ...
27-267 3.47e-45

Pex2 / Pex12 amino terminal region; This region is found at the N terminal of a number of known and predicted peroxins including Pex2, Pex10 and Pex12. This conserved region is usually associated with a C terminal ring finger (pfam00097) domain.


:

Pssm-ID: 398431  Cd Length: 213  Bit Score: 154.08  E-value: 3.47e-45
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219  27 QDTLMSAVRPAAHHASKVLAESNpsrygFLWRWFDEIYVLLDVLLQHHYLSRTSASFSENFYSLKRIPLGSGHglwrlas 106
Cdd:pfam04757   1 DEELESLLRPQLRYILRLLAGQR-----FPLNYFDEIKLLLDLLYFRLTLLRGNATLGEEYYGLKRVSDRDGG------- 68
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219 107 RGLPRTQHWRSLLVLIAVPYVKVKLDKLFARLQEEDDYAIHLPASSWKRLYKAFLAAYPFVNMSWEALFLIYRLLYIFek 186
Cdd:pfam04757  69 RLLSRRRRLLSLLLLVLLPYLLRKLDSLLPRLSANDLESRNARDSLKSRLKRYLLKLYPFLESLYKLLNLHLFLFYLT-- 146
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219 187 TQFHSPLLRVAGVRLGNLTPADIQDLEkkssstsnrsasesVVGKLTSFLAKAMGGVTVSLSTGISVGVFFLQFLEWWYS 266
Cdd:pfam04757 147 GKYYSLSKRLLGIRYVRLKPLDIFSNE--------------RRVSYEQLLWNAFSELLGFLLPLLLAVILFLKLLEWWYS 212

                  .
gi 2096737219 267 S 267
Cdd:pfam04757 213 S 213
mRING_PEX12 cd16451
Modified RING finger found in peroxin-12 (PEX12) and similar proteins; PEX12, also known as ...
301-354 3.17e-33

Modified RING finger found in peroxin-12 (PEX12) and similar proteins; PEX12, also known as peroxisome assembly protein 12 or peroxisome assembly factor 3 (PAF-3), is a RING finger domain-containing integral membrane peroxin required for protein import into peroxisomes. Mutations in human PEX12 result in the peroxisome deficiency Zellweger syndrome of complementation group III (CG-III), a lethal neurological disorder. PEX12 also functions as an E3-ubiquitin ligase that facilitates the PEX4-dependent monoubiquitination of PEX5, a key player in peroxisomal matrix protein import, to control PEX5 receptor recycling or degradation. PEX12 contains a modified RING finger that lacks the third, fourth, and eighth zinc-binding residues of the consensus RING finger motif, suggesting PEX12 may only bind one zinc ion.


:

Pssm-ID: 438115 [Multi-domain]  Cd Length: 54  Bit Score: 117.34  E-value: 3.17e-33
                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|....
gi 2096737219 301 TVCPLCNKIRTNDTALATSGYVFCYRCAYSYVKRHQRCPVTGYPSELQHLVKLY 354
Cdd:cd16451     1 GICPLCRKKRTNPTALATSGYVFCYPCIYRYVKEHGRCPVTGYPASLDHLIKLY 54
 
Name Accession Description Interval E-value
Pex2_Pex12 pfam04757
Pex2 / Pex12 amino terminal region; This region is found at the N terminal of a number of ...
27-267 3.47e-45

Pex2 / Pex12 amino terminal region; This region is found at the N terminal of a number of known and predicted peroxins including Pex2, Pex10 and Pex12. This conserved region is usually associated with a C terminal ring finger (pfam00097) domain.


Pssm-ID: 398431  Cd Length: 213  Bit Score: 154.08  E-value: 3.47e-45
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219  27 QDTLMSAVRPAAHHASKVLAESNpsrygFLWRWFDEIYVLLDVLLQHHYLSRTSASFSENFYSLKRIPLGSGHglwrlas 106
Cdd:pfam04757   1 DEELESLLRPQLRYILRLLAGQR-----FPLNYFDEIKLLLDLLYFRLTLLRGNATLGEEYYGLKRVSDRDGG------- 68
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219 107 RGLPRTQHWRSLLVLIAVPYVKVKLDKLFARLQEEDDYAIHLPASSWKRLYKAFLAAYPFVNMSWEALFLIYRLLYIFek 186
Cdd:pfam04757  69 RLLSRRRRLLSLLLLVLLPYLLRKLDSLLPRLSANDLESRNARDSLKSRLKRYLLKLYPFLESLYKLLNLHLFLFYLT-- 146
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219 187 TQFHSPLLRVAGVRLGNLTPADIQDLEkkssstsnrsasesVVGKLTSFLAKAMGGVTVSLSTGISVGVFFLQFLEWWYS 266
Cdd:pfam04757 147 GKYYSLSKRLLGIRYVRLKPLDIFSNE--------------RRVSYEQLLWNAFSELLGFLLPLLLAVILFLKLLEWWYS 212

                  .
gi 2096737219 267 S 267
Cdd:pfam04757 213 S 213
mRING_PEX12 cd16451
Modified RING finger found in peroxin-12 (PEX12) and similar proteins; PEX12, also known as ...
301-354 3.17e-33

Modified RING finger found in peroxin-12 (PEX12) and similar proteins; PEX12, also known as peroxisome assembly protein 12 or peroxisome assembly factor 3 (PAF-3), is a RING finger domain-containing integral membrane peroxin required for protein import into peroxisomes. Mutations in human PEX12 result in the peroxisome deficiency Zellweger syndrome of complementation group III (CG-III), a lethal neurological disorder. PEX12 also functions as an E3-ubiquitin ligase that facilitates the PEX4-dependent monoubiquitination of PEX5, a key player in peroxisomal matrix protein import, to control PEX5 receptor recycling or degradation. PEX12 contains a modified RING finger that lacks the third, fourth, and eighth zinc-binding residues of the consensus RING finger motif, suggesting PEX12 may only bind one zinc ion.


Pssm-ID: 438115 [Multi-domain]  Cd Length: 54  Bit Score: 117.34  E-value: 3.17e-33
                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|....
gi 2096737219 301 TVCPLCNKIRTNDTALATSGYVFCYRCAYSYVKRHQRCPVTGYPSELQHLVKLY 354
Cdd:cd16451     1 GICPLCRKKRTNPTALATSGYVFCYPCIYRYVKEHGRCPVTGYPASLDHLIKLY 54
RING smart00184
Ring finger; E3 ubiquitin-protein ligase activity is intrinsic to the RING domain of c-Cbl and ...
303-340 6.69e-05

Ring finger; E3 ubiquitin-protein ligase activity is intrinsic to the RING domain of c-Cbl and is likely to be a general function of this domain; Various RING fingers exhibit binding activity towards E2 ubiquitin-conjugating enzymes (Ubc' s)


Pssm-ID: 214546 [Multi-domain]  Cd Length: 40  Bit Score: 39.80  E-value: 6.69e-05
                           10        20        30
                   ....*....|....*....|....*....|....*....
gi 2096737219  303 CPLCNKIRTNDTALATSGYVFCYRCAYSYVK-RHQRCPV 340
Cdd:smart00184   1 CPICLEEYLKDPVILPCGHTFCRSCIRKWLEsGNNTCPI 39
 
Name Accession Description Interval E-value
Pex2_Pex12 pfam04757
Pex2 / Pex12 amino terminal region; This region is found at the N terminal of a number of ...
27-267 3.47e-45

Pex2 / Pex12 amino terminal region; This region is found at the N terminal of a number of known and predicted peroxins including Pex2, Pex10 and Pex12. This conserved region is usually associated with a C terminal ring finger (pfam00097) domain.


Pssm-ID: 398431  Cd Length: 213  Bit Score: 154.08  E-value: 3.47e-45
                          10        20        30        40        50        60        70        80
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219  27 QDTLMSAVRPAAHHASKVLAESNpsrygFLWRWFDEIYVLLDVLLQHHYLSRTSASFSENFYSLKRIPLGSGHglwrlas 106
Cdd:pfam04757   1 DEELESLLRPQLRYILRLLAGQR-----FPLNYFDEIKLLLDLLYFRLTLLRGNATLGEEYYGLKRVSDRDGG------- 68
                          90       100       110       120       130       140       150       160
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219 107 RGLPRTQHWRSLLVLIAVPYVKVKLDKLFARLQEEDDYAIHLPASSWKRLYKAFLAAYPFVNMSWEALFLIYRLLYIFek 186
Cdd:pfam04757  69 RLLSRRRRLLSLLLLVLLPYLLRKLDSLLPRLSANDLESRNARDSLKSRLKRYLLKLYPFLESLYKLLNLHLFLFYLT-- 146
                         170       180       190       200       210       220       230       240
                  ....*....|....*....|....*....|....*....|....*....|....*....|....*....|....*....|
gi 2096737219 187 TQFHSPLLRVAGVRLGNLTPADIQDLEkkssstsnrsasesVVGKLTSFLAKAMGGVTVSLSTGISVGVFFLQFLEWWYS 266
Cdd:pfam04757 147 GKYYSLSKRLLGIRYVRLKPLDIFSNE--------------RRVSYEQLLWNAFSELLGFLLPLLLAVILFLKLLEWWYS 212

                  .
gi 2096737219 267 S 267
Cdd:pfam04757 213 S 213
mRING_PEX12 cd16451
Modified RING finger found in peroxin-12 (PEX12) and similar proteins; PEX12, also known as ...
301-354 3.17e-33

Modified RING finger found in peroxin-12 (PEX12) and similar proteins; PEX12, also known as peroxisome assembly protein 12 or peroxisome assembly factor 3 (PAF-3), is a RING finger domain-containing integral membrane peroxin required for protein import into peroxisomes. Mutations in human PEX12 result in the peroxisome deficiency Zellweger syndrome of complementation group III (CG-III), a lethal neurological disorder. PEX12 also functions as an E3-ubiquitin ligase that facilitates the PEX4-dependent monoubiquitination of PEX5, a key player in peroxisomal matrix protein import, to control PEX5 receptor recycling or degradation. PEX12 contains a modified RING finger that lacks the third, fourth, and eighth zinc-binding residues of the consensus RING finger motif, suggesting PEX12 may only bind one zinc ion.


Pssm-ID: 438115 [Multi-domain]  Cd Length: 54  Bit Score: 117.34  E-value: 3.17e-33
                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|....
gi 2096737219 301 TVCPLCNKIRTNDTALATSGYVFCYRCAYSYVKRHQRCPVTGYPSELQHLVKLY 354
Cdd:cd16451     1 GICPLCRKKRTNPTALATSGYVFCYPCIYRYVKEHGRCPVTGYPASLDHLIKLY 54
RING smart00184
Ring finger; E3 ubiquitin-protein ligase activity is intrinsic to the RING domain of c-Cbl and ...
303-340 6.69e-05

Ring finger; E3 ubiquitin-protein ligase activity is intrinsic to the RING domain of c-Cbl and is likely to be a general function of this domain; Various RING fingers exhibit binding activity towards E2 ubiquitin-conjugating enzymes (Ubc' s)


Pssm-ID: 214546 [Multi-domain]  Cd Length: 40  Bit Score: 39.80  E-value: 6.69e-05
                           10        20        30
                   ....*....|....*....|....*....|....*....
gi 2096737219  303 CPLCNKIRTNDTALATSGYVFCYRCAYSYVK-RHQRCPV 340
Cdd:smart00184   1 CPICLEEYLKDPVILPCGHTFCRSCIRKWLEsGNNTCPI 39
RING-HC_PEX10 cd16527
RING finger, HC subclass, found in peroxin-10 (PEX10) and similar proteins; PEX10, also known ...
303-353 4.53e-04

RING finger, HC subclass, found in peroxin-10 (PEX10) and similar proteins; PEX10, also known as peroxisome biogenesis factor 10, peroxisomal biogenesis factor 10, peroxisome assembly protein 10, or RING finger protein 69 (RNF69), is an integral peroxisomal membrane protein with two transmembrane regions and a C3HC4-type RING-HC finger within its cytoplasmically exposed C-terminus. It plays an essential role in peroxisome assembly, import of target substrates, and recycling or degradation of protein complexes and amino acids. It is an essential component of the spinal locomotor circuit, and thus its mutations may be involved in peroxisomal biogenesis disorders (PBD). Mutations in human PEX10 also result in autosomal recessive ataxia. Moreover, PEX10 functions as an E3-ubiquitin ligase with an E2, UBCH5C. It mono- or poly-ubiquitinates PEX5, a key player in peroxisomal matrix protein import, in a UBC4-dependent manner, to control PEX5 receptor recycling or degradation. It also links the E2 ubiquitin conjugating enzyme PEX4 to the protein import machinery of the peroxisome.


Pssm-ID: 438190 [Multi-domain]  Cd Length: 52  Bit Score: 37.59  E-value: 4.53e-04
                          10        20        30        40        50
                  ....*....|....*....|....*....|....*....|....*....|.
gi 2096737219 303 CPLCNKIRTNDTAlATSGYVFCYRCAYSYVKRHQRCPVTGYPSELQHLVKL 353
Cdd:cd16527     3 CSLCLEERRHPTA-TPCGHLFCWSCITEWCNEKPECPLCREPFQPQRLVPL 52
mRING-HC-C3HC3D_TRAF7 cd16644
Modified RING finger, HC subclass (C3HC3D-type), found in tumor necrosis factor (TNF) ...
297-340 6.93e-04

Modified RING finger, HC subclass (C3HC3D-type), found in tumor necrosis factor (TNF) receptor-associated factor 7 (TRAF7) and similar proteins; TRAF7, also known as RING finger and WD repeat-containing protein 1 or RING finger protein 119 (RNF119), is an E3 ubiquitin-protein ligase involved in signal transduction pathways that lead either to activation or repression of NF-kappaB transcription factor by promoting K29-linked ubiquitination of several cellular targets, including the NF-kappaB essential modulator (NEMO) and the p65 subunit of NF-kappaB transcription factor. It is also involved in K29-linked polyubiquitination that has been implicated in lysosomal degradation of proteins. Moreover, TRAF7 is required for K48-linked ubiquitination of p53, a key tumor suppressor and a master regulator of various signaling pathways, such as those related to apoptosis, cell cycle and DNA repair. It is also required for tumor necrosis factor alpha (TNFalpha)-induced Jun N-terminal kinase activation and promotes cell death by regulating polyubiquitination and lysosomal degradation of c-FLIP protein. Furthermore, TRAF7 functions as small ubiquitin-like modifier (SUMO) E3 ligase involved in other post-translational modification, such as sumoylation. It binds to and stimulates sumoylation of the proto-oncogene product c-Myb, a transcription factor regulating proliferation and differentiation of hematopoietic cells. It potentiates MEKK3-induced AP1 and CHOP activation and induces apoptosis. Meanwhile, TRAF7 mediates MyoD1 regulation of the pathway and cell-cycle progression in myoblasts. It also plays a role in Toll-like receptors (TLR) signaling. TRAF7 contains an N-terminal domain with a modified C3HC3D-type RING-HC finger and an adjacent zinc finger, and a unique C-terminal domain that comprises a coiled coil domain and seven WD40 repeats.


Pssm-ID: 438306 [Multi-domain]  Cd Length: 47  Bit Score: 36.95  E-value: 6.93e-04
                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....
gi 2096737219 297 PTLKTVCPLCNKIRTnDTALATSGYVFCYRCAYSYVkrHQRCPV 340
Cdd:cd16644     2 PSVKLYCPLCQRVFK-DPVITSCGHTFCRRCALTAP--GEKCPV 42
RING-HC_RNF20-like cd16704
RING finger, HC subclass, found in RING finger protein RNF20, RNF40, and similar proteins; ...
300-339 1.11e-03

RING finger, HC subclass, found in RING finger protein RNF20, RNF40, and similar proteins; RNF20, also known as BRE1A, and RNF40, also known as BRE1B, are E3 ubiquitin-protein ligases that work together to form a heterodimeric complex that facilitate the K120 monoubiquitination of histone H2B (H2Bub1), a DNA damage-induced histone modification that is crucial for recruitment of the chromatin remodeler SNF2h to DNA double-strand break (DSB) damage sites. RNF20 regulates the cell cycle and differentiation of neural precursor cells (NPCs) and links histone H2B ubiquitylation with inflammation and inflammation-associated cancer. RNF40, also known as 95 kDa retinoblastoma-associated protein (RBP95), was identified as a novel leucine zipper retinoblastoma protein (pRb)-associated protein that may function as a regulation factor in RNA polymerase II-mediated transcription and/or transcriptional processing. All subfamily members contain a C3HC4-type RING-HC finger at its C-terminus.


Pssm-ID: 438364 [Multi-domain]  Cd Length: 65  Bit Score: 37.04  E-value: 1.11e-03
                          10        20        30        40
                  ....*....|....*....|....*....|....*....|.
gi 2096737219 300 KTVCPLCNkIRTNDTALATSGYVFCYRCAYS-YVKRHQRCP 339
Cdd:cd16704    10 RLTCPCCN-TRKKDAVLTKCFHVFCFECLKTrYETRQRKCP 49
RING-HC cd16449
HC subclass of RING (RING-HC) finger and its variants; The RING finger is a specialized type ...
303-340 1.40e-03

HC subclass of RING (RING-HC) finger and its variants; The RING finger is a specialized type of Zn-finger of 40 to 60 residues that binds two atoms of zinc. It is defined by the "cross-brace" motif that chelates zinc atoms by eight amino acid residues, typically Cys or His, arranged in a characteristic spacing. Canonical RING motifs have been categorized into two major subclasses, RING-HC (C3HC4-type) and RING-H2 (C3H2C3-type), according to their Cys/His content. There are also many variants of RING fingers. Some have a different Cys/His pattern. Some lack a single Cys or His residue at typical Zn ligand positions, especially, the fourth or eighth zinc ligand is prevalently exchanged for an Asp, which can chelate Zn in a RING finger as well. This family corresponds to the HC subclass of RING (RING-HC) fingers that are characterized by containing C3HC4-type canonical RING-HC fingers or noncanonical RING-HC finger variants, including C4C4-, C3HC3D-, C2H2C4-, and C3HC5-type modified RING-HC fingers. The canonical RING-HC finger has been defined as C-X2-C-X(9-39)-C-X(1-3)-H-X(2-3)-C-X2-C-X(4-48)-C-X2-C. It binds two Zn ions in a unique "cross-brace" arrangement, which distinguishes it from tandem zinc fingers and other similar motifs. RING-HC fingers can be found in a group of diverse proteins with a variety of cellular functions, including oncogenesis, development, viral replication, signal transduction, the cell cycle, and apoptosis. Many of them are ubiquitin-protein ligases (E3s) that serve as scaffolds for binding to ubiquitin-conjugating enzymes (E2s, also referred to as ubiquitin carrier proteins or UBCs) in close proximity to substrate proteins, which enables efficient transfer of ubiquitin from E2 to the substrates.


Pssm-ID: 438113 [Multi-domain]  Cd Length: 41  Bit Score: 35.92  E-value: 1.40e-03
                          10        20        30
                  ....*....|....*....|....*....|....*....
gi 2096737219 303 CPLCNKIRtNDTALATSGYVFCYRCAYSYVK-RHQRCPV 340
Cdd:cd16449     3 CPICLERL-KDPVLLPCGHVFCRECIRRLLEsGSIKCPI 40
RING-Ubox_PPIL2 cd16663
U-box domain, a modified RING finger, found in peptidyl-prolyl cis-trans isomerase-like 2 ...
317-353 4.02e-03

U-box domain, a modified RING finger, found in peptidyl-prolyl cis-trans isomerase-like 2 (PPIL2) and similar proteins; PPIL2 (EC 5.2.1.8), also known as PPIase, CYC4, cyclophilin-60 (Cyp60), cyclophilin-like protein Cyp-60, or Rotamase PPIL2, is a nuclear-specific cyclophilin which interacts with the proteinase inhibitor eglin c and regulates gene expression. PPIL2 belongs to the cyclophilin family of peptidylprolyl isomerases and catalyzes cis-trans isomerization of proline-peptide bonds, which is often a rate-limiting step in protein folding. It positively regulates beta-site amyloid precursor protein cleaving enzyme (BACE1) expression and beta-secretase activity. Moreover, PPIL2 plays an important role in the translocation of CD147 to the cell surface, and thus may present a novel target for therapeutic interventions in diseases where CD147 functions as a pathogenic factor in cancer, human immunodeficiency virus infection, or rheumatoid arthritis. PPIL2 contains an N-terminal RING-like U-box domain and a C-terminal cyclophilin (Cyp)-like chaperone domain.


Pssm-ID: 438325  Cd Length: 73  Bit Score: 35.62  E-value: 4.02e-03
                          10        20        30
                  ....*....|....*....|....*....|....*..
gi 2096737219 317 ATSGYVFCYRCAYSYVKRHQRCPVTGYPSELQHLVKL 353
Cdd:cd16663    18 TPDGIVFDLLNIVPYLKKYGKNPVTGEPLEAKDLIKL 54
RING-HC_LNX3 cd16718
RING finger, HC subclass, found in ligand of numb protein X 3 (LNX3); LNX3, also known as PDZ ...
297-340 5.96e-03

RING finger, HC subclass, found in ligand of numb protein X 3 (LNX3); LNX3, also known as PDZ domain-containing RING finger protein 3 (PDZRN3), or Semaphorin cytoplasmic domain-associated protein 3 (SEMACAP3), is an E3 ubiquitin-protein ligase that was first identified as a Semaphorin-binding partner. It is also responsible for the ubiquitination and degradation of Numb, a component of the Notch signaling pathway that functions in the specification of cell fates during development and is known to control cell numbers during neurogenesis in vertebrates. LNX3 acts as a negative regulator of osteoblast differentiation by inhibiting Wnt-beta-catenin signaling. LNX3 also plays an important role in neuromuscular junction formation. It interacts with and ubiquitinates the muscle specific tyrosine kinase (MuSK), thus promoting its endocytosis and negatively regulating the cell surface expression of this key regulator of postsynaptic assembly. LNX3 contains an N-terminal C3HC4-type RING-HC finger, two PDZ domains, and a C-terminal LNX3 homology (LNX3H) domain.


Pssm-ID: 438378 [Multi-domain]  Cd Length: 47  Bit Score: 34.58  E-value: 5.96e-03
                          10        20        30        40
                  ....*....|....*....|....*....|....*....|....
gi 2096737219 297 PTLKtvCPLCNKIrTNDTALATSGYVFCYRCAYSYVKRHQRCPV 340
Cdd:cd16718     3 PDFK--CNLCNKV-LEDPLTTPCGHVFCAGCVLPWVVQQGSCPV 43
RING-Ubox cd16453
U-box domain, a modified RING finger; The U-box protein family is a family of E3 enzymes that ...
302-344 8.73e-03

U-box domain, a modified RING finger; The U-box protein family is a family of E3 enzymes that also includes the HECT family and the RING finger family. The E3 enzyme is ubiquitin-protein ligase that cooperates with a ubiquitin-activating enzyme (E1) and a ubiquitin-conjugating enzyme (E2), and plays a central role in determining the specificity of the ubiquitination system. It removes the ubiquitin molecule from the E2 enzyme and attaches it to the target substrate, forming a covalent bond between ubiquitin and the target. U-box proteins are characterized by the presence of a U-box domain of approximately 70 amino acids. The U-box is a modified form of the RING finger domain that lacks metal chelating cysteines and histidines. It resembles the cross-brace RING structure consisting of three beta-sheets and a single alpha-helix, which would be stabilized by salt bridges instead of chelated metal ions. U-box proteins are widely distributed among eukaryotic organisms and show a higher prevalence in plants than in other organisms.


Pssm-ID: 438117 [Multi-domain]  Cd Length: 44  Bit Score: 33.68  E-value: 8.73e-03
                          10        20        30        40
                  ....*....|....*....|....*....|....*....|...
gi 2096737219 302 VCPLCNKIrTNDTALATSGYVFCYRCAYSYVKRHQRCPVTGYP 344
Cdd:cd16453     2 LCPISGEL-MKDPVITPSGITYDRSAIERWLLSDNTDPFTREP 43
 
Blast search parameters
Data Source: Precalculated data, version = cdd.v.3.21
Preset Options:Database: CDSEARCH/cdd   Low complexity filter: no  Composition Based Adjustment: yes   E-value threshold: 0.01

References:

  • Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
  • Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
  • Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
Help | Disclaimer | Write to the Help Desk
NCBI | NLM | NIH