RecName: Full=Gag-Pro-Pol polyprotein; Contains: RecName: Full=Matrix protein p15; Short=MA; Contains: RecName: Full=Capsid protein p24; Short=CA; Contains: RecName: Full=Nucleocapsid protein p12-pro; Contains: RecName: Full=Protease; Contains: RecName: Full=Reverse transcriptase/ribonuclease H; Short=RT; Contains: RecName: Full=Integrase; Short=IN
List of domain hits
Name | Accession | Description | Interval | E-value | ||||
ps-ssRNAv_RdRp-like super family | cl40470 | conserved catalytic core domain of RNA-dependent RNA polymerase (RdRp) from the positive-sense ... |
570-773 | 2.06e-59 | ||||
conserved catalytic core domain of RNA-dependent RNA polymerase (RdRp) from the positive-sense single-stranded RNA [(+)ssRNA] viruses and closely related viruses; This family contains the catalytic core domain of RdRp of RNA viruses which belong to Group IV of the Baltimore classification system, and are a group of related viruses that have positive-sense (+), single-stranded (ss) genomes made of ribonucleic acid (RNA). RdRp (also known as RNA replicase) catalyzes the replication of RNA from an RNA template; specifically, it catalyzes the synthesis of the RNA strand complementary to a given RNA template. The Baltimore Classification is divided into 7 classes, 3 of which include RNA viruses: Group IV (+) RNA viruses, Group III double-stranded (ds) RNA viruses, and Group V negative-sense (-) RNA viruses. Baltimore groups of viruses differ with respect to the nature of their genome (i.e., the nucleic acid form that is packaged into virions) and correspond to distinct strategies of genome replication and expression. (+) viral RNA is similar to mRNA and thus can be immediately translated by the host cell. (+)ssRNA viruses can also produce (+) copies of the genome from (-) strands of an intermediate dsRNA genome. This acts as both a transcription and a replication process since the replicated RNA is also mRNA. RdRps belong to the expansive class of polymerases containing so-called palm catalytic domains along with the accessory fingers and thumb domains. All RdRps also have six conserved structural motifs (A-F), located in its majority in the palm subdomain (A-E motifs) and the F motif is located on the finger subdomain. All these motifs have been shown to be implicated in RdRp fidelity such as processes of correct incorporation and reorganization of nucleotides. In addition to Group IV viruses, this model also includes Picobirnaviruses (PBVs), members of the family Picobirnaviridae of dsRNA viruses (Baltimore classification Group III), which are bi-segmented dsRNA viruses. The phylogenetic tree of the RdRps of RNA viruses (realm Riboviria) showed that picobirnaviruses are embedded in the branch of diverse (+)RNA viruses; sometimes they are collectively referred to as the picornavirus supergroup. RdRps of members of the family Permutatetraviridae, a distinct group of RNA viruses that encompass a circular permutation within the RdRp palm domain, are not included in this model. The actual alignment was detected with superfamily member cd01645: Pssm-ID: 477363 [Multi-domain] Cd Length: 213 Bit Score: 203.28 E-value: 2.06e-59
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rve | pfam00665 | Integrase core domain; Integrase mediates integration of a DNA copy of the viral genome into ... |
1183-1276 | 3.10e-22 | ||||
Integrase core domain; Integrase mediates integration of a DNA copy of the viral genome into the host chromosome. Integrase is composed of three domains. The amino-terminal domain is a zinc binding domain pfam02022. This domain is the central catalytic domain. The carboxyl terminal domain that is a non-specific DNA binding domain pfam00552. The catalytic domain acts as an endonuclease when two nucleotides are removed from the 3' ends of the blunt-ended viral DNA made by reverse transcription. This domain also catalyzes the DNA strand transfer reaction of the 3' ends of the viral DNA to the 5' ends of the integration site. : Pssm-ID: 459897 [Multi-domain] Cd Length: 98 Bit Score: 92.38 E-value: 3.10e-22
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Gag_p24_C super family | cl44748 | Gag protein p24 C-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA ... |
241-297 | 1.52e-16 | ||||
Gag protein p24 C-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA tests for p24 is the most commonly used method to demonstrate virus replication both in vivo and in vitro. The actual alignment was detected with superfamily member pfam19317: Pssm-ID: 466038 Cd Length: 74 Bit Score: 75.59 E-value: 1.52e-16
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RNase_H_like super family | cl14782 | Ribonuclease H-like superfamily, including RNase H, HI, HII, HIII, and RNase-like domain IV of ... |
1002-1119 | 6.87e-10 | ||||
Ribonuclease H-like superfamily, including RNase H, HI, HII, HIII, and RNase-like domain IV of spliceosomal protein Prp8; Ribonuclease H (RNase H) enzymes are divided into two major families, Type 1 and Type 2, based on amino acid sequence similarities and biochemical properties. RNase H is an endonuclease that cleaves the RNA strand of an RNA/DNA hybrid in a sequence non-specific manner in the presence of divalent cations. It is widely present in various organisms, including bacteria, archaea, and eukaryotes. Most prokaryotic and eukaryotic genomes contain multiple RNase H genes. Despite the lack of amino acid sequence homology, type 1 and type 2 RNase H share a main-chain fold and steric configurations of the four acidic active-site residues and have the same catalytic mechanism and functions in cells. RNase H is involved in DNA replication, repair and transcription. An important RNase H function is to remove Okazaki fragments during DNA replication. RNase H inhibitors have been explored as anti-HIV drug targets since RNase H inactivation inhibits reverse transcription. This model also includes the Prp8 domain IV, which adopts the RNase fold but shows low sequence homology; domain IV is implicated in key spliceosomal interactions. The actual alignment was detected with superfamily member cd09273: Pssm-ID: 449355 [Multi-domain] Cd Length: 131 Bit Score: 58.50 E-value: 6.87e-10
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IN_DBD_C super family | cl02895 | Integrase DNA binding domain; Integrase mediates integration of a DNA copy of the viral genome ... |
1356-1398 | 3.74e-06 | ||||
Integrase DNA binding domain; Integrase mediates integration of a DNA copy of the viral genome into the host chromosome. Integrase is composed of three domains. The amino-terminal domain is a zinc binding domain. The central domain is the catalytic domain pfam00665. This domain is the carboxyl terminal domain that is a non-specific DNA binding domain. The actual alignment was detected with superfamily member pfam00552: Pssm-ID: 425747 Cd Length: 45 Bit Score: 45.08 E-value: 3.74e-06
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PTZ00368 super family | cl31762 | universal minicircle sequence binding protein (UMSBP); Provisional |
347-387 | 3.00e-05 | ||||
universal minicircle sequence binding protein (UMSBP); Provisional The actual alignment was detected with superfamily member PTZ00368: Pssm-ID: 173561 [Multi-domain] Cd Length: 148 Bit Score: 45.57 E-value: 3.00e-05
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pepsin_retropepsin_like super family | cl11403 | Cellular and retroviral pepsin-like aspartate proteases; This family includes both cellular ... |
450-533 | 5.45e-05 | ||||
Cellular and retroviral pepsin-like aspartate proteases; This family includes both cellular and retroviral pepsin-like aspartate proteases. The cellular pepsin and pepsin-like enzymes are twice as long as their retroviral counterparts. The cellular pepsin-like aspartic proteases are found in mammals, plants, fungi and bacteria. These well known and extensively characterized enzymes include pepsins, chymosin, rennin, cathepsins, and fungal aspartic proteases. Several have long been known to be medically (rennin, cathepsin D and E, pepsin) or commercially (chymosin) important. The eukaryotic pepsin-like proteases contain two domains possessing similar topological features. The N- and C-terminal domains, although structurally related by a 2-fold axis, have only limited sequence homology except in the vicinity of the active site. This suggests that the enzymes evolved by an ancient duplication event. The eukaryotic pepsin-like proteases have two active site ASP residues with each N- and C-terminal lobe contributing one residue. While the fungal and mammalian pepsins are bilobal proteins, retropepsins function as dimers and the monomer resembles structure of the N- or C-terminal domains of eukaryotic enzyme. The active site motif (Asp-Thr/Ser-Gly-Ser) is conserved between the retroviral and eukaryotic proteases and between the N-and C-terminal of eukaryotic pepsin-like proteases. The retropepsin-like family includes pepsin-like aspartate proteases from retroviruses, retrotransposons and retroelements; as well as eukaryotic DNA-damage-inducible proteins (DDIs), and bacterial aspartate peptidases. Retropepsin is synthesized as part of the POL polyprotein that contains an aspartyl-protease, a reverse transcriptase, RNase H, and an integrase. The POL polyprotein undergoes specific enzymatic cleavage to yield the mature proteins. This family of aspartate proteases is classified by MEROPS as the peptidase family A1 (pepsin A) and A2 (retropepsin family). The actual alignment was detected with superfamily member pfam00077: Pssm-ID: 472175 Cd Length: 101 Bit Score: 43.51 E-value: 5.45e-05
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Gag_p19 super family | cl03491 | Major core protein p19; p19 is a component of the inner protein layer of the viral ... |
4-44 | 5.64e-05 | ||||
Major core protein p19; p19 is a component of the inner protein layer of the viral nucleocapsid. The actual alignment was detected with superfamily member pfam02228: Pssm-ID: 460500 Cd Length: 92 Bit Score: 43.41 E-value: 5.64e-05
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Gag_p24 super family | cl02908 | gag protein p24 N-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA ... |
119-233 | 4.08e-04 | ||||
gag protein p24 N-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA tests for p24 is the most commonly used method to demonstrate virus replication both in vivo and in vitro. The actual alignment was detected with superfamily member pfam00607: Pssm-ID: 459864 Cd Length: 128 Bit Score: 41.88 E-value: 4.08e-04
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Name | Accession | Description | Interval | E-value | ||||
RT_Rtv | cd01645 | RT_Rtv: Reverse transcriptases (RTs) from retroviruses (Rtvs). RTs catalyze the conversion of ... |
570-773 | 2.06e-59 | ||||
RT_Rtv: Reverse transcriptases (RTs) from retroviruses (Rtvs). RTs catalyze the conversion of single-stranded RNA into double-stranded viral DNA for integration into host chromosomes. Proteins in this subfamily contain long terminal repeats (LTRs) and are multifunctional enzymes with RNA-directed DNA polymerase, DNA directed DNA polymerase, and ribonuclease hybrid (RNase H) activities. The viral RNA genome enters the cytoplasm as part of a nucleoprotein complex, and the process of reverse transcription generates in the cytoplasm forming a linear DNA duplex via an intricate series of steps. This duplex DNA is colinear with its RNA template, but contains terminal duplications known as LTRs that are not present in viral RNA. It has been proposed that two specialized template switches, known as strand-transfer reactions or "jumps", are required to generate the LTRs. Pssm-ID: 238823 [Multi-domain] Cd Length: 213 Bit Score: 203.28 E-value: 2.06e-59
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RVT_1 | pfam00078 | Reverse transcriptase (RNA-dependent DNA polymerase); A reverse transcriptase gene is usually ... |
605-776 | 1.99e-41 | ||||
Reverse transcriptase (RNA-dependent DNA polymerase); A reverse transcriptase gene is usually indicative of a mobile element such as a retrotransposon or retrovirus. Reverse transcriptases occur in a variety of mobile elements, including retrotransposons, retroviruses, group II introns, bacterial msDNAs, hepadnaviruses, and caulimoviruses. Pssm-ID: 395031 [Multi-domain] Cd Length: 189 Bit Score: 150.92 E-value: 1.99e-41
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rve | pfam00665 | Integrase core domain; Integrase mediates integration of a DNA copy of the viral genome into ... |
1183-1276 | 3.10e-22 | ||||
Integrase core domain; Integrase mediates integration of a DNA copy of the viral genome into the host chromosome. Integrase is composed of three domains. The amino-terminal domain is a zinc binding domain pfam02022. This domain is the central catalytic domain. The carboxyl terminal domain that is a non-specific DNA binding domain pfam00552. The catalytic domain acts as an endonuclease when two nucleotides are removed from the 3' ends of the blunt-ended viral DNA made by reverse transcription. This domain also catalyzes the DNA strand transfer reaction of the 3' ends of the viral DNA to the 5' ends of the integration site. Pssm-ID: 459897 [Multi-domain] Cd Length: 98 Bit Score: 92.38 E-value: 3.10e-22
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Tra5 | COG2801 | Transposase InsO and inactivated derivatives [Mobilome: prophages, transposons]; |
1182-1290 | 3.53e-18 | ||||
Transposase InsO and inactivated derivatives [Mobilome: prophages, transposons]; Pssm-ID: 442053 [Multi-domain] Cd Length: 309 Bit Score: 87.13 E-value: 3.53e-18
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transpos_IS3 | NF033516 | IS3 family transposase; |
1182-1290 | 1.30e-16 | ||||
IS3 family transposase; Pssm-ID: 468052 [Multi-domain] Cd Length: 369 Bit Score: 83.38 E-value: 1.30e-16
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Gag_p24_C | pfam19317 | Gag protein p24 C-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA ... |
241-297 | 1.52e-16 | ||||
Gag protein p24 C-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA tests for p24 is the most commonly used method to demonstrate virus replication both in vivo and in vitro. Pssm-ID: 466038 Cd Length: 74 Bit Score: 75.59 E-value: 1.52e-16
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RNase_HI_RT_Bel | cd09273 | Bel/Pao family of RNase HI in long-term repeat retroelements; Ribonuclease H (RNase H) enzymes ... |
1002-1119 | 6.87e-10 | ||||
Bel/Pao family of RNase HI in long-term repeat retroelements; Ribonuclease H (RNase H) enzymes are divided into two major families, Type 1 and Type 2, based on amino acid sequence similarities and biochemical properties. RNase H is an endonuclease that cleaves the RNA strand of an RNA/DNA hybrid in a sequence non-specific manner in the presence of divalent cations. RNase H is widely present in various organisms, including bacteria, archaea and eukaryote. RNase HI has also been observed as adjunct domains to the reverse transcriptase gene in retroviruses, in long-term repeat (LTR)-bearing retrotransposons and non-LTR retrotransposons. RNase HI in LTR retrotransposons perform degradation of the original RNA template, generation of a polypurine tract (the primer for plus-strand DNA synthesis), and final removal of RNA primers from newly synthesized minus and plus strands. The catalytic residues for RNase H enzymatic activity, three aspartatic acids and one glutamic acid residue (DEDD), are unvaried across all RNase H domains. Phylogenetic patterns of RNase HI of LTR retroelements is classified into five major families, Ty3/Gypsy, Ty1/Copia, Bel/Pao, DIRS1 and the vertebrate retroviruses. Bel/Pao family has been described only in metazoan genomes. RNase H inhibitors have been explored as an anti-HIV drug target because RNase H inactivation inhibits reverse transcription. Pssm-ID: 260005 [Multi-domain] Cd Length: 131 Bit Score: 58.50 E-value: 6.87e-10
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IN_DBD_C | pfam00552 | Integrase DNA binding domain; Integrase mediates integration of a DNA copy of the viral genome ... |
1356-1398 | 3.74e-06 | ||||
Integrase DNA binding domain; Integrase mediates integration of a DNA copy of the viral genome into the host chromosome. Integrase is composed of three domains. The amino-terminal domain is a zinc binding domain. The central domain is the catalytic domain pfam00665. This domain is the carboxyl terminal domain that is a non-specific DNA binding domain. Pssm-ID: 425747 Cd Length: 45 Bit Score: 45.08 E-value: 3.74e-06
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PTZ00368 | PTZ00368 | universal minicircle sequence binding protein (UMSBP); Provisional |
347-387 | 3.00e-05 | ||||
universal minicircle sequence binding protein (UMSBP); Provisional Pssm-ID: 173561 [Multi-domain] Cd Length: 148 Bit Score: 45.57 E-value: 3.00e-05
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ZnF_C2HC | smart00343 | zinc finger; |
347-361 | 3.99e-05 | ||||
zinc finger; Pssm-ID: 197667 [Multi-domain] Cd Length: 17 Bit Score: 41.66 E-value: 3.99e-05
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RVP | pfam00077 | Retroviral aspartyl protease; Single domain aspartyl proteases from retroviruses, ... |
450-533 | 5.45e-05 | ||||
Retroviral aspartyl protease; Single domain aspartyl proteases from retroviruses, retrotransposons, and badnaviruses (plant dsDNA viruses). These proteases are generally part of a larger polyprotein; usually pol, more rarely gag. Retroviral proteases appear to be homologous to a single domain of the two-domain eukaryotic aspartyl proteases such as pepsins, cathepsins, and renins (pfam00026). Pssm-ID: 425454 Cd Length: 101 Bit Score: 43.51 E-value: 5.45e-05
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Gag_p19 | pfam02228 | Major core protein p19; p19 is a component of the inner protein layer of the viral ... |
4-44 | 5.64e-05 | ||||
Major core protein p19; p19 is a component of the inner protein layer of the viral nucleocapsid. Pssm-ID: 460500 Cd Length: 92 Bit Score: 43.41 E-value: 5.64e-05
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PHA02517 | PHA02517 | putative transposase OrfB; Reviewed |
1183-1290 | 3.56e-04 | ||||
putative transposase OrfB; Reviewed Pssm-ID: 222853 [Multi-domain] Cd Length: 277 Bit Score: 44.09 E-value: 3.56e-04
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Gag_p24 | pfam00607 | gag protein p24 N-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA ... |
119-233 | 4.08e-04 | ||||
gag protein p24 N-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA tests for p24 is the most commonly used method to demonstrate virus replication both in vivo and in vitro. Pssm-ID: 459864 Cd Length: 128 Bit Score: 41.88 E-value: 4.08e-04
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transpos_IS21 | NF033546 | IS21 family transposase; |
1203-1290 | 5.57e-04 | ||||
IS21 family transposase; Pssm-ID: 468077 [Multi-domain] Cd Length: 296 Bit Score: 43.74 E-value: 5.57e-04
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zf-CCHC | pfam00098 | Zinc knuckle; The zinc knuckle is a zinc binding motif composed of the the following ... |
347-361 | 8.34e-04 | ||||
Zinc knuckle; The zinc knuckle is a zinc binding motif composed of the the following CX2CX4HX4C where X can be any amino acid. The motifs are mostly from retroviral gag proteins (nucleocapsid). Prototype structure is from HIV. Also contains members involved in eukaryotic gene regulation, such as C. elegans GLH-1. Structure is an 18-residue zinc finger. Pssm-ID: 395050 [Multi-domain] Cd Length: 18 Bit Score: 37.89 E-value: 8.34e-04
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RNase_H | pfam00075 | RNase H; RNase H digests the RNA strand of an RNA/DNA hybrid. Important enzyme in retroviral ... |
997-1104 | 3.71e-03 | ||||
RNase H; RNase H digests the RNA strand of an RNA/DNA hybrid. Important enzyme in retroviral replication cycle, and often found as a domain associated with reverse transcriptases. Structure is a mixed alpha+beta fold with three a/b/a layers. Pssm-ID: 395028 [Multi-domain] Cd Length: 141 Bit Score: 39.28 E-value: 3.71e-03
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Name | Accession | Description | Interval | E-value | ||||
RT_Rtv | cd01645 | RT_Rtv: Reverse transcriptases (RTs) from retroviruses (Rtvs). RTs catalyze the conversion of ... |
570-773 | 2.06e-59 | ||||
RT_Rtv: Reverse transcriptases (RTs) from retroviruses (Rtvs). RTs catalyze the conversion of single-stranded RNA into double-stranded viral DNA for integration into host chromosomes. Proteins in this subfamily contain long terminal repeats (LTRs) and are multifunctional enzymes with RNA-directed DNA polymerase, DNA directed DNA polymerase, and ribonuclease hybrid (RNase H) activities. The viral RNA genome enters the cytoplasm as part of a nucleoprotein complex, and the process of reverse transcription generates in the cytoplasm forming a linear DNA duplex via an intricate series of steps. This duplex DNA is colinear with its RNA template, but contains terminal duplications known as LTRs that are not present in viral RNA. It has been proposed that two specialized template switches, known as strand-transfer reactions or "jumps", are required to generate the LTRs. Pssm-ID: 238823 [Multi-domain] Cd Length: 213 Bit Score: 203.28 E-value: 2.06e-59
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RVT_1 | pfam00078 | Reverse transcriptase (RNA-dependent DNA polymerase); A reverse transcriptase gene is usually ... |
605-776 | 1.99e-41 | ||||
Reverse transcriptase (RNA-dependent DNA polymerase); A reverse transcriptase gene is usually indicative of a mobile element such as a retrotransposon or retrovirus. Reverse transcriptases occur in a variety of mobile elements, including retrotransposons, retroviruses, group II introns, bacterial msDNAs, hepadnaviruses, and caulimoviruses. Pssm-ID: 395031 [Multi-domain] Cd Length: 189 Bit Score: 150.92 E-value: 1.99e-41
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RT_ZFREV_like | cd03715 | RT_ZFREV_like: A subfamily of reverse transcriptases (RTs) found in sequences similar to the ... |
570-773 | 2.87e-39 | ||||
RT_ZFREV_like: A subfamily of reverse transcriptases (RTs) found in sequences similar to the intact endogenous retrovirus ZFERV from zebrafish and to Moloney murine leukemia virus RT. An RT gene is usually indicative of a mobile element such as a retrotransposon or retrovirus. RTs occur in a variety of mobile elements, including retrotransposons, retroviruses, group II introns, bacterial msDNAs, hepadnaviruses, and caulimoviruses. These elements can be divided into two major groups. One group contains retroviruses and DNA viruses whose propagation involves an RNA intermediate. They are grouped together with transposable elements containing long terminal repeats (LTRs). The other group, also called poly(A)-type retrotransposons, contain fungal mitochondrial introns and transposable elements that lack LTRs. Phylogenetic analysis suggests that ZFERV belongs to a distinct group of retroviruses. Pssm-ID: 239685 [Multi-domain] Cd Length: 210 Bit Score: 145.57 E-value: 2.87e-39
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RT_LTR | cd01647 | RT_LTR: Reverse transcriptases (RTs) from retrotransposons and retroviruses which have long ... |
589-776 | 1.02e-31 | ||||
RT_LTR: Reverse transcriptases (RTs) from retrotransposons and retroviruses which have long terminal repeats (LTRs) in their DNA copies but not in their RNA template. RT catalyzes DNA replication from an RNA template, and is responsible for the replication of retroelements. An RT gene is usually indicative of a mobile element such as a retrotransposon or retrovirus. RTs are present in a variety of mobile elements, including retrotransposons, retroviruses, group II introns, bacterial msDNAs, hepadnaviruses, and Caulimoviruses. Pssm-ID: 238825 Cd Length: 177 Bit Score: 122.70 E-value: 1.02e-31
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rve | pfam00665 | Integrase core domain; Integrase mediates integration of a DNA copy of the viral genome into ... |
1183-1276 | 3.10e-22 | ||||
Integrase core domain; Integrase mediates integration of a DNA copy of the viral genome into the host chromosome. Integrase is composed of three domains. The amino-terminal domain is a zinc binding domain pfam02022. This domain is the central catalytic domain. The carboxyl terminal domain that is a non-specific DNA binding domain pfam00552. The catalytic domain acts as an endonuclease when two nucleotides are removed from the 3' ends of the blunt-ended viral DNA made by reverse transcription. This domain also catalyzes the DNA strand transfer reaction of the 3' ends of the viral DNA to the 5' ends of the integration site. Pssm-ID: 459897 [Multi-domain] Cd Length: 98 Bit Score: 92.38 E-value: 3.10e-22
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Tra5 | COG2801 | Transposase InsO and inactivated derivatives [Mobilome: prophages, transposons]; |
1182-1290 | 3.53e-18 | ||||
Transposase InsO and inactivated derivatives [Mobilome: prophages, transposons]; Pssm-ID: 442053 [Multi-domain] Cd Length: 309 Bit Score: 87.13 E-value: 3.53e-18
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transpos_IS3 | NF033516 | IS3 family transposase; |
1182-1290 | 1.30e-16 | ||||
IS3 family transposase; Pssm-ID: 468052 [Multi-domain] Cd Length: 369 Bit Score: 83.38 E-value: 1.30e-16
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Gag_p24_C | pfam19317 | Gag protein p24 C-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA ... |
241-297 | 1.52e-16 | ||||
Gag protein p24 C-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA tests for p24 is the most commonly used method to demonstrate virus replication both in vivo and in vitro. Pssm-ID: 466038 Cd Length: 74 Bit Score: 75.59 E-value: 1.52e-16
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RT_DIRS1 | cd03714 | RT_DIRS1: Reverse transcriptases (RTs) occurring in the DIRS1 group of retransposons. Members ... |
651-773 | 3.77e-14 | ||||
RT_DIRS1: Reverse transcriptases (RTs) occurring in the DIRS1 group of retransposons. Members of the subfamily include the Dictyostelium DIRS-1, Volvox carteri kangaroo, and Panagrellus redivivus PAT elements. These elements differ from LTR and conventional non-LTR retrotransposons. They contain split direct repeat (SDR) termini, and have been proposed to integrate via double-stranded closed-circle DNA intermediates assisted by an encoded recombinase which is similar to gamma-site-specific integrase. Pssm-ID: 239684 [Multi-domain] Cd Length: 119 Bit Score: 70.07 E-value: 3.77e-14
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RNase_HI_RT_Bel | cd09273 | Bel/Pao family of RNase HI in long-term repeat retroelements; Ribonuclease H (RNase H) enzymes ... |
1002-1119 | 6.87e-10 | ||||
Bel/Pao family of RNase HI in long-term repeat retroelements; Ribonuclease H (RNase H) enzymes are divided into two major families, Type 1 and Type 2, based on amino acid sequence similarities and biochemical properties. RNase H is an endonuclease that cleaves the RNA strand of an RNA/DNA hybrid in a sequence non-specific manner in the presence of divalent cations. RNase H is widely present in various organisms, including bacteria, archaea and eukaryote. RNase HI has also been observed as adjunct domains to the reverse transcriptase gene in retroviruses, in long-term repeat (LTR)-bearing retrotransposons and non-LTR retrotransposons. RNase HI in LTR retrotransposons perform degradation of the original RNA template, generation of a polypurine tract (the primer for plus-strand DNA synthesis), and final removal of RNA primers from newly synthesized minus and plus strands. The catalytic residues for RNase H enzymatic activity, three aspartatic acids and one glutamic acid residue (DEDD), are unvaried across all RNase H domains. Phylogenetic patterns of RNase HI of LTR retroelements is classified into five major families, Ty3/Gypsy, Ty1/Copia, Bel/Pao, DIRS1 and the vertebrate retroviruses. Bel/Pao family has been described only in metazoan genomes. RNase H inhibitors have been explored as an anti-HIV drug target because RNase H inactivation inhibits reverse transcription. Pssm-ID: 260005 [Multi-domain] Cd Length: 131 Bit Score: 58.50 E-value: 6.87e-10
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RT_like | cd00304 | RT_like: Reverse transcriptase (RT, RNA-dependent DNA polymerase)_like family. An RT gene is ... |
651-773 | 6.34e-08 | ||||
RT_like: Reverse transcriptase (RT, RNA-dependent DNA polymerase)_like family. An RT gene is usually indicative of a mobile element such as a retrotransposon or retrovirus. RTs occur in a variety of mobile elements, including retrotransposons, retroviruses, group II introns, bacterial msDNAs, hepadnaviruses, and caulimoviruses. These elements can be divided into two major groups. One group contains retroviruses and DNA viruses whose propagation involves an RNA intermediate. They are grouped together with transposable elements containing long terminal repeats (LTRs). The other group, also called poly(A)-type retrotransposons, contain fungal mitochondrial introns and transposable elements that lack LTRs. Pssm-ID: 238185 [Multi-domain] Cd Length: 98 Bit Score: 51.97 E-value: 6.34e-08
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IN_DBD_C | pfam00552 | Integrase DNA binding domain; Integrase mediates integration of a DNA copy of the viral genome ... |
1356-1398 | 3.74e-06 | ||||
Integrase DNA binding domain; Integrase mediates integration of a DNA copy of the viral genome into the host chromosome. Integrase is composed of three domains. The amino-terminal domain is a zinc binding domain. The central domain is the catalytic domain pfam00665. This domain is the carboxyl terminal domain that is a non-specific DNA binding domain. Pssm-ID: 425747 Cd Length: 45 Bit Score: 45.08 E-value: 3.74e-06
|
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PTZ00368 | PTZ00368 | universal minicircle sequence binding protein (UMSBP); Provisional |
347-387 | 3.00e-05 | ||||
universal minicircle sequence binding protein (UMSBP); Provisional Pssm-ID: 173561 [Multi-domain] Cd Length: 148 Bit Score: 45.57 E-value: 3.00e-05
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ZnF_C2HC | smart00343 | zinc finger; |
347-361 | 3.99e-05 | ||||
zinc finger; Pssm-ID: 197667 [Multi-domain] Cd Length: 17 Bit Score: 41.66 E-value: 3.99e-05
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RVP | pfam00077 | Retroviral aspartyl protease; Single domain aspartyl proteases from retroviruses, ... |
450-533 | 5.45e-05 | ||||
Retroviral aspartyl protease; Single domain aspartyl proteases from retroviruses, retrotransposons, and badnaviruses (plant dsDNA viruses). These proteases are generally part of a larger polyprotein; usually pol, more rarely gag. Retroviral proteases appear to be homologous to a single domain of the two-domain eukaryotic aspartyl proteases such as pepsins, cathepsins, and renins (pfam00026). Pssm-ID: 425454 Cd Length: 101 Bit Score: 43.51 E-value: 5.45e-05
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Gag_p19 | pfam02228 | Major core protein p19; p19 is a component of the inner protein layer of the viral ... |
4-44 | 5.64e-05 | ||||
Major core protein p19; p19 is a component of the inner protein layer of the viral nucleocapsid. Pssm-ID: 460500 Cd Length: 92 Bit Score: 43.41 E-value: 5.64e-05
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RT_pepA17 | cd01644 | RT_pepA17: Reverse transcriptase (RTs) in retrotransposons. This subfamily represents the RT ... |
630-755 | 6.41e-05 | ||||
RT_pepA17: Reverse transcriptase (RTs) in retrotransposons. This subfamily represents the RT domain of a multifunctional enzyme. C-terminal to the RT domain is a domain homologous to aspartic proteinases (corresponding to Merops family A17) encoded by retrotransposons and retroviruses. RT catalyzes DNA replication from an RNA template and is responsible for the replication of retroelements. Pssm-ID: 238822 Cd Length: 213 Bit Score: 45.76 E-value: 6.41e-05
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PHA02517 | PHA02517 | putative transposase OrfB; Reviewed |
1183-1290 | 3.56e-04 | ||||
putative transposase OrfB; Reviewed Pssm-ID: 222853 [Multi-domain] Cd Length: 277 Bit Score: 44.09 E-value: 3.56e-04
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Gag_p24 | pfam00607 | gag protein p24 N-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA ... |
119-233 | 4.08e-04 | ||||
gag protein p24 N-terminal domain; p24 forms inner protein layer of the nucleocapsid. ELISA tests for p24 is the most commonly used method to demonstrate virus replication both in vivo and in vitro. Pssm-ID: 459864 Cd Length: 128 Bit Score: 41.88 E-value: 4.08e-04
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transpos_IS21 | NF033546 | IS21 family transposase; |
1203-1290 | 5.57e-04 | ||||
IS21 family transposase; Pssm-ID: 468077 [Multi-domain] Cd Length: 296 Bit Score: 43.74 E-value: 5.57e-04
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zf-CCHC | pfam00098 | Zinc knuckle; The zinc knuckle is a zinc binding motif composed of the the following ... |
347-361 | 8.34e-04 | ||||
Zinc knuckle; The zinc knuckle is a zinc binding motif composed of the the following CX2CX4HX4C where X can be any amino acid. The motifs are mostly from retroviral gag proteins (nucleocapsid). Prototype structure is from HIV. Also contains members involved in eukaryotic gene regulation, such as C. elegans GLH-1. Structure is an 18-residue zinc finger. Pssm-ID: 395050 [Multi-domain] Cd Length: 18 Bit Score: 37.89 E-value: 8.34e-04
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Tra8 | COG2826 | Transposase and inactivated derivatives, IS30 family [Mobilome: prophages, transposons]; |
1187-1289 | 1.11e-03 | ||||
Transposase and inactivated derivatives, IS30 family [Mobilome: prophages, transposons]; Pssm-ID: 442074 [Multi-domain] Cd Length: 325 Bit Score: 42.95 E-value: 1.11e-03
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RT_Bac_retron_II | cd03487 | RT_Bac_retron_II: Reverse transcriptases (RTs) in bacterial retrotransposons or retrons. The ... |
648-763 | 1.19e-03 | ||||
RT_Bac_retron_II: Reverse transcriptases (RTs) in bacterial retrotransposons or retrons. The polymerase reaction of this enzyme leads to the production of a unique RNA-DNA complex called msDNA (multicopy single-stranded (ss)DNA) in which a small ssDNA branches out from a small ssRNA molecule via a 2'-5'phosphodiester linkage. Bacterial retron RTs produce cDNA corresponding to only a small portion of the retron genome. Pssm-ID: 239569 [Multi-domain] Cd Length: 214 Bit Score: 41.79 E-value: 1.19e-03
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RT_G2_intron | cd01651 | RT_G2_intron: Reverse transcriptases (RTs) with group II intron origin. RT transcribes DNA ... |
692-773 | 1.93e-03 | ||||
RT_G2_intron: Reverse transcriptases (RTs) with group II intron origin. RT transcribes DNA using RNA as template. Proteins in this subfamily are found in bacterial and mitochondrial group II introns. Their most probable ancestor was a retrotransposable element with both gag-like and pol-like genes. This subfamily of proteins appears to have captured the RT sequences from transposable elements, which lack long terminal repeats (LTRs). Pssm-ID: 238828 [Multi-domain] Cd Length: 226 Bit Score: 41.42 E-value: 1.93e-03
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PTZ00368 | PTZ00368 | universal minicircle sequence binding protein (UMSBP); Provisional |
347-386 | 2.69e-03 | ||||
universal minicircle sequence binding protein (UMSBP); Provisional Pssm-ID: 173561 [Multi-domain] Cd Length: 148 Bit Score: 39.79 E-value: 2.69e-03
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PTZ00368 | PTZ00368 | universal minicircle sequence binding protein (UMSBP); Provisional |
347-386 | 3.04e-03 | ||||
universal minicircle sequence binding protein (UMSBP); Provisional Pssm-ID: 173561 [Multi-domain] Cd Length: 148 Bit Score: 39.79 E-value: 3.04e-03
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RNase_H | pfam00075 | RNase H; RNase H digests the RNA strand of an RNA/DNA hybrid. Important enzyme in retroviral ... |
997-1104 | 3.71e-03 | ||||
RNase H; RNase H digests the RNA strand of an RNA/DNA hybrid. Important enzyme in retroviral replication cycle, and often found as a domain associated with reverse transcriptases. Structure is a mixed alpha+beta fold with three a/b/a layers. Pssm-ID: 395028 [Multi-domain] Cd Length: 141 Bit Score: 39.28 E-value: 3.71e-03
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PTZ00368 | PTZ00368 | universal minicircle sequence binding protein (UMSBP); Provisional |
347-387 | 7.56e-03 | ||||
universal minicircle sequence binding protein (UMSBP); Provisional Pssm-ID: 173561 [Multi-domain] Cd Length: 148 Bit Score: 38.63 E-value: 7.56e-03
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Blast search parameters | ||||
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