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hypothetical protein PC123_g27712 [Phytophthora cactorum]
Ty1/Copia family ribonuclease HI( domain architecture ID 10174210)
Ty1/Copia family ribonuclease HI in long-term repeat (LTR) retroelements is involved in the 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
List of domain hits
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Name | Accession | Description | Interval | E-value | |||
RNase_HI_RT_Ty1 | cd09272 | Ty1/Copia family of RNase HI in long-term repeat retroelements; Ribonuclease H (RNase H) ... |
83-222 | 2.54e-91 | |||
Ty1/Copia 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 eukaryotes. RNase HI has also been observed as adjunct domains to the reverse transcriptase gene in retroviruses, in long-term repeat (LTR)-bearing 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. The Ty1/Copia family is widely distributed among the genomes of plants, fungi, and animals. RNase H inhibitors have been explored as an anti-HIV drug target because RNase H inactivation inhibits reverse transcription. : Pssm-ID: 260004 Cd Length: 140 Bit Score: 265.49 E-value: 2.54e-91
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Name | Accession | Description | Interval | E-value | |||
RNase_HI_RT_Ty1 | cd09272 | Ty1/Copia family of RNase HI in long-term repeat retroelements; Ribonuclease H (RNase H) ... |
83-222 | 2.54e-91 | |||
Ty1/Copia 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 eukaryotes. RNase HI has also been observed as adjunct domains to the reverse transcriptase gene in retroviruses, in long-term repeat (LTR)-bearing 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. The Ty1/Copia family is widely distributed among the genomes of plants, fungi, and animals. RNase H inhibitors have been explored as an anti-HIV drug target because RNase H inactivation inhibits reverse transcription. Pssm-ID: 260004 Cd Length: 140 Bit Score: 265.49 E-value: 2.54e-91
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Name | Accession | Description | Interval | E-value | |||
RNase_HI_RT_Ty1 | cd09272 | Ty1/Copia family of RNase HI in long-term repeat retroelements; Ribonuclease H (RNase H) ... |
83-222 | 2.54e-91 | |||
Ty1/Copia 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 eukaryotes. RNase HI has also been observed as adjunct domains to the reverse transcriptase gene in retroviruses, in long-term repeat (LTR)-bearing 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. The Ty1/Copia family is widely distributed among the genomes of plants, fungi, and animals. RNase H inhibitors have been explored as an anti-HIV drug target because RNase H inactivation inhibits reverse transcription. Pssm-ID: 260004 Cd Length: 140 Bit Score: 265.49 E-value: 2.54e-91
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RNase_H_like | cd06222 | Ribonuclease H-like superfamily, including RNase H, HI, HII, HIII, and RNase-like domain IV of ... |
85-218 | 1.22e-12 | |||
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. Pssm-ID: 259998 [Multi-domain] Cd Length: 121 Bit Score: 63.10 E-value: 1.22e-12
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