Conserved Domains and Related Protein Families
Conserved Domains Detected by RPS-BLAST
Original result of RPS-BLAST against CDD database
ID Alignment Graph Length
Definition
E-value
Query 89
cd09276 128
cd09276, Rnase_HI_RT_non_LTR, non-LTR RNase HI dom
5e-05
>gnl|CDD|187700 cd09276, Rnase_HI_RT_non_LTR, non-LTR RNase HI domain of reverse transcriptases
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Score = 38.8 bits (91), Expect = 5e-05
Identities = 16/55 (29%), Positives = 26/55 (47%), Gaps = 6/55 (10%)
Query: 1 MIINMFHENPLVKRVQE--EELSSTDSSIEFLLCPSHVGIAGNEE----AKQATN 49
+ + +PLV R+++ EL++ + P H GI GNE AK+A
Sbjct: 74 ALRSPRSSSPLVLRIRKAIRELANHGVKVRLHWVPGHSGIEGNERADRLAKEAAK 128
Ribonuclease H (RNase H) is classified into two families, type 1 (prokaryotic RNase HI, eukaryotic RNase H1 and viral RNase H) and type 2 (prokaryotic RNase HII and HIII, and eukaryotic RNase H2). Ribonuclease HI (RNase HI) is an endonuclease that cleaves the RNA strand of an RNA/DNA hybrid in a sequence non-specific manner. RNase H is widely present in various organisms, including bacteria, archaea and eukaryotes. RNase HI has also been observed as an adjunct domain to the reverse transcriptase gene in retroviruses, 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 glutamatic acid residue (DEDD), are unvaried across all RNase H domains. The position of the RNase domain of non-LTR and LTR transposons is at the carboxyl terminal of the reverse transcriptase (RT) domain and their RNase domains group together, indicating a common evolutionary origin. Many non-LTR transposons have lost the RNase domain because their activity is at the nucleus and cellular RNase may suffice; however LTR retotransposons always encode their own RNase domain because it requires RNase activity in RNA-protein particles in the cytoplasm. RNase H inhibitors have been explored as an anti-HIV drug target because RNase H inactivation inhibits reverse transcription. Length = 128
Conserved Domains Detected by HHsearch
Original result of HHsearch against CDD database
ID Alignment Graph Length
Definition
Probability
Query
89
PF00075 132
RNase_H: RNase H; InterPro: IPR002156 The RNase H
99.14
PRK08719 147
ribonuclease H; Reviewed
99.09
PRK00203 150
rnhA ribonuclease H; Reviewed
99.08
PRK06548 161
ribonuclease H; Provisional
98.87
COG0328 154
RnhA Ribonuclease HI [DNA replication, recombinati
98.73
cd06222 130
RnaseH RNase H (RNase HI) is an endonuclease that
98.68
KOG3752|consensus 371
98.18
PRK13907 128
rnhA ribonuclease H; Provisional
96.41
PF13456 87
RVT_3: Reverse transcriptase-like; PDB: 3ALY_A 2EH
95.26
PRK07708 219
hypothetical protein; Validated
94.64
PRK07238
372
bifunctional RNase H/acid phosphatase; Provisional
94.22
>PF00075 RNase_H: RNase H; InterPro: IPR002156 The RNase H domain is responsible for hydrolysis of the RNA portion of RNA x DNA hybrids, and this activity requires the presence of divalent cations (Mg2+ or Mn2+) that bind its active site
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Probab=99.14 E-value=2.1e-11 Score=79.73 Aligned_cols=41 Identities=29% Similarity=0.546 Sum_probs=34.5
Q ss_pred HHHHHHHHHHhhcCCCceEEEEecCccCC-CccHHHHHhhhhhh
Q psy6025 10 PLVKRVQEEELSSTDSSIEFLLCPSHVGI-AGNEEAKQATNDDV 52 (89)
Q Consensus 10 ~i~~~Iq~~el~~~~~~i~~~WvP~H~GI-~GNE~AD~~Ak~a~ 52 (89)
++...|.+ .+ ..+..|.|.|||||+|+ .|||+||+||++|+
T Consensus 90 ~i~~~i~~-~~-~~~~~v~~~~V~~H~~~~~~N~~aD~lAk~a~ 131 (132)
T PF00075_consen 90 PIKNEIWE-LL-SRGIKVRFRWVPGHSGVPQGNERADRLAKEAA 131 (132)
T ss_dssp BHTHHHHH-HH-HHSSEEEEEESSSSSSSHHHHHHHHHHHHHHH
T ss_pred cchhheee-cc-ccceEEeeeeccCcCCCchhHHHHHHHHHHhc
Confidence 57777773 44 44788999999999999 69999999999885
This domain is a part of a large family of homologous RNase H enzymes of which the RNase HI protein from Escherichia coli is the best characterised []. Secondary structure predictions for the enzymes from E. coli, yeast, human liver and diverse retroviruses (such as Rous sarcoma virus and the Foamy viruses) supported, in every case, the five beta-strands (1 to 5) and four or five alpha-helices (A, B/C, D, E) that have been identified by crystallography in the RNase H domain of Human immunodeficiency virus 1 (HIV-1) reverse transcriptase and in E. coli RNase H []. Reverse transcriptase (RT) is a modular enzyme carrying polymerase and ribonuclease H (RNase H) activities in separable domains. Reverse transcriptase (RT) converts the single-stranded RNA genome of a retrovirus into a double-stranded DNA copy for integration into the host genome. This process requires ribonuclease H as well as RNA- and DNA-directed DNA polymerase activities. Retroviral RNase H is synthesised as part of the POL polyprotein that contains; an aspartyl protease, a reverse transcriptase, RNase H and integrase. POL polyprotein undergoes specific enzymatic cleavage to yield the mature proteins. Bacterial RNase H 3.1.26.4 from EC catalyses endonucleolytic cleavage to 5'-phosphomonoester acting on RNA-DNA hybrids. The 3D structure of the RNase H domain from diverse bacteria and retroviruses has been solved [, , ]. All have four beta strands and four to five alpha helices. The E. coli RNase H1 protein binds a single Mg2+ ion cofactor in the active site of the enzyme. The divalent cation is bound by the carboxyl groups of four acidic residues, Asp-10, Glu-48, Asp-70, and Asp-134 []. The first three acidic residues are highly conserved in all bacterial and retroviral RNase H sequences. ; GO: 0003676 nucleic acid binding, 0004523 ribonuclease H activity; PDB: 3LP3_B 2KW4_A 3P1G_A 1RIL_A 2RPI_A 4EQJ_G 4EP2_B 3OTY_P 3U3G_D 2ZQB_D ....
>PRK08719 ribonuclease H; Reviewed
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Probab=99.09 E-value=1.2e-10 Score=82.47 Aligned_cols=42 Identities=29% Similarity=0.389 Sum_probs=34.0
Q ss_pred cHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhh
Q psy6025 9 NPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVT 53 (89)
Q Consensus 9 n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~ 53 (89)
.++.+.|. ++.. ...|+|.|||||+|++|||.||+||++|..
T Consensus 105 ~dl~~~i~--~l~~-~~~i~~~~VkgH~g~~~Ne~aD~lA~~a~~ 146 (147)
T PRK08719 105 RDLWQQVD--ELRA-RKYVEVEKVTAHSGIEGNEAADMLAQAAAE 146 (147)
T ss_pred HHHHHHHH--HHhC-CCcEEEEEecCCCCChhHHHHHHHHHHHhh
Confidence 45666665 2433 467999999999999999999999999864
>PRK00203 rnhA ribonuclease H; Reviewed
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Probab=99.08 E-value=1.2e-10 Score=81.05 Aligned_cols=43 Identities=19% Similarity=0.293 Sum_probs=34.6
Q ss_pred cHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhc
Q psy6025 9 NPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTH 54 (89)
Q Consensus 9 n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~ 54 (89)
.++.+.|.. .+ . ...|.|.|||||+|++|||.||+||++|+..
T Consensus 100 ~dl~~~i~~-l~-~-~~~v~~~wV~~H~~~~~N~~AD~lA~~a~~~ 142 (150)
T PRK00203 100 VDLWQRLDA-AL-K-RHQIKWHWVKGHAGHPENERCDELARAGAEE 142 (150)
T ss_pred HHHHHHHHH-Hh-c-cCceEEEEecCCCCCHHHHHHHHHHHHHHHH
Confidence 456666662 23 2 3789999999999999999999999999864
>PRK06548 ribonuclease H; Provisional
Back Show alignment and domain information
Probab=98.87 E-value=2.6e-09 Score=77.58 Aligned_cols=44 Identities=14% Similarity=0.293 Sum_probs=34.9
Q ss_pred CcHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhc
Q psy6025 8 ENPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTH 54 (89)
Q Consensus 8 ~n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~ 54 (89)
..++.+.|. .++ . ...|+|.|||||+|.+|||.||+||++|...
T Consensus 99 N~dL~~~l~-~l~-~-~~~v~~~wVkgHsg~~gNe~aD~LA~~aa~~ 142 (161)
T PRK06548 99 NQEIIQEID-SLM-E-NRNIRMSWVNAHTGHPLNEAADSLARQAANN 142 (161)
T ss_pred cHHHHHHHH-HHH-h-cCceEEEEEecCCCCHHHHHHHHHHHHHHHH
Confidence 456677666 233 2 2579999999999999999999999998753
>COG0328 RnhA Ribonuclease HI [DNA replication, recombination, and repair]
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Probab=98.73 E-value=1.3e-08 Score=74.33 Aligned_cols=48 Identities=19% Similarity=0.244 Sum_probs=39.3
Q ss_pred CCCcHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhcc
Q psy6025 6 FHENPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTHQ 55 (89)
Q Consensus 6 ~~~n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~~ 55 (89)
..+.++.+.+. ++.+....|.+.|||||.|-+|||+||+||++|+...
T Consensus 99 vkn~dl~~~~~--~~~~~~~~v~~~WVkgH~g~~~NeraD~LA~~~~~~~ 146 (154)
T COG0328 99 VKNKDLWEELD--ELLKRHELVFWEWVKGHAGHPENERADQLAREAARAA 146 (154)
T ss_pred cccHHHHHHHH--HHHhhCCeEEEEEeeCCCCChHHHHHHHHHHHHHHhh
Confidence 34456677666 4666667899999999999999999999999998654
>cd06222 RnaseH RNase H (RNase HI) is an endonuclease that cleaves the RNA strand of an RNA/DNA hybrid in a not sequence-specific manner
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Probab=98.68 E-value=3.7e-08 Score=60.30 Aligned_cols=41 Identities=29% Similarity=0.446 Sum_probs=31.8
Q ss_pred HHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhh
Q psy6025 10 PLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDV 52 (89)
Q Consensus 10 ~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~ 52 (89)
++...++ .+......+.|.|||+|+|+.+|+.||.+|++|.
T Consensus 90 ~~~~~i~--~~~~~~~~~~i~~v~~h~~~~~n~~ad~la~~~~ 130 (130)
T cd06222 90 DLWQRLL--ALLKRFHKVRFEWVPGHSGIEGNERADALAKEAA 130 (130)
T ss_pred HHHHHHH--HHHhCCCeEEEEEcCCCCCCcchHHHHHHHHhhC
Confidence 3344444 2334567899999999999999999999999873
One of the important functions of RNase H is to remove Okazaki fragments during DNA replication. RNase H knockout mice lack mitochondrial DNA replication and die as embryos. The retroviral reverse transcriptase contains an RNase H domain that plays an important role in converting a single stranded retroviral genomic RNA into a dsDNA for integration into host chromosomes. RNase H inhibitors have been explored as an anti-HIV drug target because RNase H inactivation inhibits reverse transcription.
>KOG3752|consensus
Back Show alignment and domain information
Probab=98.18 E-value=1.3e-06 Score=71.51 Aligned_cols=30 Identities=23% Similarity=0.340 Sum_probs=27.9
Q ss_pred CCCceEEEEecCccCCCccHHHHHhhhhhh
Q psy6025 23 TDSSIEFLLCPSHVGIAGNEEAKQATNDDV 52 (89)
Q Consensus 23 ~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~ 52 (89)
++.+|++.|||||.||.|||+||.+|+++.
T Consensus 334 ~~~~vq~~~V~Gh~gi~gne~Ad~lARkgs 363 (371)
T KOG3752|consen 334 SNKKVQQEYVGGHSGILGNEMADALARKGS 363 (371)
T ss_pred ccCceEEEEecCcCCcchHHHHHHHHhhhh
Confidence 568899999999999999999999999884
>PRK13907 rnhA ribonuclease H; Provisional
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Probab=96.41 E-value=0.005 Score=41.00 Aligned_cols=38 Identities=16% Similarity=0.187 Sum_probs=27.6
Q ss_pred HHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhh
Q psy6025 10 PLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVT 53 (89)
Q Consensus 10 ~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~ 53 (89)
++.+.+. .+...-..+.|.|||.+ +|+.||.+|+.|+.
T Consensus 89 ~l~~~~~--~l~~~f~~~~~~~v~r~----~N~~Ad~LA~~a~~ 126 (128)
T PRK13907 89 PLLEEAL--QYIKSFDLFFIKWIPSS----QNKVADELARKAIL 126 (128)
T ss_pred HHHHHHH--HHHhcCCceEEEEcCch----hchhHHHHHHHHHh
Confidence 3444444 24455566778999994 99999999999874
>PF13456 RVT_3: Reverse transcriptase-like; PDB: 3ALY_A 2EHG_A 3HST_B
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Probab=95.26 E-value=0.05 Score=32.65 Aligned_cols=39 Identities=15% Similarity=0.220 Sum_probs=28.3
Q ss_pred cHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhh
Q psy6025 9 NPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVT 53 (89)
Q Consensus 9 n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~ 53 (89)
..+...|+ .+.+.-..+.|.|||- .+|..||.||+.|.+
T Consensus 48 ~~~~~~i~--~~~~~~~~~~~~~i~r----~~N~~A~~LA~~a~~ 86 (87)
T PF13456_consen 48 RPLIQDIR--SLLDRFWNVSVSHIPR----EQNKVADALAKFALS 86 (87)
T ss_dssp HHHHHHHH--HHHCCCSCEEEEE--G----GGSHHHHHHHHHHHH
T ss_pred cccchhhh--hhhccccceEEEEECh----HHhHHHHHHHHHHhh
Confidence 34555566 4556678899999997 689999999998864
>PRK07708 hypothetical protein; Validated
Back Show alignment and domain information
Probab=94.64 E-value=0.054 Score=40.96 Aligned_cols=30 Identities=13% Similarity=0.091 Sum_probs=22.9
Q ss_pred cCCCceEEEEecCccCCCccHHHHHhhhhhhhcc
Q psy6025 22 STDSSIEFLLCPSHVGIAGNEEAKQATNDDVTHQ 55 (89)
Q Consensus 22 ~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~~ 55 (89)
.-.-.+.|.|||-. -|+.||+||+.|++..
T Consensus 180 ~~~l~~~~~~VpR~----~N~~AD~LAk~Al~~~ 209 (219)
T PRK07708 180 QLKLTPVYEPISRK----QNKEADQLATQALEGT 209 (219)
T ss_pred hCCceEEEEECCch----hhhHHHHHHHHHHhcC
Confidence 33334777888774 5999999999999754
>PRK07238 bifunctional RNase H/acid phosphatase; Provisional
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Probab=94.22 E-value=0.067 Score=41.78 Aligned_cols=31 Identities=23% Similarity=0.343 Sum_probs=25.9
Q ss_pred hhcCCCceEEEEecCccCCCccHHHHHhhhhhhhc
Q psy6025 20 LSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTH 54 (89)
Q Consensus 20 l~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~ 54 (89)
+.+.-..++|.|||. .+|+.||.||+.|+..
T Consensus 102 l~~~f~~~~i~~v~r----~~N~~AD~LA~~a~~~ 132 (372)
T PRK07238 102 LASQFGRVTYTWIPR----ARNAHADRLANEAMDA 132 (372)
T ss_pred HHhcCCceEEEECCc----hhhhHHHHHHHHHHHh
Confidence 445557899999998 6899999999998754
Homologous Structure Templates
Structure Templates Detected by HHsearch
Original result of HHsearch against PDB70 database
ID Alignment Graph Length
Definition
Probability
Query 89
3qio_A 150
GAG-POL polyprotein; RNAse H, inhibitor, nuclease,
99.2
3h08_A 146
RNH (ribonuclease H); RNAse H, 3D-structure, endon
99.19
1jl1_A 155
Ribonuclease HI; RNAse HI, protein stability, ther
99.15
2qkb_A 154
Ribonuclease H1, HS-RNAse HC, RNAse H1; RNA/DNA hy
99.15
2kq2_A 147
Ribonuclease H-related protein; PSI, NESG, protein
99.14
2e4l_A 158
Ribonuclease HI, RNAse HI; hydrolase, endoribonucl
99.11
3p1g_A 165
Xenotropic murine leukemia virus-related virus (X
99.03
1ril_A 166
Ribonuclease H; hydrolase(endoribonuclease); 2.80A
98.99
2lsn_A 165
Reverse transcriptase; RNAse H, viral protein; NMR
98.83
1mu2_A 555
HIV-2 RT; HIV-2 reverse transcriptase, AIDS, polym
98.81
2zd1_A 557
Reverse transcriptase/ribonuclease H; P51/P66, het
98.71
3hst_B 141
Protein RV2228C/MT2287; ribonuclease H1, RV2228C N
98.08
3u3g_D 140
Ribonuclease H, RNAse H1; hydrolase, cleave the RN
98.04
2ehg_A 149
Ribonuclease HI; RNAse HI, hyperthermophilic archa
97.9
>3qio_A GAG-POL polyprotein; RNAse H, inhibitor, nuclease, transferase, hydrolase- complex; HET: QID; 1.40A {Hiv-1 M} SCOP: c.55.3.1 PDB: 3qin_A* 3hyf_A* 1o1w_A 3lp3_A* 1hrh_A 3k2p_A* 1rdh_A
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Probab=99.20 E-value=9.8e-12 Score=86.03 Aligned_cols=45 Identities=24% Similarity=0.465 Sum_probs=36.0
Q ss_pred CcHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhc
Q psy6025 8 ENPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTH 54 (89)
Q Consensus 8 ~n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~ 54 (89)
..++.+.+.+ ++ .....|.|.|||||+|++|||+||+||++|+..
T Consensus 103 n~~l~~~l~~-~l-~~~~~v~~~wV~gH~g~~~Ne~AD~LA~~a~~~ 147 (150)
T 3qio_A 103 NVDLVNQIIE-QL-IKKEKVYLAWVPAHKGIGGNEQVDKLVSAGIRK 147 (150)
T ss_dssp CHHHHHHHHH-HH-TTCSEEEEEECCTTSCCHHHHHHHHHHHTTTSC
T ss_pred cHHHHHHHHH-HH-hhcCceEEEEccCcCCChhHHHHHHHHHHHHHH
Confidence 3456666652 23 456789999999999999999999999999864
>3h08_A RNH (ribonuclease H); RNAse H, 3D-structure, endonuclease, hydrolase, magnesium, metal-binding; 1.60A {Chlorobaculum tepidum}
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Probab=99.19 E-value=9.1e-12 Score=83.75 Aligned_cols=45 Identities=11% Similarity=0.087 Sum_probs=34.9
Q ss_pred CcHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhcc
Q psy6025 8 ENPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTHQ 55 (89)
Q Consensus 8 ~n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~~ 55 (89)
..++.+.+.. .+.. ..|.|.|||||+|++|||+||+||++|+..+
T Consensus 101 n~~l~~~~~~-~~~~--~~v~~~~V~gH~g~~~N~~AD~LA~~a~~~~ 145 (146)
T 3h08_A 101 NIDLWQEILK-LTTL--HRVTFHKVKGHSDNPYNSRADELARLAIKEN 145 (146)
T ss_dssp THHHHHHHHH-HHHH--SEEEEEECCC-CCSHHHHHHHHHHHHHHHHC
T ss_pred CHHHHHHHHH-HHhh--CceEEEEcCCcCCcHhHHHHHHHHHHHHHhC
Confidence 3567777773 3332 4699999999999999999999999998643
>1jl1_A Ribonuclease HI; RNAse HI, protein stability, thermostability, hydrogen exchange, cooperativity, hydrolase; 1.30A {Escherichia coli} SCOP: c.55.3.1 PDB: 1f21_A 1jxb_A 1g15_A 1rch_A 1rdd_A 1rnh_A* 2rn2_A 1rda_A 1law_A 1rdb_A 1lav_A 3aa4_A 1rbu_A 1gob_A 1rdc_A 1kvc_A 3aa3_A 3aa2_A 3aa5_X 1rbv_A ...
Back Show alignment and structure
Probab=99.15 E-value=2.7e-11 Score=83.10 Aligned_cols=46 Identities=20% Similarity=0.266 Sum_probs=37.5
Q ss_pred cHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhcccc
Q psy6025 9 NPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTHQEL 57 (89)
Q Consensus 9 n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~~~~ 57 (89)
.++.+.|.. +.. ...|.|.|||||+|++|||.||+||++|+..+.+
T Consensus 101 ~~l~~~i~~--l~~-~~~v~~~wV~gH~g~~~Ne~AD~LA~~a~~~~~~ 146 (155)
T 1jl1_A 101 VDLWQRLDA--ALG-QHQIKWEWVKGHAGHPENERADELARAAAMNPTL 146 (155)
T ss_dssp HHHHHHHHH--HTT-TCEEEEEECCSSTTCHHHHHHHHHHHHHHHSCCB
T ss_pred HHHHHHHHH--HHc-cCceEEEEcCCCCCCHHHHHHHHHHHHHHhccch
Confidence 567777773 333 3589999999999999999999999999987643
>2qkb_A Ribonuclease H1, HS-RNAse HC, RNAse H1; RNA/DNA hybrid; 2.40A {Homo sapiens} PDB: 2qk9_A 2qkk_A*
Back Show alignment and structure
Probab=99.15 E-value=3e-11 Score=82.23 Aligned_cols=44 Identities=20% Similarity=0.376 Sum_probs=35.7
Q ss_pred cHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhcc
Q psy6025 9 NPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTHQ 55 (89)
Q Consensus 9 n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~~ 55 (89)
.++.+.|.. .+ . +..|.|.|||||+|++|||+||+||++|+..+
T Consensus 109 ~~l~~~i~~-l~-~-~~~v~~~~V~~H~g~~~N~~AD~LA~~a~~~~ 152 (154)
T 2qkb_A 109 KEDFVALER-LT-Q-GMDIQWMHVPGHSGFIGNEEADRLAREGAKQS 152 (154)
T ss_dssp HHHHHHHHH-HH-T-TCEEEEEECCTTSSCHHHHHHHHHHHHHHTCC
T ss_pred HHHHHHHHH-HH-c-CCceEEEEccCCCCCHhHHHHHHHHHHHHHhc
Confidence 467777772 33 3 35699999999999999999999999998754
>2kq2_A Ribonuclease H-related protein; PSI, NESG, protein structure, APO enzyme, structural genomics, protein structure initiative; NMR {Desulfitobacterium hafniense dcb-2} PDB: 2kw4_A
Back Show alignment and structure
Probab=99.14 E-value=1.2e-11 Score=84.68 Aligned_cols=31 Identities=13% Similarity=0.098 Sum_probs=28.6
Q ss_pred CceEEEEecCccCCCccHHHHHhhhhhhhcc
Q psy6025 25 SSIEFLLCPSHVGIAGNEEAKQATNDDVTHQ 55 (89)
Q Consensus 25 ~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~~ 55 (89)
..|.|.|||||+|++|||+||+||++|+...
T Consensus 108 ~~v~~~wV~gH~g~~~Ne~AD~LA~~a~~~~ 138 (147)
T 2kq2_A 108 GIYSFEKVKAHSGNEFNDYVDMKAKSALGIR 138 (147)
T ss_dssp TTCCBCCCCCCCCCHHHHHHHHHHHHHHTCC
T ss_pred CCeeEEEecCcCCCcchHHHHHHHHHHHhcc
Confidence 3899999999999999999999999998754
>2e4l_A Ribonuclease HI, RNAse HI; hydrolase, endoribonuclease; 2.00A {Shewanella oneidensis} PDB: 2zqb_A
Back Show alignment and structure
Probab=99.11 E-value=5.6e-11 Score=81.92 Aligned_cols=43 Identities=23% Similarity=0.268 Sum_probs=35.7
Q ss_pred cHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhc
Q psy6025 9 NPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTH 54 (89)
Q Consensus 9 n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~ 54 (89)
.++.+.+.. .+ . ...|.|.|||||+|++|||.||+||++|+..
T Consensus 103 ~~l~~~i~~-l~-~-~~~v~~~wV~gH~g~~~Ne~AD~LAk~a~~~ 145 (158)
T 2e4l_A 103 VDLWKRLDK-AA-Q-LHQIDWRWVKGHAGHAENERCDQLARAAAEA 145 (158)
T ss_dssp HHHHHHHHH-HH-T-TSEEEEEECCTTCCCHHHHHHHHHHHHHHHS
T ss_pred HHHHHHHHH-HH-c-cCcEEEEEccCCCCchhHHHHHHHHHHHHHh
Confidence 467777773 33 3 3589999999999999999999999999987
>3p1g_A Xenotropic murine leukemia virus-related virus (X H domain; XMRV, RNAse H, reverse transcriptase, transcription; 1.50A {Xenotropic mulv-related virus} PDB: 3v1q_A 3v1o_A 3v1r_A* 2hb5_A 4e89_A
Back Show alignment and structure
Probab=99.03 E-value=1.2e-10 Score=82.29 Aligned_cols=47 Identities=21% Similarity=0.331 Sum_probs=36.5
Q ss_pred cHHHHHHHHHHhhcCCCceEEEEecCccC-----CCccHHHHHhhhhhhhcccc
Q psy6025 9 NPLVKRVQEEELSSTDSSIEFLLCPSHVG-----IAGNEEAKQATNDDVTHQEL 57 (89)
Q Consensus 9 n~i~~~Iq~~el~~~~~~i~~~WvP~H~G-----I~GNE~AD~~Ak~a~~~~~~ 57 (89)
.++.+.+. .++ .....|.|.|||||+| ++|||+||+||++|+..+..
T Consensus 108 ~dl~~~l~-~~l-~~~~~v~~~wVkgH~g~~~~~~~gNe~AD~LA~~aa~~~~~ 159 (165)
T 3p1g_A 108 KNEILALL-KAL-FLPKRLSIIHCPGHQKGNSAEARGNRMADQAAREAAMKAVL 159 (165)
T ss_dssp HHHHHHHH-HHT-TSBSEEEEEECCSSCCSCSHHHHHHHHHHHHHHHHHHHHHT
T ss_pred HHHHHHHH-HHH-hcCCceEEEEecCCCCCCcCcchHHHHHHHHHHHHHhcCCC
Confidence 45556554 223 2467899999999999 99999999999999876543
>1ril_A Ribonuclease H; hydrolase(endoribonuclease); 2.80A {Thermus thermophilus} SCOP: c.55.3.1 PDB: 2rpi_A
Back Show alignment and structure
Probab=98.99 E-value=1.8e-10 Score=80.25 Aligned_cols=44 Identities=16% Similarity=0.275 Sum_probs=36.0
Q ss_pred cHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhcc
Q psy6025 9 NPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTHQ 55 (89)
Q Consensus 9 n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~~ 55 (89)
.++.+.+.. .+ . ...|.|.|||||+|++|||+||+||++|+...
T Consensus 106 ~~l~~~i~~-l~-~-~~~v~~~wV~gH~g~~~Ne~AD~LAk~a~~~~ 149 (166)
T 1ril_A 106 RDLWEALLL-AM-A-PHRVRFHFVKGHTGHPENERVDREARRQAQSQ 149 (166)
T ss_dssp HHHHHHHHH-HH-T-TSEEECCCCCGGGSCTHHHHHHHHHHHHHTSS
T ss_pred HHHHHHHHH-HH-h-cCeEEEEEeeCCCCchhHHHHHHHHHHHHHHh
Confidence 467777773 33 3 25899999999999999999999999998764
>2lsn_A Reverse transcriptase; RNAse H, viral protein; NMR {Simian foamy virus}
Back Show alignment and structure
Probab=98.83 E-value=2.3e-09 Score=75.97 Aligned_cols=44 Identities=18% Similarity=0.098 Sum_probs=34.3
Q ss_pred CcHHHHHHHHHHhhcCCCceEEEEecCccCC------CccHHHHHhhhhhhh
Q psy6025 8 ENPLVKRVQEEELSSTDSSIEFLLCPSHVGI------AGNEEAKQATNDDVT 53 (89)
Q Consensus 8 ~n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI------~GNE~AD~~Ak~a~~ 53 (89)
..++.+.+.+ +......|.|.|||||+|+ +|||+||+||++|+.
T Consensus 113 N~dL~~~l~~--~~~~~~~v~~~~VkgH~g~~~~~~~~gNe~AD~LA~~gA~ 162 (165)
T 2lsn_A 113 HISKWKSIAE--CLSMKPDITIQHEKGHQPTNTSIHTEGNALADKLATQGSY 162 (165)
T ss_dssp SHHHHHHHHH--HHHHCTTCEEEECCSSSCSSSCHHHHHHHHHHHHHHHHHH
T ss_pred CHHHHHHHHH--HHhCCCCEEEEEEeCCCCccCCCCChHHHHHHHHHHHhhh
Confidence 3466776662 3344568999999999996 589999999999874
>1mu2_A HIV-2 RT; HIV-2 reverse transcriptase, AIDS, polymerase, drug design, transferase; 2.35A {Human immunodeficiency virus 2} SCOP: c.55.3.1 e.8.1.2 PDB: 1mu2_B
Back Show alignment and structure
Probab=98.81 E-value=2e-09 Score=86.10 Aligned_cols=43 Identities=28% Similarity=0.533 Sum_probs=33.7
Q ss_pred CcHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhh
Q psy6025 8 ENPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDV 52 (89)
Q Consensus 8 ~n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~ 52 (89)
..++.+.+.+ .+. ....|.|.|||||+|++|||+||+||++|+
T Consensus 513 ~~~l~~~~~~-~~~-~~~~v~~~wV~~H~g~~~Ne~AD~LA~~a~ 555 (555)
T 1mu2_A 513 ESKIVNQIIE-EMI-KKEAIYVAWVPAHKGIGGNQEVDHLVSQGI 555 (555)
T ss_dssp SCHHHHHHHH-HHH-HCSEEEEEECCSSSCCTTHHHHHHHHHTTC
T ss_pred cHHHHHHHHH-Hhc-cCCcEEEEEEECCCCChhHHHHHHHHHhhC
Confidence 3566665552 222 356799999999999999999999999884
>2zd1_A Reverse transcriptase/ribonuclease H; P51/P66, hetero dimer, NNRTI, nonnucleoside inhibitor, AIDS, HIV, rilpivirine, diarylpyrimidine, DAPY, DNA recombination; HET: T27; 1.80A {Human immunodeficiency virus 1} PDB: 3is9_A* 3irx_A* 2ze2_A* 3bgr_A* 3qlh_A* 3klf_A* 3qo9_A* 1dlo_A 1bqm_A 2be2_A* 1s6q_A* 1s6p_A* 1s9g_A* 1suq_A* 2b5j_A* 2b6a_A* 2ban_A* 1s9e_A* 1hni_A* 1hnv_A* ...
Back Show alignment and structure
Probab=98.71 E-value=3.4e-09 Score=84.86 Aligned_cols=42 Identities=29% Similarity=0.518 Sum_probs=30.8
Q ss_pred CcHHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhh
Q psy6025 8 ENPLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDD 51 (89)
Q Consensus 8 ~n~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a 51 (89)
..++.+.+.. ++.. ...|.|.|||||+|++|||+||+||++|
T Consensus 516 ~~~l~~~~~~-~l~~-~~~v~~~wV~~H~g~~~Ne~AD~LA~~a 557 (557)
T 2zd1_A 516 ESELVNQIIE-QLIK-KEKVYLAWVPAHKGIGGNEQVDKLVSAG 557 (557)
T ss_dssp SSHHHHHHHH-HHHH-CSEEEEEECCSSSCCTTCCGGGGCC---
T ss_pred CHHHHHHHHH-HHhc-CCCEEEEEcCCCCCChhHHHHHHHHhcC
Confidence 3567766652 3333 3579999999999999999999999986
>3hst_B Protein RV2228C/MT2287; ribonuclease H1, RV2228C N-terminal domain, fusion protein, maltose binding protein, HYDR; HET: MLR TAR; 2.25A {Mycobacterium tuberculosis}
Back Show alignment and structure
Probab=98.08 E-value=3.4e-06 Score=54.85 Aligned_cols=32 Identities=28% Similarity=0.330 Sum_probs=26.9
Q ss_pred HhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhc
Q psy6025 19 ELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTH 54 (89)
Q Consensus 19 el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~ 54 (89)
.+......|.|.|||+ .|||.||+||++|+..
T Consensus 102 ~l~~~~~~v~~~~V~~----~~N~~AD~LA~~a~~~ 133 (141)
T 3hst_B 102 ALASQFRRINYEWVPR----ARNTYADRLANDAMDA 133 (141)
T ss_dssp HHHTTSSEEEEEECCG----GGCHHHHHHHHHHHHH
T ss_pred HHHhcCCeEEEEEcCC----cccHHHHHHHHHHHHH
Confidence 3445567899999996 8999999999999864
>3u3g_D Ribonuclease H, RNAse H1; hydrolase, cleave the RNA strand of RNA/DNA hybrid; 1.40A {Uncultured organism}
Back Show alignment and structure
Probab=98.04 E-value=2.9e-06 Score=54.61 Aligned_cols=29 Identities=17% Similarity=0.334 Sum_probs=24.5
Q ss_pred cCCCceEEEEecCccCCCccHHHHHhhhhhhhc
Q psy6025 22 STDSSIEFLLCPSHVGIAGNEEAKQATNDDVTH 54 (89)
Q Consensus 22 ~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~ 54 (89)
+.-..|.|.|||+ +|||+||+||++|+..
T Consensus 109 ~~~~~v~~~~V~~----~~N~~AD~LA~~a~~~ 137 (140)
T 3u3g_D 109 ERVPNLVFVHIPR----EKNARADELVNEAIDK 137 (140)
T ss_dssp HHCTTCEEEECCG----GGGHHHHHHHHHHHHH
T ss_pred cCCCcEEEEEcCc----hhhHHHHHHHHHHHHh
Confidence 3345899999995 8999999999999864
>2ehg_A Ribonuclease HI; RNAse HI, hyperthermophilic archaeon, D stranded RNA-dependent RNAse, hydrolase; 1.60A {Sulfolobus tokodaii} PDB: 3aly_A
Back Show alignment and structure
Probab=97.90 E-value=7.1e-06 Score=54.65 Aligned_cols=38 Identities=18% Similarity=0.249 Sum_probs=27.9
Q ss_pred HHHHHHHHHHhhcCCCceEEEEecCccCCCccHHHHHhhhhhhhc
Q psy6025 10 PLVKRVQEEELSSTDSSIEFLLCPSHVGIAGNEEAKQATNDDVTH 54 (89)
Q Consensus 10 ~i~~~Iq~~el~~~~~~i~~~WvP~H~GI~GNE~AD~~Ak~a~~~ 54 (89)
++.+.+.. .+..- +|.|.|||+ +|||.||+||++|+..
T Consensus 97 ~l~~~i~~-l~~~~--~v~~~~V~~----~~N~~AD~LA~~a~~~ 134 (149)
T 2ehg_A 97 PLYEKAIE-LKKKL--NATLIWVPR----EENKEADRLSRVAYEL 134 (149)
T ss_dssp HHHHHHHH-HHHHH--TCEEEECCG----GGCHHHHHHHHHHHHH
T ss_pred HHHHHHHH-HHhcC--CEEEEEcCC----cccHHHHHHHHHHHHh
Confidence 45555552 23222 499999999 4999999999999864
Homologous Structure Domains