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RNH3_BACP2
ID   RNH3_BACP2              Reviewed;         307 AA.
AC   A8FG15;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   03-AUG-2022, entry version 80.
DE   RecName: Full=Ribonuclease HIII {ECO:0000255|HAMAP-Rule:MF_00053};
DE            Short=RNase HIII {ECO:0000255|HAMAP-Rule:MF_00053};
DE            EC=3.1.26.4 {ECO:0000255|HAMAP-Rule:MF_00053};
GN   Name=rnhC {ECO:0000255|HAMAP-Rule:MF_00053}; OrderedLocusNames=BPUM_2520;
OS   Bacillus pumilus (strain SAFR-032).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus.
OX   NCBI_TaxID=315750;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SAFR-032;
RX   PubMed=17895969; DOI=10.1371/journal.pone.0000928;
RA   Gioia J., Yerrapragada S., Qin X., Jiang H., Igboeli O.C., Muzny D.,
RA   Dugan-Rocha S., Ding Y., Hawes A., Liu W., Perez L., Kovar C., Dinh H.,
RA   Lee S., Nazareth L., Blyth P., Holder M., Buhay C., Tirumalai M.R., Liu Y.,
RA   Dasgupta I., Bokhetache L., Fujita M., Karouia F., Eswara Moorthy P.,
RA   Siefert J., Uzman A., Buzumbo P., Verma A., Zwiya H., McWilliams B.D.,
RA   Olowu A., Clinkenbeard K.D., Newcombe D., Golebiewski L., Petrosino J.F.,
RA   Nicholson W.L., Fox G.E., Venkateswaran K., Highlander S.K.,
RA   Weinstock G.M.;
RT   "Paradoxical DNA repair and peroxide resistance gene conservation in
RT   Bacillus pumilus SAFR-032.";
RL   PLoS ONE 2:E928-E928(2007).
CC   -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC       hybrids. {ECO:0000255|HAMAP-Rule:MF_00053}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00053};
CC   -!- COFACTOR:
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00053};
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00053};
CC       Note=Manganese or magnesium. Binds 1 divalent metal ion per monomer in
CC       the absence of substrate. May bind a second metal ion after substrate
CC       binding. {ECO:0000255|HAMAP-Rule:MF_00053};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00053}.
CC   -!- SIMILARITY: Belongs to the RNase HII family. RnhC subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_00053}.
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DR   EMBL; CP000813; ABV63182.1; -; Genomic_DNA.
DR   AlphaFoldDB; A8FG15; -.
DR   SMR; A8FG15; -.
DR   STRING; 315750.BPUM_2520; -.
DR   EnsemblBacteria; ABV63182; ABV63182; BPUM_2520.
DR   KEGG; bpu:BPUM_2520; -.
DR   eggNOG; COG1039; Bacteria.
DR   HOGENOM; CLU_059546_1_0_9; -.
DR   OMA; TGDYFGP; -.
DR   Proteomes; UP000001355; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003723; F:RNA binding; IEA:InterPro.
DR   GO; GO:0004523; F:RNA-DNA hybrid ribonuclease activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006401; P:RNA catabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd14796; RNAse_HIII_N; 1.
DR   Gene3D; 3.30.310.10; -; 1.
DR   Gene3D; 3.30.420.10; -; 1.
DR   HAMAP; MF_00053; RNase_HIII; 1.
DR   InterPro; IPR001352; RNase_HII/HIII.
DR   InterPro; IPR024567; RNase_HII/HIII_dom.
DR   InterPro; IPR004641; RNase_HIII.
DR   InterPro; IPR024568; RNase_HIII_N.
DR   InterPro; IPR012337; RNaseH-like_sf.
DR   InterPro; IPR036397; RNaseH_sf.
DR   InterPro; IPR012295; TBP_dom_sf.
DR   PANTHER; PTHR10954; PTHR10954; 1.
DR   Pfam; PF11858; DUF3378; 1.
DR   Pfam; PF01351; RNase_HII; 1.
DR   PIRSF; PIRSF037748; RnhC; 1.
DR   SUPFAM; SSF53098; SSF53098; 1.
DR   TIGRFAMs; TIGR00716; rnhC; 1.
DR   PROSITE; PS51975; RNASE_H_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Endonuclease; Hydrolase; Magnesium; Metal-binding; Nuclease;
KW   Reference proteome.
FT   CHAIN           1..307
FT                   /note="Ribonuclease HIII"
FT                   /id="PRO_1000057383"
FT   DOMAIN          93..307
FT                   /note="RNase H type-2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01319"
FT   BINDING         99
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00053"
FT   BINDING         100
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00053"
FT   BINDING         204
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00053"
SQ   SEQUENCE   307 AA;  33381 MW;  ED395AC36CDB68AC CRC64;
     MPQSVLKATS EDLKKMKSAY AHHLTDTLPP GALFQAKVPG CTITAYRSGK VLFQGQKAEA
     EASQFSHLKA TDPKSSKTPA VTKYSPPSGI ASMSVIGSDE VGTGDYFGPI TVCAAYVDAS
     HLALMKELGV KDSKGLKDPQ IINIAKDLIK TIPFSLLVLR NEKYNAMQEK GMSQGKMKAL
     LHNQVITSAL EKLDGKQPEA ILIDQFAEPG IYFKHLAGKK IIRERTYFST KAEGIHLSVA
     AASIIARYAF LIEMDKLSEA AGFEIPKGAG PHVDKAAAKL IKLHGEEALR QFTKLHFANT
     QKAKKWL
 
 
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