RNH_RICTY
ID RNH_RICTY Reviewed; 152 AA.
AC Q68W20;
DT 13-SEP-2005, integrated into UniProtKB/Swiss-Prot.
DT 11-OCT-2004, sequence version 1.
DT 03-AUG-2022, entry version 86.
DE RecName: Full=Ribonuclease H {ECO:0000255|HAMAP-Rule:MF_00042};
DE Short=RNase H {ECO:0000255|HAMAP-Rule:MF_00042};
DE EC=3.1.26.4 {ECO:0000255|HAMAP-Rule:MF_00042};
GN Name=rnhA {ECO:0000255|HAMAP-Rule:MF_00042}; OrderedLocusNames=RT0713;
OS Rickettsia typhi (strain ATCC VR-144 / Wilmington).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC Rickettsiaceae; Rickettsieae; Rickettsia; typhus group.
OX NCBI_TaxID=257363;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC VR-144 / Wilmington;
RX PubMed=15317790; DOI=10.1128/jb.186.17.5842-5855.2004;
RA McLeod M.P., Qin X., Karpathy S.E., Gioia J., Highlander S.K., Fox G.E.,
RA McNeill T.Z., Jiang H., Muzny D., Jacob L.S., Hawes A.C., Sodergren E.,
RA Gill R., Hume J., Morgan M., Fan G., Amin A.G., Gibbs R.A., Hong C.,
RA Yu X.-J., Walker D.H., Weinstock G.M.;
RT "Complete genome sequence of Rickettsia typhi and comparison with sequences
RT of other Rickettsiae.";
RL J. Bacteriol. 186:5842-5855(2004).
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000255|HAMAP-Rule:MF_00042}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00042};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00042};
CC Note=Binds 1 Mg(2+) ion per subunit. May bind a second metal ion at a
CC regulatory site, or after substrate binding. {ECO:0000255|HAMAP-
CC Rule:MF_00042};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00042}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00042}.
CC -!- SIMILARITY: Belongs to the RNase H family. {ECO:0000255|HAMAP-
CC Rule:MF_00042}.
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DR EMBL; AE017197; AAU04172.1; -; Genomic_DNA.
DR RefSeq; WP_011191148.1; NC_006142.1.
DR AlphaFoldDB; Q68W20; -.
DR SMR; Q68W20; -.
DR STRING; 257363.RT0713; -.
DR EnsemblBacteria; AAU04172; AAU04172; RT0713.
DR KEGG; rty:RT0713; -.
DR eggNOG; COG0328; Bacteria.
DR HOGENOM; CLU_030894_6_0_5; -.
DR OMA; WATILRY; -.
DR OrthoDB; 1953872at2; -.
DR Proteomes; UP000000604; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003676; F:nucleic acid 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; cd09278; RNase_HI_prokaryote_like; 1.
DR Gene3D; 3.30.420.10; -; 1.
DR HAMAP; MF_00042; RNase_H; 1.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR002156; RNaseH_domain.
DR InterPro; IPR036397; RNaseH_sf.
DR InterPro; IPR022892; RNaseHI.
DR Pfam; PF00075; RNase_H; 1.
DR SUPFAM; SSF53098; SSF53098; 1.
DR PROSITE; PS50879; RNASE_H_1; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Endonuclease; Hydrolase; Magnesium; Metal-binding; Nuclease.
FT CHAIN 1..152
FT /note="Ribonuclease H"
FT /id="PRO_0000195399"
FT DOMAIN 1..142
FT /note="RNase H type-1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00408"
FT BINDING 10
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 10
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 48
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 70
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 134
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
SQ SEQUENCE 152 AA; 17177 MW; EE069D6193CA68C9 CRC64;
MDSKVVIYTD GACSGNPGPG GWGALLKFND ASKKIFGYEL VTTNNRMEMT AALEALRVLK
KSSIVEIYTD SKYLQHGITV WIHNWMKNNW CKNNNEPVKN VDLWQKLYSE LSKHTIMWRW
VKGHASNSGN IAADKLAVQG RETAMEILKC RG
