RNH_RICPR
ID RNH_RICPR Reviewed; 152 AA.
AC Q9ZCK3;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-MAY-1999, sequence version 1.
DT 03-AUG-2022, entry version 106.
DE RecName: Full=Ribonuclease HI;
DE Short=RNase HI;
DE EC=3.1.26.4;
GN Name=rnhA; OrderedLocusNames=RP726;
OS Rickettsia prowazekii (strain Madrid E).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC Rickettsiaceae; Rickettsieae; Rickettsia; typhus group.
OX NCBI_TaxID=272947;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Madrid E;
RX PubMed=9823893; DOI=10.1038/24094;
RA Andersson S.G.E., Zomorodipour A., Andersson J.O., Sicheritz-Ponten T.,
RA Alsmark U.C.M., Podowski R.M., Naeslund A.K., Eriksson A.-S., Winkler H.H.,
RA Kurland C.G.;
RT "The genome sequence of Rickettsia prowazekii and the origin of
RT mitochondria.";
RL Nature 396:133-140(1998).
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
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:0000250};
CC -!- SUBUNIT: Monomer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC -!- SIMILARITY: Belongs to the RNase H family. {ECO:0000305}.
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DR EMBL; AJ235273; CAA15157.1; -; Genomic_DNA.
DR PIR; E71632; E71632.
DR RefSeq; NP_221081.1; NC_000963.1.
DR RefSeq; WP_004599626.1; NC_000963.1.
DR AlphaFoldDB; Q9ZCK3; -.
DR SMR; Q9ZCK3; -.
DR STRING; 272947.RP726; -.
DR EnsemblBacteria; CAA15157; CAA15157; CAA15157.
DR KEGG; rpr:RP726; -.
DR PATRIC; fig|272947.5.peg.762; -.
DR eggNOG; COG0328; Bacteria.
DR HOGENOM; CLU_030894_6_0_5; -.
DR OMA; WATILRY; -.
DR Proteomes; UP000002480; 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;
KW Reference proteome.
FT CHAIN 1..152
FT /note="Ribonuclease HI"
FT /id="PRO_0000195398"
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:0000250"
FT BINDING 10
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
FT BINDING 48
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 70
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 134
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
SQ SEQUENCE 152 AA; 17014 MW; E759ACA6D3F550BD CRC64;
MDSKVVIYTD GACSGNPGPG GWGALLHFND TSKKIFGYEL VTTNNRMEMT AALEALRILK
KSSVVEIYTD SKYLQHGITV WIHNWIKNNW CKSNNAPVKN ADLWQKLYSE LSKHTIMWKW
VKGHASNSGN IAADKLAVQG RETAMEILKC LG
