ID C0QU48_PERMH Unreviewed; 145 AA.
AC C0QU48;
DT 05-MAY-2009, integrated into UniProtKB/TrEMBL.
DT 05-MAY-2009, sequence version 1.
DT 27-MAR-2024, entry version 79.
DE RecName: Full=Ribonuclease H {ECO:0000256|ARBA:ARBA00012180, ECO:0000256|HAMAP-Rule:MF_00042};
DE Short=RNase H {ECO:0000256|HAMAP-Rule:MF_00042};
DE EC=3.1.26.4 {ECO:0000256|ARBA:ARBA00012180, ECO:0000256|HAMAP-Rule:MF_00042};
GN Name=rnhA {ECO:0000256|HAMAP-Rule:MF_00042,
GN ECO:0000313|EMBL:ACO03671.1};
GN OrderedLocusNames=PERMA_0423 {ECO:0000313|EMBL:ACO03671.1};
OS Persephonella marina (strain DSM 14350 / EX-H1).
OC Bacteria; Aquificota; Aquificae; Aquificales; Hydrogenothermaceae;
OC Persephonella.
OX NCBI_TaxID=123214 {ECO:0000313|EMBL:ACO03671.1, ECO:0000313|Proteomes:UP000001366};
RN [1] {ECO:0000313|EMBL:ACO03671.1, ECO:0000313|Proteomes:UP000001366}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 14350 / EX-H1 {ECO:0000313|Proteomes:UP000001366};
RX PubMed=19136599; DOI=10.1128/JB.01645-08;
RA Reysenbach A.L., Hamamura N., Podar M., Griffiths E., Ferreira S.,
RA Hochstein R., Heidelberg J., Johnson J., Mead D., Pohorille A.,
RA Sarmiento M., Schweighofer K., Seshadri R., Voytek M.A.;
RT "Complete and draft genome sequences of six members of the Aquificales.";
RL J. Bacteriol. 191:1992-1993(2009).
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000256|HAMAP-Rule:MF_00042}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC Evidence={ECO:0000256|ARBA:ARBA00000077, ECO:0000256|HAMAP-
CC Rule:MF_00042};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|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:0000256|HAMAP-
CC Rule:MF_00042};
CC -!- SUBUNIT: Monomer. {ECO:0000256|ARBA:ARBA00011245, ECO:0000256|HAMAP-
CC Rule:MF_00042}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00042}.
CC -!- SIMILARITY: Belongs to the RNase H family.
CC {ECO:0000256|ARBA:ARBA00005300, ECO:0000256|HAMAP-Rule:MF_00042}.
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DR EMBL; CP001230; ACO03671.1; -; Genomic_DNA.
DR RefSeq; WP_012675910.1; NC_012440.1.
DR AlphaFoldDB; C0QU48; -.
DR STRING; 123214.PERMA_0423; -.
DR PaxDb; 123214-PERMA_0423; -.
DR KEGG; pmx:PERMA_0423; -.
DR eggNOG; COG0328; Bacteria.
DR HOGENOM; CLU_030894_6_0_0; -.
DR OrthoDB; 7845843at2; -.
DR Proteomes; UP000001366; 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; Ribonuclease H-like superfamily/Ribonuclease H; 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 PANTHER; PTHR10642; RIBONUCLEASE H1; 1.
DR PANTHER; PTHR10642:SF26; RIBONUCLEASE H1; 1.
DR Pfam; PF00075; RNase_H; 1.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
DR PROSITE; PS50879; RNASE_H_1; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00042};
KW Endonuclease {ECO:0000256|HAMAP-Rule:MF_00042};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_00042, ECO:0000313|EMBL:ACO03671.1};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00042};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00042};
KW Nuclease {ECO:0000256|HAMAP-Rule:MF_00042};
KW Reference proteome {ECO:0000313|Proteomes:UP000001366}.
FT DOMAIN 1..141
FT /note="RNase H type-1"
FT /evidence="ECO:0000259|PROSITE:PS50879"
FT BINDING 9
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 9
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 47
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 69
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 133
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
SQ SEQUENCE 145 AA; 17039 MW; 72A05ED603403128 CRC64;
MKKVEIFTDG SSLGNPGAGG WCAILRYNKH EKMIKGGKEN TTNNEMEIKA VLEALKILKE
PCEIDLYSDS EYVVKAMKEW IHNWAKNNWK TSKKKDVAHK DMWQEIYRLM QIHRINPIWV
KAHAGHRENE ICDRIAKKEA EKFRR
//
