ID Q2S3C1_SALRD Unreviewed; 194 AA.
AC Q2S3C1;
DT 24-JAN-2006, integrated into UniProtKB/TrEMBL.
DT 24-JAN-2006, sequence version 1.
DT 27-MAR-2024, entry version 118.
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:ABC45290.1};
GN OrderedLocusNames=SRU_1185 {ECO:0000313|EMBL:ABC45290.1};
OS Salinibacter ruber (strain DSM 13855 / M31).
OC Bacteria; Rhodothermota; Rhodothermia; Rhodothermales; Salinibacteraceae;
OC Salinibacter.
OX NCBI_TaxID=309807 {ECO:0000313|EMBL:ABC45290.1, ECO:0000313|Proteomes:UP000008674};
RN [1] {ECO:0000313|EMBL:ABC45290.1, ECO:0000313|Proteomes:UP000008674}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 13855 / CECT 5946 / M31
RC {ECO:0000313|Proteomes:UP000008674};
RX PubMed=16330755; DOI=10.1073/pnas.0509073102;
RA Mongodin E.F., Nelson K.E., Daugherty S., Deboy R.T., Wister J., Khouri H.,
RA Weidman J., Walsh D.A., Papke R.T., Sanchez Perez G., Sharma A.K.,
RA Nesbo C.L., MacLeod D., Bapteste E., Doolittle W.F., Charlebois R.L.,
RA Legault B., Rodriguez-Valera F.;
RT "The genome of Salinibacter ruber: convergence and gene exchange among
RT hyperhalophilic bacteria and archaea.";
RL Proc. Natl. Acad. Sci. U.S.A. 102:18147-18152(2005).
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; CP000159; ABC45290.1; -; Genomic_DNA.
DR RefSeq; YP_445310.1; NC_007677.1.
DR AlphaFoldDB; Q2S3C1; -.
DR STRING; 309807.SRU_1185; -.
DR EnsemblBacteria; ABC45290; ABC45290; SRU_1185.
DR KEGG; sru:SRU_1185; -.
DR PATRIC; fig|309807.25.peg.1231; -.
DR eggNOG; COG0328; Bacteria.
DR HOGENOM; CLU_030894_6_0_10; -.
DR OrthoDB; 7845843at2; -.
DR Proteomes; UP000008674; 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};
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:UP000008674}.
FT DOMAIN 46..191
FT /note="RNase H type-1"
FT /evidence="ECO:0000259|PROSITE:PS50879"
FT BINDING 55
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 55
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 96
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 118
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 183
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
SQ SEQUENCE 194 AA; 21688 MW; 8E6C82155C488074 CRC64;
MEVRGFALRP PCTQGFHGAF SARSWTCPAP PRTFESIRSL FCFFGFMNEV TIYTDGACSG
NPGPGGWAAI LLPDDDSDAT DPLTGGEPHT TNNRMELTAA LEALRALDDR SRVALHTDSE
YLSKAFNEGW LDSWQDNNWQ TSSNDDVKNQ DLWKALLEEA DRHEVDWVWV KGHADDELNI
MADELAVAAM EQYK
//
