ID   RNH_ANADF               Reviewed;         175 AA.
AC   A7HB50;
DT   29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT   11-SEP-2007, sequence version 1.
DT   03-AUG-2022, entry version 70.
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};
GN   OrderedLocusNames=Anae109_1743;
OS   Anaeromyxobacter sp. (strain Fw109-5).
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Myxococcales;
OC   Cystobacterineae; Anaeromyxobacteraceae; Anaeromyxobacter;
OC   unclassified Anaeromyxobacter.
OX   NCBI_TaxID=404589;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Fw109-5;
RX   PubMed=25614562; DOI=10.1128/genomea.01449-14;
RA   Hwang C., Copeland A., Lucas S., Lapidus A., Barry K., Glavina Del Rio T.,
RA   Dalin E., Tice H., Pitluck S., Sims D., Brettin T., Bruce D.C.,
RA   Detter J.C., Han C.S., Schmutz J., Larimer F.W., Land M.L., Hauser L.J.,
RA   Kyrpides N., Lykidis A., Richardson P., Belieav A., Sanford R.A.,
RA   Loeffler F.E., Fields M.W.;
RT   "Complete genome sequence of Anaeromyxobacter sp. Fw109-5, an anaerobic,
RT   metal-reducing bacterium isolated from a contaminated subsurface
RT   environment.";
RL   Genome Announc. 3:0-0(2015).
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; CP000769; ABS25946.1; -; Genomic_DNA.
DR   RefSeq; WP_012096521.1; NC_009675.1.
DR   AlphaFoldDB; A7HB50; -.
DR   SMR; A7HB50; -.
DR   STRING; 404589.Anae109_1743; -.
DR   EnsemblBacteria; ABS25946; ABS25946; Anae109_1743.
DR   KEGG; afw:Anae109_1743; -.
DR   eggNOG; COG0328; Bacteria.
DR   HOGENOM; CLU_030894_6_1_7; -.
DR   OMA; WATILRY; -.
DR   OrthoDB; 1953872at2; -.
DR   Proteomes; UP000006382; 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..175
FT                   /note="Ribonuclease H"
FT                   /id="PRO_0000332558"
FT   DOMAIN          5..154
FT                   /note="RNase H type-1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00408"
FT   BINDING         14
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT   BINDING         14
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT   BINDING         60
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT   BINDING         82
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT   BINDING         146
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
SQ   SEQUENCE   175 AA;  18717 MW;  8195483709903918 CRC64;
     MPADTPARYL AFADGSSLSN PGGPGGTGFV VVDRARPALR FGATRWVTDG TYAVTNNRME
     LRAVLEALDG LPEGEAVDVV SDSRYVVDAL SKWIHGWRKK GWRTAAGEPV LNRDLIEALD
     ARGRELRVRY SWVRGHDGHP VNEVVDALAQ SAARGATGPS EANVIEALRA AAVIG