RNH_PARL1
ID RNH_PARL1 Reviewed; 150 AA.
AC A7HQX4;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 11-SEP-2007, sequence version 1.
DT 03-AUG-2022, entry version 76.
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=Plav_0684;
OS Parvibaculum lavamentivorans (strain DS-1 / DSM 13023 / NCIMB 13966).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Parvibaculaceae; Parvibaculum.
OX NCBI_TaxID=402881;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DS-1 / DSM 13023 / NCIMB 13966;
RX PubMed=22675581; DOI=10.4056/sigs.2215005;
RA Schleheck D., Weiss M., Pitluck S., Bruce D., Land M.L., Han S.,
RA Saunders E., Tapia R., Detter C., Brettin T., Han J., Woyke T., Goodwin L.,
RA Pennacchio L., Nolan M., Cook A.M., Kjelleberg S., Thomas T.;
RT "Complete genome sequence of Parvibaculum lavamentivorans type strain (DS-
RT 1(T)).";
RL Stand. Genomic Sci. 5:298-310(2011).
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; CP000774; ABS62307.1; -; Genomic_DNA.
DR RefSeq; WP_011995598.1; NC_009719.1.
DR AlphaFoldDB; A7HQX4; -.
DR SMR; A7HQX4; -.
DR STRING; 402881.Plav_0684; -.
DR EnsemblBacteria; ABS62307; ABS62307; Plav_0684.
DR KEGG; pla:Plav_0684; -.
DR eggNOG; COG0328; Bacteria.
DR HOGENOM; CLU_030894_6_0_5; -.
DR OMA; MQEIEIF; -.
DR OrthoDB; 1953872at2; -.
DR Proteomes; UP000006377; 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..150
FT /note="Ribonuclease H"
FT /id="PRO_0000332642"
FT DOMAIN 3..144
FT /note="RNase H type-1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00408"
FT BINDING 12
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 12
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 50
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 72
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 136
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
SQ SEQUENCE 150 AA; 16817 MW; 26382F498B66B8A2 CRC64;
MSGEDIVEIY TDGACSGNPG PGGWGVLMIY KDREKELCGG EQATTNNRME LMAAIQALEA
LKRDAHVRIH TDSNYVKDGI TKWIHGWKKN GWKNAAKQPV KNAELWRRLE AAISTHQVSW
HWVKGHSDHP ENDRADALAR QGMAPYLPSK
