RNH_CHLL3
ID RNH_CHLL3 Reviewed; 146 AA.
AC Q3B2H0;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 2.
DT 03-AUG-2022, entry version 89.
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=Plut_1607;
OS Chlorobium luteolum (strain DSM 273 / BCRC 81028 / 2530) (Pelodictyon
OS luteolum).
OC Bacteria; Chlorobi; Chlorobia; Chlorobiales; Chlorobiaceae;
OC Chlorobium/Pelodictyon group; Pelodictyon.
OX NCBI_TaxID=319225;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 273 / BCRC 81028 / 2530;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Bryant D., Schmutz J., Larimer F.,
RA Land M., Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of Pelodictyon luteolum DSM 273.";
RL Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
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}.
CC -!- SEQUENCE CAUTION:
CC Sequence=ABB24461.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; CP000096; ABB24461.1; ALT_INIT; Genomic_DNA.
DR RefSeq; WP_041463885.1; NC_007512.1.
DR AlphaFoldDB; Q3B2H0; -.
DR SMR; Q3B2H0; -.
DR STRING; 319225.Plut_1607; -.
DR EnsemblBacteria; ABB24461; ABB24461; Plut_1607.
DR KEGG; plt:Plut_1607; -.
DR eggNOG; COG0328; Bacteria.
DR HOGENOM; CLU_030894_6_2_10; -.
DR OrthoDB; 1953872at2; -.
DR Proteomes; UP000002709; 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.
FT CHAIN 1..146
FT /note="Ribonuclease H"
FT /id="PRO_0000332645"
FT DOMAIN 1..143
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:0000255|HAMAP-Rule:MF_00042"
FT BINDING 10
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 48
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 70
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 135
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
SQ SEQUENCE 146 AA; 16454 MW; 6305204D4050001E CRC64;
MQKKITIYTD GACSGNPGKG GWGAMLMYGD AVRELSGYSP ATTNNRMELT AAIEALRALK
EPCSVALYSD SSYVVNAFRE GWLDRWTRNN WKTAAKKNVE NTDLWKQILE LTARHTVTFH
KVKGHSDNPY NNRCDELARQ AIQKKP
