ID RNH_ALBFT Reviewed; 149 AA.
AC Q21YF6;
DT 29-APR-2008, integrated into UniProtKB/Swiss-Prot.
DT 18-APR-2006, sequence version 1.
DT 27-MAR-2024, entry version 90.
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=Rfer_1464;
OS Albidiferax ferrireducens (strain ATCC BAA-621 / DSM 15236 / T118)
OS (Rhodoferax ferrireducens).
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Rhodoferax.
OX NCBI_TaxID=338969;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-621 / DSM 15236 / T118;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Pitluck S., Brettin T., Bruce D.,
RA Han C., Tapia R., Gilna P., Kiss H., Schmutz J., Larimer F., Land M.,
RA Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of chromosome of Rhodoferax ferrireducens DSM 15236.";
RL Submitted (FEB-2006) 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}.
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DR EMBL; CP000267; ABD69197.1; -; Genomic_DNA.
DR RefSeq; WP_011463765.1; NC_007908.1.
DR AlphaFoldDB; Q21YF6; -.
DR SMR; Q21YF6; -.
DR STRING; 338969.Rfer_1464; -.
DR KEGG; rfr:Rfer_1464; -.
DR eggNOG; COG0328; Bacteria.
DR HOGENOM; CLU_030894_6_0_4; -.
DR OrthoDB; 7845843at2; -.
DR Proteomes; UP000008332; 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; Endonuclease; Hydrolase; Magnesium; Metal-binding; Nuclease;
KW Reference proteome.
FT CHAIN 1..149
FT /note="Ribonuclease H"
FT /id="PRO_0000332665"
FT DOMAIN 1..143
FT /note="RNase H type-1"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU00408"
FT BINDING 9
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 9
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 47
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00042"
FT BINDING 69
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 149 AA; 16514 MW; 39748A15DA44F777 CRC64;
MNAVEIYTDG ACKGNPGPGG WGAFLKSADS QKELFGGELG TTNNRMEMTA VIEALAALKR
PCQVTLHVDS QYVLKGMTEW LAGWKARGWK TAAKQPVKNV DLWQRLDELV STSGHRIDWR
WVRGHNGDPG NEHADMLANR GVELALRQR
//
