RNH21_METPP
ID RNH21_METPP Reviewed; 198 AA.
AC A2SMZ3;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-MAR-2007, sequence version 1.
DT 03-AUG-2022, entry version 89.
DE RecName: Full=Ribonuclease HII 1 {ECO:0000255|HAMAP-Rule:MF_00052};
DE Short=RNase HII 1 {ECO:0000255|HAMAP-Rule:MF_00052};
DE EC=3.1.26.4 {ECO:0000255|HAMAP-Rule:MF_00052};
GN Name=rnhB1 {ECO:0000255|HAMAP-Rule:MF_00052}; OrderedLocusNames=Mpe_B0154;
OS Methylibium petroleiphilum (strain ATCC BAA-1232 / LMG 22953 / PM1).
OG Plasmid RPME01.
OC Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales; Methylibium.
OX NCBI_TaxID=420662;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-1232 / LMG 22953 / PM1;
RX PubMed=17158667; DOI=10.1128/jb.01259-06;
RA Kane S.R., Chakicherla A.Y., Chain P.S.G., Schmidt R., Shin M.W.,
RA Legler T.C., Scow K.M., Larimer F.W., Lucas S.M., Richardson P.M.,
RA Hristova K.R.;
RT "Whole-genome analysis of the methyl tert-butyl ether-degrading beta-
RT proteobacterium Methylibium petroleiphilum PM1.";
RL J. Bacteriol. 189:1931-1945(2007).
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000255|HAMAP-Rule:MF_00052}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00052};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00052};
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00052};
CC Note=Manganese or magnesium. Binds 1 divalent metal ion per monomer in
CC the absence of substrate. May bind a second metal ion after substrate
CC binding. {ECO:0000255|HAMAP-Rule:MF_00052};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00052}.
CC -!- SIMILARITY: Belongs to the RNase HII family. {ECO:0000255|HAMAP-
CC Rule:MF_00052}.
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DR EMBL; CP000556; ABM96932.1; -; Genomic_DNA.
DR RefSeq; WP_011831547.1; NC_008826.1.
DR AlphaFoldDB; A2SMZ3; -.
DR SMR; A2SMZ3; -.
DR STRING; 420662.Mpe_B0154; -.
DR EnsemblBacteria; ABM96932; ABM96932; Mpe_B0154.
DR KEGG; mpt:Mpe_B0154; -.
DR eggNOG; COG0164; Bacteria.
DR HOGENOM; CLU_036532_3_2_4; -.
DR OMA; DGKHDYL; -.
DR OrthoDB; 1685277at2; -.
DR Proteomes; UP000000366; Plasmid RPME01.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003723; F:RNA 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; cd07182; RNase_HII_bacteria_HII_like; 1.
DR Gene3D; 3.30.420.10; -; 1.
DR HAMAP; MF_00052_B; RNase_HII_B; 1.
DR InterPro; IPR022898; RNase_HII.
DR InterPro; IPR001352; RNase_HII/HIII.
DR InterPro; IPR024567; RNase_HII/HIII_dom.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR036397; RNaseH_sf.
DR PANTHER; PTHR10954; PTHR10954; 1.
DR PANTHER; PTHR10954:SF18; PTHR10954:SF18; 1.
DR Pfam; PF01351; RNase_HII; 1.
DR SUPFAM; SSF53098; SSF53098; 1.
DR PROSITE; PS51975; RNASE_H_2; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Endonuclease; Hydrolase; Manganese; Metal-binding; Nuclease;
KW Plasmid; Reference proteome.
FT CHAIN 1..198
FT /note="Ribonuclease HII 1"
FT /id="PRO_0000334920"
FT DOMAIN 7..196
FT /note="RNase H type-2"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01319"
FT BINDING 13
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00052"
FT BINDING 14
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00052"
FT BINDING 105
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00052"
SQ SEQUENCE 198 AA; 21148 MW; 9E5E2111F40D38A0 CRC64;
MQSLHLELTA GVDEAGRGPL AGPVVAAAVI LDPSRPIDGL NDSKQLSAKR RDRLFDLIIE
RAAAYCIAEA SVEEIDRLNI LQATMLAMQR AIAGLSVTPQ LVLIDGNRSP LLPMRSEAIV
KGDARVTSIG AASILAKVHR DRLCAKLHET FPLYGFAVHK GYGTADHLAA LVQHGACPEH
RRTFSPVRAA LARAAAHA