ID L0M6V2_ENTBF Unreviewed; 198 AA.
AC L0M6V2;
DT 06-MAR-2013, integrated into UniProtKB/TrEMBL.
DT 06-MAR-2013, sequence version 1.
DT 27-MAR-2024, entry version 61.
DE RecName: Full=Ribonuclease HII {ECO:0000256|HAMAP-Rule:MF_00052};
DE Short=RNase HII {ECO:0000256|HAMAP-Rule:MF_00052};
DE EC=3.1.26.4 {ECO:0000256|HAMAP-Rule:MF_00052};
GN Name=rnhB {ECO:0000256|HAMAP-Rule:MF_00052};
GN OrderedLocusNames=D782_3688 {ECO:0000313|EMBL:AGB79598.1};
OS Enterobacteriaceae bacterium (strain FGI 57).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae.
OX NCBI_TaxID=693444 {ECO:0000313|EMBL:AGB79598.1, ECO:0000313|Proteomes:UP000011002};
RN [1] {ECO:0000313|EMBL:AGB79598.1, ECO:0000313|Proteomes:UP000011002}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=FGI 57 {ECO:0000313|EMBL:AGB79598.1,
RC ECO:0000313|Proteomes:UP000011002};
RX PubMed=23469353; DOI=10.1128/genomeA.00238-12;
RA Aylward F.O., Tremmel D.M., Bruce D.C., Chain P., Chen A.,
RA Walston Davenport K., Detter C., Han C.S., Han J., Huntemann M.,
RA Ivanova N.N., Kyrpides N.C., Markowitz V., Mavrommatis K., Nolan M.,
RA Pagani I., Pati A., Pitluck S., Deshpande S., Goodwin L., Woyke T.,
RA Currie C.R.;
RT "Complete genome of Enterobacteriaceae bacterium strain FGI 57, a strain
RT associated with leaf-cutter ant fungus gardens.";
RL Genome Announc. 1:E00238-12(2013).
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000256|ARBA:ARBA00004065, ECO:0000256|HAMAP-
CC Rule:MF_00052, ECO:0000256|RuleBase:RU003515}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC Evidence={ECO:0000256|ARBA:ARBA00000077, ECO:0000256|HAMAP-
CC Rule:MF_00052, ECO:0000256|PROSITE-ProRule:PRU01319,
CC ECO:0000256|RuleBase:RU003515};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00052,
CC ECO:0000256|PROSITE-ProRule:PRU01319};
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00052,
CC ECO:0000256|PROSITE-ProRule:PRU01319};
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:0000256|HAMAP-Rule:MF_00052, ECO:0000256|PROSITE-
CC ProRule:PRU01319};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00052}.
CC -!- SIMILARITY: Belongs to the RNase HII family.
CC {ECO:0000256|ARBA:ARBA00007383, ECO:0000256|HAMAP-Rule:MF_00052,
CC ECO:0000256|RuleBase:RU003515}.
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DR EMBL; CP003938; AGB79598.1; -; Genomic_DNA.
DR AlphaFoldDB; L0M6V2; -.
DR STRING; 693444.D782_3688; -.
DR KEGG; ebf:D782_3688; -.
DR PATRIC; fig|693444.3.peg.3510; -.
DR eggNOG; COG0164; Bacteria.
DR HOGENOM; CLU_036532_3_2_6; -.
DR OrthoDB; 9803420at2; -.
DR Proteomes; UP000011002; Chromosome.
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:UniProtKB-UniRule.
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; Ribonuclease H-like superfamily/Ribonuclease H; 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; RIBONUCLEASE H2 SUBUNIT A; 1.
DR PANTHER; PTHR10954:SF18; RIBONUCLEASE HII; 1.
DR Pfam; PF01351; RNase_HII; 1.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
DR PROSITE; PS51975; RNASE_H_2; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00052};
KW Endonuclease {ECO:0000256|ARBA:ARBA00022759, ECO:0000256|HAMAP-
KW Rule:MF_00052};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00052};
KW Manganese {ECO:0000256|ARBA:ARBA00023211, ECO:0000256|HAMAP-Rule:MF_00052};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00052};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|HAMAP-Rule:MF_00052};
KW Reference proteome {ECO:0000313|Proteomes:UP000011002}.
FT DOMAIN 10..198
FT /note="RNase H type-2"
FT /evidence="ECO:0000259|PROSITE:PS51975"
FT BINDING 16
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00052,
FT ECO:0000256|PROSITE-ProRule:PRU01319"
FT BINDING 17
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00052,
FT ECO:0000256|PROSITE-ProRule:PRU01319"
FT BINDING 108
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00052,
FT ECO:0000256|PROSITE-ProRule:PRU01319"
SQ SEQUENCE 198 AA; 21416 MW; 03EE9932D7589825 CRC64;
MIEFVYPHTH LVAGVDEVGR GPLVGAVVTA AVILDPARPI VGLNDSKKLS EKRRLALFDE
IKEKALCWSL GRAEPHEIDE LNILHATMLA MQRAVAGLSI APEYVLIDGN RCPALPMPSM
AVVKGDSRVA EISAASIIAK VTRDAEMAAL DGIFPQYGFA QHKGYPTAFH LEKLAEYGAT
EHHRRSFGPV KQALGLVS
//
