ID K8EGS0_CARML Unreviewed; 261 AA.
AC K8EGS0;
DT 06-FEB-2013, integrated into UniProtKB/TrEMBL.
DT 24-JUL-2013, sequence version 2.
DT 27-MAR-2024, entry version 60.
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 ECO:0000313|EMBL:CCO11038.2};
GN ORFNames=BN424_1597 {ECO:0000313|EMBL:CCO11038.2};
OS Carnobacterium maltaromaticum LMA28.
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Carnobacteriaceae;
OC Carnobacterium.
OX NCBI_TaxID=1234679 {ECO:0000313|EMBL:CCO11038.2, ECO:0000313|Proteomes:UP000000212};
RN [1] {ECO:0000313|Proteomes:UP000000212}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=LMA28 {ECO:0000313|Proteomes:UP000000212};
RX PubMed=23405327; DOI=10.1128/genomeA.00115-12;
RA Cailliez-Grimal C., Chaillou S., Anba-Mondoloni J., Loux V., Afzal M.I.,
RA Rahman A., Kergourlay G., Champomier-Verges M.C., Zagorec M., Dalgaard P.,
RA Leisner J.J., Prevost H., Revol-Junelles A.M., Borges F.;
RT "Complete Chromosome Sequence of Carnobacterium maltaromaticum LMA 28.";
RL Genome Announc. 1:0-0(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; HE999757; CCO11038.2; -; Genomic_DNA.
DR RefSeq; WP_015076299.1; NC_019425.2.
DR AlphaFoldDB; K8EGS0; -.
DR STRING; 1234679.BN424_1597; -.
DR KEGG; cml:BN424_1597; -.
DR eggNOG; COG0164; Bacteria.
DR HOGENOM; CLU_036532_2_1_9; -.
DR OrthoDB; 9803420at2; -.
DR Proteomes; UP000000212; 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:UP000000212}.
FT DOMAIN 73..261
FT /note="RNase H type-2"
FT /evidence="ECO:0000259|PROSITE:PS51975"
FT BINDING 79
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 80
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 171
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 261 AA; 28855 MW; 2042976EF665A240 CRC64;
MEKKQTIKEI KTILASITDA NDPRLIELKN DERKGTINAI KSWEKAQNKL VALEVKHQEM
LAYELAVWQD GRNYIAGIDE VGRGPLAGPV VAAAVILPHD FHVLEINDSK QLSESKRDEL
FDKIKDSALA IGIGIKDEGI IDQVNIYEAT KLAMIEAVEN LTIDPEHLLI DAMALDLPIP
QSKIIKGDTK SLSIAAASII AKVTRDRMMK EYAKMYPGYG FEKNAGYGTK VHLAGLDAQG
ITPIHRKSFS PVKELVLETT E
//