ID I0BAW9_9BACL Unreviewed; 226 AA.
AC I0BAW9;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 24-JAN-2024, entry version 48.
DE RecName: Full=Ribonuclease H {ECO:0000256|PIRNR:PIRNR037839};
DE EC=3.1.26.4 {ECO:0000256|PIRNR:PIRNR037839};
GN ORFNames=B2K_02045 {ECO:0000313|EMBL:AFH59516.1};
OS Paenibacillus mucilaginosus K02.
OC Bacteria; Bacillota; Bacilli; Bacillales; Paenibacillaceae; Paenibacillus.
OX NCBI_TaxID=997761 {ECO:0000313|EMBL:AFH59516.1, ECO:0000313|Proteomes:UP000007392};
RN [1] {ECO:0000313|EMBL:AFH59516.1, ECO:0000313|Proteomes:UP000007392}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K02 {ECO:0000313|EMBL:AFH59516.1,
RC ECO:0000313|Proteomes:UP000007392};
RA Xiao B., Sun L., Xiao L., Lian B.;
RT "Complete genome sequence of Paenibacillus mucilaginosus K02.";
RL Submitted (JUN-2013) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000256|PIRNR:PIRNR037839}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Endonucleolytic cleavage to 5'-phosphomonoester.; EC=3.1.26.4;
CC Evidence={ECO:0000256|PIRNR:PIRNR037839};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|PIRSR:PIRSR037839-1};
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|PIRSR:PIRSR037839-1};
CC Note=Binds 2 metal ions per subunit. Manganese or magnesium.
CC {ECO:0000256|PIRSR:PIRSR037839-1};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|PIRNR:PIRNR037839}.
CC -!- SIMILARITY: Belongs to the RNase H family.
CC {ECO:0000256|PIRNR:PIRNR037839}.
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DR EMBL; CP003422; AFH59516.1; -; Genomic_DNA.
DR RefSeq; WP_014368275.1; NC_017672.3.
DR AlphaFoldDB; I0BAW9; -.
DR KEGG; pmw:B2K_02045; -.
DR PATRIC; fig|997761.3.peg.413; -.
DR HOGENOM; CLU_080985_1_0_9; -.
DR OrthoDB; 9811552at2; -.
DR Proteomes; UP000007392; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0003676; F:nucleic acid binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004523; F:RNA-DNA hybrid ribonuclease activity; IEA:UniProtKB-UniRule.
DR Gene3D; 3.30.420.10; Ribonuclease H-like superfamily/Ribonuclease H; 1.
DR Gene3D; 3.40.970.10; Ribonuclease H1, N-terminal domain; 1.
DR InterPro; IPR009027; Ribosomal_bL9/RNase_H1_N.
DR InterPro; IPR011320; RNase_H1_N.
DR InterPro; IPR037056; RNase_H1_N_sf.
DR InterPro; IPR017290; RNase_H_bac.
DR InterPro; IPR012337; RNaseH-like_sf.
DR InterPro; IPR002156; RNaseH_domain.
DR InterPro; IPR036397; RNaseH_sf.
DR Pfam; PF01693; Cauli_VI; 1.
DR PIRSF; PIRSF037839; Ribonuclease_H; 1.
DR SUPFAM; SSF55658; L9 N-domain-like; 1.
DR SUPFAM; SSF53098; Ribonuclease H-like; 1.
DR PROSITE; PS50879; RNASE_H_1; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|PIRNR:PIRNR037839};
KW Endonuclease {ECO:0000256|PIRNR:PIRNR037839};
KW Hydrolase {ECO:0000256|PIRNR:PIRNR037839};
KW Magnesium {ECO:0000256|PIRNR:PIRNR037839, ECO:0000256|PIRSR:PIRSR037839-1};
KW Manganese {ECO:0000256|PIRSR:PIRSR037839-1};
KW Metal-binding {ECO:0000256|PIRNR:PIRNR037839,
KW ECO:0000256|PIRSR:PIRSR037839-1}; Nuclease {ECO:0000256|PIRNR:PIRNR037839}.
FT DOMAIN 92..226
FT /note="RNase H type-1"
FT /evidence="ECO:0000259|PROSITE:PS50879"
FT BINDING 101
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR037839-1"
FT BINDING 139
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR037839-1"
FT BINDING 162
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR037839-1"
FT BINDING 222
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR037839-1"
SQ SEQUENCE 226 AA; 24445 MW; 03358E1AC8E2F8EC CRC64;
MTKSKWYVVW EGRQPGVYKT WAECQAQTSG FPQAKFKAYE SEAEAKAMLA AGWKKAFSAA
QKAGVSGGAG TAGSRGGGAR AAADAARASG TEADLDSLSV DVGCSGNPGI VEYKGVHTRT
GEVLFEHAPI SKGTNNMGEF LAIVHGLAYL KQKGSSMTIY SDSMTAIAWV RNKKVASTLV
RDASTKEIWT LVDRAEEWIR QNTWPNKILK WNTKAWGEIK ADYGRK
//
