ID A0A0N6W738_9MICO Unreviewed; 173 AA.
AC A0A0N6W738;
DT 20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT 20-JAN-2016, sequence version 1.
DT 27-MAR-2024, entry version 37.
DE RecName: Full=Ribonuclease H {ECO:0000256|ARBA:ARBA00012180, ECO:0000256|HAMAP-Rule:MF_00042};
DE Short=RNase H {ECO:0000256|HAMAP-Rule:MF_00042};
DE EC=3.1.26.4 {ECO:0000256|ARBA:ARBA00012180, ECO:0000256|HAMAP-Rule:MF_00042};
GN Name=rnhA {ECO:0000256|HAMAP-Rule:MF_00042};
GN ORFNames=NI26_13560 {ECO:0000313|EMBL:AIV40875.1};
OS Curtobacterium sp. MR_MD2014.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Microbacteriaceae;
OC Curtobacterium.
OX NCBI_TaxID=1561023 {ECO:0000313|EMBL:AIV40875.1, ECO:0000313|Proteomes:UP000069933};
RN [1] {ECO:0000313|Proteomes:UP000069933}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MR_MD2014 {ECO:0000313|Proteomes:UP000069933};
RA Mariita R.M., Bhatgnagar S., Hanselmann K., Hossain M.J., Dawson S.C.,
RA Korlach J., Boitano M., Liles M.R., Moss A.G., Leadbetter J.R.,
RA Newman D.K.;
RT "Isolation and characterization of species affiliated with family
RT Actinomycetaceae.";
RL Submitted (OCT-2014) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:AIV40875.1, ECO:0000313|Proteomes:UP000069933}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MR_MD2014 {ECO:0000313|EMBL:AIV40875.1,
RC ECO:0000313|Proteomes:UP000069933};
RX PubMed=26722011;
RA Mariita R.M., Bhatnagar S., Hanselmann K., Hossain M.J., Korlach J.,
RA Boitano M., Roberts R.J., Liles M.R., Moss A.G., Leadbetter J.R.,
RA Newman D.K., Dawson S.C.;
RT "Complete Genome Sequence of Curtobacterium sp. Strain MR_MD2014, Isolated
RT from Topsoil in Woods Hole, Massachusetts.";
RL Genome Announc. 3:0-0(2015).
CC -!- FUNCTION: Endonuclease that specifically degrades the RNA of RNA-DNA
CC hybrids. {ECO:0000256|HAMAP-Rule:MF_00042}.
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_00042};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|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:0000256|HAMAP-
CC Rule:MF_00042};
CC -!- SUBUNIT: Monomer. {ECO:0000256|ARBA:ARBA00011245, ECO:0000256|HAMAP-
CC Rule:MF_00042}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00042}.
CC -!- SIMILARITY: Belongs to the RNase H family.
CC {ECO:0000256|ARBA:ARBA00005300, ECO:0000256|HAMAP-Rule:MF_00042}.
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DR EMBL; CP009755; AIV40875.1; -; Genomic_DNA.
DR RefSeq; WP_066656346.1; NZ_CP009755.1.
DR AlphaFoldDB; A0A0N6W738; -.
DR STRING; 1561023.NI26_13560; -.
DR KEGG; cum:NI26_13560; -.
DR PATRIC; fig|1561023.3.peg.2799; -.
DR OrthoDB; 7845843at2; -.
DR Proteomes; UP000069933; 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 {ECO:0000256|HAMAP-Rule:MF_00042};
KW Endonuclease {ECO:0000256|HAMAP-Rule:MF_00042};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_00042, ECO:0000313|EMBL:AIV40875.1};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00042};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00042};
KW Nuclease {ECO:0000256|HAMAP-Rule:MF_00042};
KW Reference proteome {ECO:0000313|Proteomes:UP000069933}.
FT DOMAIN 1..138
FT /note="RNase H type-1"
FT /evidence="ECO:0000259|PROSITE:PS50879"
FT BINDING 8
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 8
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 43
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 66
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 130
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
SQ SEQUENCE 173 AA; 18802 MW; FDBF47358894C5B0 CRC64;
MTIVAAADGS ALGNPGPAGW AWYVDDDRWA AGGWPRATNN IGELTAVLQL LRATKDTGEP
LHILCDSQYA IKACTEWLAG WKRKGWRKAD GKPVLNVEII KELDAELQGR KVTFEWVRGH
VGHEMNEAAD VRARGAATAF QNRTEVPTGP GWPDTVVPPA PEPVQVEPPA TLF
//
