ID D5ASQ4_RHOCB Unreviewed; 153 AA.
AC D5ASQ4;
DT 15-JUN-2010, integrated into UniProtKB/TrEMBL.
DT 15-JUN-2010, sequence version 1.
DT 27-MAR-2024, entry version 69.
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=rnhA2 {ECO:0000313|EMBL:ADE87145.1};
GN Synonyms=rnhA {ECO:0000256|HAMAP-Rule:MF_00042};
GN OrderedLocusNames=RCAP_rcc03421 {ECO:0000313|EMBL:ADE87145.1};
OS Rhodobacter capsulatus (strain ATCC BAA-309 / NBRC 16581 / SB1003).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Rhodobacter.
OX NCBI_TaxID=272942 {ECO:0000313|EMBL:ADE87145.1, ECO:0000313|Proteomes:UP000002361};
RN [1]
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=SB1003;
RA Strnad H., Lapidus A., Vlcek C., Ulbrich P., Paces J., Maltsev N.,
RA Kumar V., Kogan Y., Milgram A., Rebrekov D., Mazur M., Cox R., Kyrpides N.,
RA Kolar M., Sachova J., Ridl J., Ivanova N., Kapatral V., Los T., Lykidis A.,
RA Mikhailova N., Reznik G., Vasieva O., Fonstein M., Paces V., Haselkorn R.;
RT "Complete genome sequence of Rhodobacter capsulatus SB1003.";
RL Submitted (DEC-2008) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ADE87145.1, ECO:0000313|Proteomes:UP000002361}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-309 / NBRC 16581 / SB1003
RC {ECO:0000313|Proteomes:UP000002361};
RX PubMed=20418398; DOI=10.1128/JB.00366-10;
RA Strnad H., Lapidus A., Paces J., Ulbrich P., Vlcek C., Paces V.,
RA Haselkorn R.;
RT "Complete genome sequence of the photosynthetic purple nonsulfur bacterium
RT Rhodobacter capsulatus SB 1003.";
RL J. Bacteriol. 192:3545-3546(2010).
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; CP001312; ADE87145.1; -; Genomic_DNA.
DR RefSeq; WP_013069117.1; NC_014034.1.
DR AlphaFoldDB; D5ASQ4; -.
DR STRING; 272942.RCAP_rcc03421; -.
DR GeneID; 31492203; -.
DR KEGG; rcp:RCAP_rcc03421; -.
DR eggNOG; COG0328; Bacteria.
DR HOGENOM; CLU_030894_6_0_5; -.
DR OrthoDB; 7845843at2; -.
DR Proteomes; UP000002361; 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|ARBA:ARBA00022759, ECO:0000256|HAMAP-
KW Rule:MF_00042};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_00042, ECO:0000313|EMBL:ADE87145.1};
KW Magnesium {ECO:0000256|HAMAP-Rule:MF_00042};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00042};
KW Nuclease {ECO:0000256|ARBA:ARBA00022722, ECO:0000256|HAMAP-Rule:MF_00042};
KW Reference proteome {ECO:0000313|Proteomes:UP000002361}.
FT DOMAIN 1..146
FT /note="RNase H type-1"
FT /evidence="ECO:0000259|PROSITE:PS50879"
FT BINDING 9
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 9
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 52
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 74
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
FT BINDING 138
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00042"
SQ SEQUENCE 153 AA; 16746 MW; C90EF999633D3591 CRC64;
MSDLYAWTDG ACSGNPGPGG WGVLMRAMAD GKILKQKELS GGEADTTNNR MELMAAISAL
EALTRPSALT ITTDSAYVKN GIESWMHGWK RNGWKTADKK PVKNVDLWQR LDAAQARHKV
VWKWIKGHAG HAENERADEL ARAGMAPYKP AKG
//
