ID D5ALB1_RHOCB Unreviewed; 211 AA.
AC D5ALB1;
DT 15-JUN-2010, integrated into UniProtKB/TrEMBL.
DT 15-JUN-2010, sequence version 1.
DT 27-MAR-2024, entry version 73.
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:ADE83967.1};
GN OrderedLocusNames=RCAP_rcc00202 {ECO:0000313|EMBL:ADE83967.1};
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:ADE83967.1, 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:ADE83967.1, 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|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; CP001312; ADE83967.1; -; Genomic_DNA.
DR RefSeq; WP_013065949.1; NC_014034.1.
DR AlphaFoldDB; D5ALB1; -.
DR STRING; 272942.RCAP_rcc00202; -.
DR GeneID; 31489161; -.
DR KEGG; rcp:RCAP_rcc00202; -.
DR eggNOG; COG0164; Bacteria.
DR HOGENOM; CLU_036532_3_2_5; -.
DR OrthoDB; 9803420at2; -.
DR Proteomes; UP000002361; 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:UP000002361}.
FT DOMAIN 19..208
FT /note="RNase H type-2"
FT /evidence="ECO:0000259|PROSITE:PS51975"
FT BINDING 25
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 26
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 116
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 211 AA; 22413 MW; 9926709643508BC3 CRC64;
MSTAPDTRFE QAALARGFTR IAGVDEVGRG PLCGPVTAAA VVLDLSCLPE GLNDSKKLSA
KRRAALVAQI TATADVSVAH ASVAEIDALN ILQASHLAMI RAIEGLKTPP DHVLIDGNRL
PKALTISAEA IVKGDARSVS IAAASILAKE IRDALMVDLA QQYPGYGWER NAGYPTRDHL
QALLDLGVTP VHRRSFKPVH NILCQDISVT R
//