ID A0A1Y2Q8M7_9SPHN Unreviewed; 352 AA.
AC A0A1Y2Q8M7;
DT 30-AUG-2017, integrated into UniProtKB/TrEMBL.
DT 30-AUG-2017, sequence version 1.
DT 27-MAR-2024, entry version 25.
DE RecName: Full=Ribonucleoside-diphosphate reductase subunit beta {ECO:0000256|PIRNR:PIRNR000355};
DE EC=1.17.4.1 {ECO:0000256|PIRNR:PIRNR000355};
GN ORFNames=CAP40_16175 {ECO:0000313|EMBL:OSZ64221.1};
OS Sphingomonas sp. IBVSS2.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Sphingomonas.
OX NCBI_TaxID=1985172 {ECO:0000313|EMBL:OSZ64221.1, ECO:0000313|Proteomes:UP000194216};
RN [1] {ECO:0000313|EMBL:OSZ64221.1, ECO:0000313|Proteomes:UP000194216}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IBVSS2 {ECO:0000313|EMBL:OSZ64221.1,
RC ECO:0000313|Proteomes:UP000194216};
RA Orr R.J.;
RT "Draft genome sequences of novel bacteria, isolated from environmental
RT samples.";
RL Submitted (MAY-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Provides the precursors necessary for DNA synthesis.
CC Catalyzes the biosynthesis of deoxyribonucleotides from the
CC corresponding ribonucleotides. {ECO:0000256|PIRNR:PIRNR000355}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[thioredoxin]-disulfide + a 2'-deoxyribonucleoside 5'-
CC diphosphate + H2O = [thioredoxin]-dithiol + a ribonucleoside 5'-
CC diphosphate; Xref=Rhea:RHEA:23252, Rhea:RHEA-COMP:10698, Rhea:RHEA-
CC COMP:10700, ChEBI:CHEBI:15377, ChEBI:CHEBI:29950, ChEBI:CHEBI:50058,
CC ChEBI:CHEBI:57930, ChEBI:CHEBI:73316; EC=1.17.4.1;
CC Evidence={ECO:0000256|PIRNR:PIRNR000355};
CC -!- COFACTOR:
CC Name=Fe cation; Xref=ChEBI:CHEBI:24875;
CC Evidence={ECO:0000256|PIRNR:PIRNR000355,
CC ECO:0000256|PIRSR:PIRSR000355-2};
CC Note=Binds 2 iron ions per subunit. {ECO:0000256|PIRNR:PIRNR000355,
CC ECO:0000256|PIRSR:PIRSR000355-2};
CC -!- SIMILARITY: Belongs to the ribonucleoside diphosphate reductase small
CC chain family. {ECO:0000256|ARBA:ARBA00009303,
CC ECO:0000256|PIRNR:PIRNR000355}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OSZ64221.1}.
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DR EMBL; NFUR01000005; OSZ64221.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Y2Q8M7; -.
DR STRING; 1985172.CAP40_16175; -.
DR OrthoDB; 9766544at2; -.
DR UniPathway; UPA00326; -.
DR Proteomes; UP000194216; Unassembled WGS sequence.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0004748; F:ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor; IEA:UniProtKB-EC.
DR GO; GO:0009263; P:deoxyribonucleotide biosynthetic process; IEA:UniProtKB-KW.
DR CDD; cd01049; RNRR2; 1.
DR Gene3D; 1.10.620.20; Ribonucleotide Reductase, subunit A; 1.
DR InterPro; IPR009078; Ferritin-like_SF.
DR InterPro; IPR012348; RNR-like.
DR InterPro; IPR033909; RNR_small.
DR InterPro; IPR000358; RNR_small_fam.
DR PANTHER; PTHR23409; RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE SMALL CHAIN; 1.
DR PANTHER; PTHR23409:SF18; RIBONUCLEOSIDE-DIPHOSPHATE REDUCTASE SUBUNIT M2; 1.
DR Pfam; PF00268; Ribonuc_red_sm; 1.
DR PIRSF; PIRSF000355; NrdB; 1.
DR SUPFAM; SSF47240; Ferritin-like; 1.
PE 3: Inferred from homology;
KW Deoxyribonucleotide synthesis {ECO:0000256|PIRNR:PIRNR000355};
KW Iron {ECO:0000256|PIRNR:PIRNR000355, ECO:0000256|PIRSR:PIRSR000355-2};
KW Metal-binding {ECO:0000256|PIRNR:PIRNR000355,
KW ECO:0000256|PIRSR:PIRSR000355-2};
KW Oxidoreductase {ECO:0000256|PIRNR:PIRNR000355};
KW Reference proteome {ECO:0000313|Proteomes:UP000194216}.
FT REGION 331..352
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 105
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-1"
FT BINDING 67
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 98
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 98
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 101
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 158
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 192
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 195
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
SQ SEQUENCE 352 AA; 40830 MW; 4D268AC84BBCC0DC CRC64;
MPLLEARKTY KPFEYPWAFE FWKRQQQIHW LPEEVPLGED CRDWAQKLTD HERNLLTQIF
RFFTQADVEV QDCYHEKYGR VFKPTEIKMM LTAFSNMETV HIAAYSHLLD TIGMPETEYA
AFLQYKEMKD KHDYLSTFGV DSDEDIAKTL AMFGGFTEGL QLFASFAMLM NFPRFNKMKG
MGQIVSWSVR DESLHCEGII KLFHAFCKER NCLTPSVRDD ILDMCQKTVR IEDAFIDLVF
EMGPVNGMTP KEIKKYVRYI ADWRLGQLGL KPIYMVEEHP LPWLAPLLNG VEHANFFETR
ATEYSKAATR GAWNEVWDSF DKRQKAKITP VANEDGGEGG PDMFSKAGIA AE
//
