ID A0A1P8X215_9SPHN Unreviewed; 353 AA.
AC A0A1P8X215;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 36.
DE RecName: Full=Ribonucleoside-diphosphate reductase subunit beta {ECO:0000256|PIRNR:PIRNR000355};
DE EC=1.17.4.1 {ECO:0000256|PIRNR:PIRNR000355};
GN ORFNames=BWQ93_19275 {ECO:0000313|EMBL:AQA00356.1};
OS Sphingopyxis sp. QXT-31.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Sphingopyxis.
OX NCBI_TaxID=1357916 {ECO:0000313|EMBL:AQA00356.1, ECO:0000313|Proteomes:UP000188055};
RN [1] {ECO:0000313|EMBL:AQA00356.1, ECO:0000313|Proteomes:UP000188055}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=QXT-31 {ECO:0000313|EMBL:AQA00356.1,
RC ECO:0000313|Proteomes:UP000188055};
RA Liang J.S.;
RT "Microbe-microbe interactions indirectly alter the fate of arsenic in
RT presence of MnII.";
RL Submitted (JAN-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}.
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DR EMBL; CP019449; AQA00356.1; -; Genomic_DNA.
DR RefSeq; WP_077031892.1; NZ_CP019449.1.
DR AlphaFoldDB; A0A1P8X215; -.
DR STRING; 1357916.BWQ93_19275; -.
DR KEGG; sphq:BWQ93_19275; -.
DR OrthoDB; 9766544at2; -.
DR UniPathway; UPA00326; -.
DR Proteomes; UP000188055; Chromosome.
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:UP000188055}.
FT REGION 324..353
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 353 AA; 41010 MW; F9C881A2760B6ACA CRC64;
MPLLEARKTY KPFEYPWAFD FWKRQQQIHW VPEEVPLGED CRDWAQKISD HERNLLTQIF
RFFTQADIEV QDCYHEKYGR VFKPTEIKMM LTAFSNMETV HIAAYSHLLD TIGMPESEYG
MFLEYDEMRA KHDYMQQFGV ENDEDIARTL AMFGGFTEGL QLFASFAMLM NFPRFNKMKG
MGQIVSWSIR DESLHCEGII KLFHTFTKER GCLTKAVKED IIDTCQKTVR LEDAFIDLAF
EQGPVPGMTP KEIKRYIRYI ADWRLGQLGF QPIYMIDEHP LPWLAPLLNG VEHANFFETR
ATEYSKGATR GDWNTVWSSF DNRKKAKAND DGAASEADPD GEDMFAKAGI AAE
//
