ID W6TGB5_9SPIR Unreviewed; 321 AA.
AC W6TGB5;
DT 16-APR-2014, integrated into UniProtKB/TrEMBL.
DT 16-APR-2014, sequence version 1.
DT 27-MAR-2024, entry version 42.
DE RecName: Full=Ribonucleoside-diphosphate reductase subunit beta {ECO:0000256|PIRNR:PIRNR000355};
DE EC=1.17.4.1 {ECO:0000256|PIRNR:PIRNR000355};
GN ORFNames=BDCR2A_01152 {ECO:0000313|EMBL:ETZ17957.1};
OS Borrelia duttonii CR2A.
OC Bacteria; Spirochaetota; Spirochaetia; Spirochaetales; Borreliaceae;
OC Borrelia.
OX NCBI_TaxID=1432657 {ECO:0000313|EMBL:ETZ17957.1, ECO:0000313|Proteomes:UP000019148};
RN [1] {ECO:0000313|EMBL:ETZ17957.1, ECO:0000313|Proteomes:UP000019148}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CR2A {ECO:0000313|EMBL:ETZ17957.1,
RC ECO:0000313|Proteomes:UP000019148};
RA Schwan T.G., Raffel S.J., Porcella S.F.;
RT "Comparative genomics of relapsing fever spirochetes.";
RL Submitted (DEC-2013) 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 -!- SUBUNIT: Tetramer of two alpha and two beta subunits.
CC {ECO:0000256|ARBA:ARBA00011209}.
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:ETZ17957.1}.
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DR EMBL; AZIT01000002; ETZ17957.1; -; Genomic_DNA.
DR RefSeq; WP_012539290.1; NZ_AZIT01000002.1.
DR AlphaFoldDB; W6TGB5; -.
DR PATRIC; fig|1432657.3.peg.1134; -.
DR UniPathway; UPA00326; -.
DR Proteomes; UP000019148; Unassembled WGS sequence.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-KW.
DR GO; GO:0005971; C:ribonucleoside-diphosphate reductase complex; IEA:InterPro.
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; IPR026494; RNR_NrdF-like.
DR InterPro; IPR033909; RNR_small.
DR InterPro; IPR000358; RNR_small_fam.
DR NCBIfam; TIGR04171; RNR_1b_NrdF; 1.
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 Membrane {ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|PIRNR:PIRNR000355,
KW ECO:0000256|PIRSR:PIRSR000355-2};
KW Oxidoreductase {ECO:0000256|PIRNR:PIRNR000355,
KW ECO:0000313|EMBL:ETZ17957.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000019148};
KW Transmembrane {ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|SAM:Phobius}.
FT TRANSMEM 150..174
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT ACT_SITE 104
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-1"
FT BINDING 66
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 97
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 97
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 100
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
FT BINDING 161
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"
FT BINDING 198
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000355-2"
SQ SEQUENCE 321 AA; 37468 MW; DC795DA0B6E35EA6 CRC64;
MRKNREAINW NRLNNGYTKM FWDQNIRQFW VDEEIPISDD KLVWNTLSVD ERDVYEKVLG
GLTLLDTEQG SVGMPRIALA IDNLDYKPIL GFMGAMEHMH AKSYSSIFSS LSNIDRIDYI
FDWVKTYRNY QEKLELILGK YNNIHDRMSL YQALCTSVFL ETFLFYSGFF YPLYLAGQGK
MVNSGEIINL ILRDESVHGV FVGLLAQEEF DKMTMKEQEL AYKEMLLILE KLYSLEREYT
KELYSCVGLE SAVDVFVRYN ADKALMNLGF DTKFNIKDTD VNPLVLNGLR TDTKTHDFFS
TKGNGYIKPM RVEPLHDDDF M
//
