ID   COBT_BRADU              Reviewed;         350 AA.
AC   Q89Q54;
DT   25-JUL-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   25-MAY-2022, entry version 105.
DE   RecName: Full=Nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase {ECO:0000255|HAMAP-Rule:MF_00230};
DE            Short=NN:DBI PRT {ECO:0000255|HAMAP-Rule:MF_00230};
DE            EC=2.4.2.21 {ECO:0000255|HAMAP-Rule:MF_00230};
DE   AltName: Full=N(1)-alpha-phosphoribosyltransferase {ECO:0000255|HAMAP-Rule:MF_00230};
GN   Name=cobT {ECO:0000255|HAMAP-Rule:MF_00230}; Synonyms=cobU;
GN   OrderedLocusNames=blr3276;
OS   Bradyrhizobium diazoefficiens (strain JCM 10833 / BCRC 13528 / IAM 13628 /
OS   NBRC 14792 / USDA 110).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Bradyrhizobiaceae; Bradyrhizobium.
OX   NCBI_TaxID=224911;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JCM 10833 / BCRC 13528 / IAM 13628 / NBRC 14792 / USDA 110;
RX   PubMed=12597275; DOI=10.1093/dnares/9.6.189;
RA   Kaneko T., Nakamura Y., Sato S., Minamisawa K., Uchiumi T., Sasamoto S.,
RA   Watanabe A., Idesawa K., Iriguchi M., Kawashima K., Kohara M.,
RA   Matsumoto M., Shimpo S., Tsuruoka H., Wada T., Yamada M., Tabata S.;
RT   "Complete genomic sequence of nitrogen-fixing symbiotic bacterium
RT   Bradyrhizobium japonicum USDA110.";
RL   DNA Res. 9:189-197(2002).
CC   -!- FUNCTION: Catalyzes the synthesis of alpha-ribazole-5'-phosphate from
CC       nicotinate mononucleotide (NAMN) and 5,6-dimethylbenzimidazole (DMB).
CC       {ECO:0000255|HAMAP-Rule:MF_00230}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5,6-dimethylbenzimidazole + nicotinate beta-D-ribonucleotide =
CC         alpha-ribazole 5'-phosphate + H(+) + nicotinate;
CC         Xref=Rhea:RHEA:11196, ChEBI:CHEBI:15378, ChEBI:CHEBI:15890,
CC         ChEBI:CHEBI:32544, ChEBI:CHEBI:57502, ChEBI:CHEBI:57918; EC=2.4.2.21;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00230};
CC   -!- PATHWAY: Nucleoside biosynthesis; alpha-ribazole biosynthesis; alpha-
CC       ribazole from 5,6-dimethylbenzimidazole: step 1/2. {ECO:0000255|HAMAP-
CC       Rule:MF_00230}.
CC   -!- SIMILARITY: Belongs to the CobT family. {ECO:0000255|HAMAP-
CC       Rule:MF_00230}.
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DR   EMBL; BA000040; BAC48541.1; -; Genomic_DNA.
DR   RefSeq; NP_769916.1; NC_004463.1.
DR   RefSeq; WP_011086060.1; NZ_CP011360.1.
DR   AlphaFoldDB; Q89Q54; -.
DR   SMR; Q89Q54; -.
DR   STRING; 224911.27351535; -.
DR   EnsemblBacteria; BAC48541; BAC48541; BAC48541.
DR   GeneID; 64023026; -.
DR   KEGG; bja:blr3276; -.
DR   PATRIC; fig|224911.44.peg.2921; -.
DR   eggNOG; COG2038; Bacteria.
DR   HOGENOM; CLU_002982_0_1_5; -.
DR   InParanoid; Q89Q54; -.
DR   OMA; AIWYAGW; -.
DR   PhylomeDB; Q89Q54; -.
DR   UniPathway; UPA00061; UER00516.
DR   Proteomes; UP000002526; Chromosome.
DR   GO; GO:0008939; F:nicotinate-nucleotide-dimethylbenzimidazole phosphoribosyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009236; P:cobalamin biosynthetic process; IEA:UniProtKB-KW.
DR   CDD; cd02439; DMB-PRT_CobT; 1.
DR   Gene3D; 1.10.1610.10; -; 1.
DR   Gene3D; 3.40.50.10210; -; 1.
DR   HAMAP; MF_00230; CobT; 1.
DR   InterPro; IPR003200; Nict_dMeBzImd_PRibTrfase.
DR   InterPro; IPR017846; Nict_dMeBzImd_PRibTrfase_bact.
DR   InterPro; IPR023195; Nict_dMeBzImd_PRibTrfase_N.
DR   InterPro; IPR036087; Nict_dMeBzImd_PRibTrfase_sf.
DR   Pfam; PF02277; DBI_PRT; 1.
DR   SUPFAM; SSF52733; SSF52733; 1.
DR   TIGRFAMs; TIGR03160; cobT_DBIPRT; 1.
PE   3: Inferred from homology;
KW   Cobalamin biosynthesis; Glycosyltransferase; Reference proteome;
KW   Transferase.
FT   CHAIN           1..350
FT                   /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT                   phosphoribosyltransferase"
FT                   /id="PRO_0000167037"
FT   ACT_SITE        316
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ   SEQUENCE   350 AA;  35992 MW;  F2BBBA603C3D6C3E CRC64;
     MLPEWVYHKC PEISAVHRDA AIVRQAQLTK PTGALGRLEQ LAIELAGLQA TEQPRAARVP
     IIIFAGDHGI VAQGVSAYPQ AVTIAMMANF ASGGAAISVL ARELGSHLEV VDAGTLSQDE
     MIGIVTDRPR HGTRDFSVEA ALTLAELAFA FEAGERAVAR AAASQPDLLI FGEMGIGNTT
     TSAAIAASLL GVSAEEIAGS GTGVDAAGRA HKARVIDAAI VRHGVAAASP EKILCAVGGL
     EIAAICGAII AAAQRRIPVL IDGFIVSVAA LAAVRLNPSC QPFLLPSHQS AEQGHRLVLR
     ALNVQPLISL DLRLGEGSGA AIALPLVRSA CALHNGMATF AQANVPDRPA