ID   COBT_CUPTR              Reviewed;         346 AA.
AC   B3R647;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 79.
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}; OrderedLocusNames=RALTA_A2442;
OS   Cupriavidus taiwanensis (strain DSM 17343 / BCRC 17206 / CCUG 44338 / CIP
OS   107171 / LMG 19424 / R1) (Ralstonia taiwanensis (strain LMG 19424)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Cupriavidus.
OX   NCBI_TaxID=977880;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17343 / BCRC 17206 / CCUG 44338 / CIP 107171 / LMG 19424 / R1;
RX   PubMed=18490699; DOI=10.1101/gr.076448.108;
RA   Amadou C., Pascal G., Mangenot S., Glew M., Bontemps C., Capela D.,
RA   Carrere S., Cruveiller S., Dossat C., Lajus A., Marchetti M., Poinsot V.,
RA   Rouy Z., Servin B., Saad M., Schenowitz C., Barbe V., Batut J., Medigue C.,
RA   Masson-Boivin C.;
RT   "Genome sequence of the beta-rhizobium Cupriavidus taiwanensis and
RT   comparative genomics of rhizobia.";
RL   Genome Res. 18:1472-1483(2008).
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; CU633749; CAQ70376.1; -; Genomic_DNA.
DR   RefSeq; WP_012353676.1; NC_010528.1.
DR   AlphaFoldDB; B3R647; -.
DR   SMR; B3R647; -.
DR   STRING; 977880.RALTA_A2442; -.
DR   EnsemblBacteria; CAQ70376; CAQ70376; RALTA_A2442.
DR   GeneID; 29761379; -.
DR   KEGG; cti:RALTA_A2442; -.
DR   eggNOG; COG2038; Bacteria.
DR   HOGENOM; CLU_002982_0_0_4; -.
DR   OMA; AWMRKCA; -.
DR   OrthoDB; 1765140at2; -.
DR   BioCyc; CTAI977880:RALTA_RS11875-MON; -.
DR   UniPathway; UPA00061; UER00516.
DR   Proteomes; UP000001692; Chromosome 1.
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; Transferase.
FT   CHAIN           1..346
FT                   /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT                   phosphoribosyltransferase"
FT                   /id="PRO_1000100460"
FT   ACT_SITE        312
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ   SEQUENCE   346 AA;  35728 MW;  3550BE441D24F8C4 CRC64;
     MQFPEIPPLD DALRPVLQAA IDDKTKPLGA LGRLEALALQ LGLIQGTARP VLRRPTVIVF
     AADHGVADAG VSAYPAEVTA QMVQNFLAGG AAINVFSRQH GIALEIVDAG VRVPLPAAPG
     LVNCRIADGT RNFANEPAMT PEQAAAAMTA GMARVLRHAQ QGCNVIGFGE MGIANTSAAA
     CLMQRLTGLP LEDCIGRGTG LDDAGLARKR EVLAGALARH ADAQAPLDVL ATFGGFEIAM
     MAGAFLAAAA SRMVILVDGF IATAALLVAQ RLDPNVLQYC VFTHCSHERG HRALLAQFDA
     APLLALDLRL GEGTGCALAW PLLASAAAFL NEMATFSGAG VSTASP