ID   COBT_PHOV8              Reviewed;         345 AA.
AC   A6L518;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 83.
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=BVU_3150;
OS   Phocaeicola vulgatus (strain ATCC 8482 / DSM 1447 / JCM 5826 / CCUG 4940 /
OS   NBRC 14291 / NCTC 11154) (Bacteroides vulgatus).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC   Phocaeicola.
OX   NCBI_TaxID=435590;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 8482 / DSM 1447 / JCM 5826 / CCUG 4940 / NBRC 14291 / NCTC
RC   11154;
RX   PubMed=17579514; DOI=10.1371/journal.pbio.0050156;
RA   Xu J., Mahowald M.A., Ley R.E., Lozupone C.A., Hamady M., Martens E.C.,
RA   Henrissat B., Coutinho P.M., Minx P., Latreille P., Cordum H.,
RA   Van Brunt A., Kim K., Fulton R.S., Fulton L.A., Clifton S.W., Wilson R.K.,
RA   Knight R.D., Gordon J.I.;
RT   "Evolution of symbiotic bacteria in the distal human intestine.";
RL   PLoS Biol. 5:1574-1586(2007).
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; CP000139; ABR40782.1; -; Genomic_DNA.
DR   RefSeq; WP_005846445.1; NC_009614.1.
DR   AlphaFoldDB; A6L518; -.
DR   SMR; A6L518; -.
DR   STRING; 435590.BVU_3150; -.
DR   EnsemblBacteria; ABR40782; ABR40782; BVU_3150.
DR   GeneID; 66749925; -.
DR   KEGG; bvu:BVU_3150; -.
DR   eggNOG; COG2038; Bacteria.
DR   HOGENOM; CLU_002982_0_0_10; -.
DR   OMA; AWMRKCA; -.
DR   OrthoDB; 1765140at2; -.
DR   BioCyc; BVUL435590:G1G59-3273-MON; -.
DR   UniPathway; UPA00061; UER00516.
DR   Proteomes; UP000002861; 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..345
FT                   /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT                   phosphoribosyltransferase"
FT                   /id="PRO_1000021577"
FT   ACT_SITE        312
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ   SEQUENCE   345 AA;  37447 MW;  9BB2B531FC5070E3 CRC64;
     MKNFHIEYPD EGLREALIDK INNLTKPKGS LGVLEDLALQ IGLIQQTLSP TLSHPHNVLF
     AADHGIVEEG VSKSPKEITW QQLSNFLHGG AGVNFLCRQH GFKLVLVDSG VDYDLPYEKG
     IINCSVGRGT HSFLKGPAMS MEEMELCLER GAKITDMIHA DGCNVVSFGE MGIGNTSPSS
     VWMHLLTGIS LEQCVGAGSG LDSEGIRHKY NVLKQSVDHY AGDGSAKDII AWFGGYEMVM
     AIGGMLRAAE LRMIILVDGF IMTNCILAAS KLHPEVLSYA IFGHQGDETG HKLVLDAMKV
     RPLLNLGLRL GEGTGAICAY PIVVSSVNMM NEMDNFAHAS ITKYF