ID   COBT_SALTO              Reviewed;         364 AA.
AC   A4XAM8;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   25-MAY-2022, entry version 87.
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=Strop_3546;
OS   Salinispora tropica (strain ATCC BAA-916 / DSM 44818 / CNB-440).
OC   Bacteria; Actinobacteria; Micromonosporales; Micromonosporaceae;
OC   Salinispora.
OX   NCBI_TaxID=369723;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-916 / DSM 44818 / CNB-440;
RX   PubMed=17563368; DOI=10.1073/pnas.0700962104;
RA   Udwary D.W., Zeigler L., Asolkar R.N., Singan V., Lapidus A., Fenical W.,
RA   Jensen P.R., Moore B.S.;
RT   "Genome sequencing reveals complex secondary metabolome in the marine
RT   actinomycete Salinispora tropica.";
RL   Proc. Natl. Acad. Sci. U.S.A. 104:10376-10381(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; CP000667; ABP55977.1; -; Genomic_DNA.
DR   AlphaFoldDB; A4XAM8; -.
DR   SMR; A4XAM8; -.
DR   STRING; 369723.Strop_3546; -.
DR   EnsemblBacteria; ABP55977; ABP55977; Strop_3546.
DR   KEGG; stp:Strop_3546; -.
DR   eggNOG; COG2038; Bacteria.
DR   HOGENOM; CLU_002982_0_0_11; -.
DR   OMA; AIWYAGW; -.
DR   UniPathway; UPA00061; UER00516.
DR   Proteomes; UP000000235; 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..364
FT                   /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT                   phosphoribosyltransferase"
FT                   /id="PRO_1000118971"
FT   ACT_SITE        332
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ   SEQUENCE   364 AA;  36374 MW;  EA35F9A065436F91 CRC64;
     MMLERTTAAI GPLDEQAMAT AADLQSRLTK PAGSLGVLEE LSVRLAGLAG VCPPPLPEPA
     AVAVFAGDHG VHAQGVTPWP QEVTGQMIGN FLAGGAVVNA FARQTGATVT VVDVGVAAPP
     TSIETAPPES ATASGARPRL VEANIRRGTR DLTVTAALTR DEARAAVETG IRVADELVDA
     GAAILLTGDM GIGNTTPAAA LIAVFAEADP ATVTGRGTGV DDPTHQRKIE VVRAALRRHE
     PDPADPLGVL AAVGGLEHAA LAGLILGAAA QRVPVLLDGV IADSAALAAA AFAPSATGAM
     VAGHRSVEPG ATVALRRLGL TPLVDLGLRL GEGTGALLAL PVVAGAVRVL HEVATFDSAG
     VAQK