ID   COBT_PARD8              Reviewed;         346 AA.
AC   A6LIW6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 85.
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=BDI_3956;
OS   Parabacteroides distasonis (strain ATCC 8503 / DSM 20701 / CIP 104284 / JCM
OS   5825 / NCTC 11152).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Tannerellaceae;
OC   Parabacteroides.
OX   NCBI_TaxID=435591;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 8503 / DSM 20701 / CIP 104284 / JCM 5825 / NCTC 11152;
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; CP000140; ABR45630.1; -; Genomic_DNA.
DR   RefSeq; WP_005865457.1; NZ_LR215978.1.
DR   AlphaFoldDB; A6LIW6; -.
DR   SMR; A6LIW6; -.
DR   STRING; 435591.BDI_3956; -.
DR   EnsemblBacteria; ABR45630; ABR45630; BDI_3956.
DR   GeneID; 57237009; -.
DR   KEGG; pdi:BDI_3956; -.
DR   eggNOG; COG2038; Bacteria.
DR   HOGENOM; CLU_002982_0_0_10; -.
DR   OMA; AWMRKCA; -.
DR   OrthoDB; 1765140at2; -.
DR   BioCyc; PDIS435591:G1G5A-4067-MON; -.
DR   UniPathway; UPA00061; UER00516.
DR   Proteomes; UP000000566; 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..346
FT                   /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT                   phosphoribosyltransferase"
FT                   /id="PRO_1000021608"
FT   ACT_SITE        313
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ   SEQUENCE   346 AA;  37650 MW;  817C9CBC45D09A0F CRC64;
     MIQFHIEAPD KGLEAALQDK IDNLTKPKGS LGTLEALALQ VGLIQQTLSP VLRHPVNVIY
     ASDHGIADEG VSKSPKEVTR QVIHNFLNGG AGVCYLARQH GFELKIVDGG VDFDFPVIPQ
     LIDRKVRKGG TRNFLHEAAM TVEEMEKALQ YGADIVTDCY NEGCNVISFG EMGIGNTAAS
     SMWMTCLTQI PLIDCVGAGS GLDSEGVRHK YNVLKRSLEN YKGDGSALDV MRYFGGYEMV
     MAVGGMLRAA ELKMIILVDG FIMTNCVLVA SRLYPEMQSY CVFGHCGDEA GHKRVLDFLG
     AKALLDLGLR LGEGSGSVCA YPILDSAVRM INEMHSFKQA AITKYF