COBT_ACET2
ID COBT_ACET2 Reviewed; 351 AA.
AC A3DF00;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 20-MAR-2007, sequence version 1.
DT 03-AUG-2022, entry version 92.
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=Cthe_1297;
OS Acetivibrio thermocellus (strain ATCC 27405 / DSM 1237 / JCM 9322 / NBRC
OS 103400 / NCIMB 10682 / NRRL B-4536 / VPI 7372) (Clostridium thermocellum).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Oscillospiraceae;
OC Acetivibrio.
OX NCBI_TaxID=203119;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27405 / DSM 1237 / JCM 9322 / NBRC 103400 / NCIMB 10682 / NRRL
RC B-4536 / VPI 7372;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Chertkov O., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Wu J.H.D.,
RA Newcomb M., Richardson P.;
RT "Complete sequence of Clostridium thermocellum ATCC 27405.";
RL Submitted (FEB-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000568; ABN52529.1; -; Genomic_DNA.
DR RefSeq; WP_003517549.1; NC_009012.1.
DR AlphaFoldDB; A3DF00; -.
DR SMR; A3DF00; -.
DR STRING; 203119.Cthe_1297; -.
DR EnsemblBacteria; ABN52529; ABN52529; Cthe_1297.
DR KEGG; cth:Cthe_1297; -.
DR eggNOG; COG2038; Bacteria.
DR HOGENOM; CLU_002982_0_0_9; -.
DR OMA; AWMRKCA; -.
DR OrthoDB; 1765140at2; -.
DR UniPathway; UPA00061; UER00516.
DR Proteomes; UP000002145; 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..351
FT /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT phosphoribosyltransferase"
FT /id="PRO_1000021586"
FT ACT_SITE 315
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ SEQUENCE 351 AA; 37352 MW; BCC497D774030872 CRC64;
MLFQTLKSIG ELYKEPMDMV QRRLDSLSKP LGSLGRLEDI IKKLAGITGE VFPCVDKKAV
IIMCADNGVV EEGISSCPKD VTSKVTRNFL KGITAINAFA KHTGSDIVVV DIGVDDDMDC
EGIVKRKVRK GTWNIAKGPA MTRKEAIEAI EVGISIVEEL GRKGVNLLGT GEMGIGNTTT
SSAVSTVLTD SKAENMVGRG AGLSDEALKR KISIVKKAID LNRPDANDPI DVVSKVGGFD
IAGLAGCFIG AAACRIPILI DGFISATAAL AAVRMEPKVK NFIFPSHGSA EPGSKKVMEA
LGFEPILNLE MRVGEGTGAA LAFHIFDCAV SVYRNMGTFE DACIEQYQPQ V