COBT_XANCB
ID COBT_XANCB Reviewed; 348 AA.
AC B0RPU9;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 08-APR-2008, sequence version 1.
DT 25-MAY-2022, entry version 80.
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};
GN OrderedLocusNames=xcc-b100_1136;
OS Xanthomonas campestris pv. campestris (strain B100).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Xanthomonas.
OX NCBI_TaxID=509169;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B100;
RX PubMed=18304669; DOI=10.1016/j.jbiotec.2007.12.013;
RA Vorhoelter F.-J., Schneiker S., Goesmann A., Krause L., Bekel T.,
RA Kaiser O., Linke B., Patschkowski T., Rueckert C., Schmid J., Sidhu V.K.,
RA Sieber V., Tauch A., Watt S.A., Weisshaar B., Becker A., Niehaus K.,
RA Puehler A.;
RT "The genome of Xanthomonas campestris pv. campestris B100 and its use for
RT the reconstruction of metabolic pathways involved in xanthan
RT biosynthesis.";
RL J. Biotechnol. 134:33-45(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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; AM920689; CAP50484.1; -; Genomic_DNA.
DR AlphaFoldDB; B0RPU9; -.
DR SMR; B0RPU9; -.
DR KEGG; xca:xcc-b100_1136; -.
DR HOGENOM; CLU_002982_0_0_6; -.
DR OMA; AWMRKCA; -.
DR UniPathway; UPA00061; UER00516.
DR Proteomes; UP000001188; 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; Transferase.
FT CHAIN 1..348
FT /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT phosphoribosyltransferase"
FT /id="PRO_1000100482"
FT ACT_SITE 316
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ SEQUENCE 348 AA; 35973 MW; 93F7E0EE56CB5A2E CRC64;
MSIEWIQGAC AVPDARVQAA ALARQEQLTK PPGALGRLEQ LAVQFAAWQR NEQPTVQRIW
IAVYAADHGV AAEGVSMFPQ AVTGEMVRNF ARGGAAIAVL ARELGARLEV VNLGVVNDPG
ELSRVRRAWI APACANICEQ AAMTPAQLRD ALAAGAESIA QARTCGTQLF VGGEMGIGNS
TAAAALSCAL LSQFPQAMAG AGTGLDAEGI AHKATVITRA LAVHADAATP LERLRRLGGF
EIAALVGAYI AAAQAGIPVL VDGFISTAAA LVAVHLNPGV REWLLFGHRS QERGHAALLR
ALEAEPLLQL DLRLGEASGA AVAIPLLRTA CALHNGMATF AEAGVSDA