COBT_VIBVU
ID COBT_VIBVU Reviewed; 342 AA.
AC Q8D921;
DT 25-JUL-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2003, sequence version 1.
DT 25-MAY-2022, entry version 113.
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=VV1_2788;
OS Vibrio vulnificus (strain CMCP6).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC Vibrio.
OX NCBI_TaxID=216895;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CMCP6;
RA Rhee J.H., Kim S.Y., Chung S.S., Kim J.J., Moon Y.H., Jeong H., Choy H.E.;
RT "Complete genome sequence of Vibrio vulnificus CMCP6.";
RL Submitted (DEC-2002) 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; AE016795; AAO11130.1; -; Genomic_DNA.
DR RefSeq; WP_011080624.1; NC_004459.3.
DR AlphaFoldDB; Q8D921; -.
DR SMR; Q8D921; -.
DR EnsemblBacteria; AAO11130; AAO11130; VV1_2788.
DR KEGG; vvu:VV1_2788; -.
DR HOGENOM; CLU_002982_0_0_6; -.
DR OMA; AWMRKCA; -.
DR UniPathway; UPA00061; UER00516.
DR Proteomes; UP000002275; Chromosome 1.
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..342
FT /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT phosphoribosyltransferase"
FT /id="PRO_0000167077"
FT ACT_SITE 311
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ SEQUENCE 342 AA; 36043 MW; F4705C0B89B57791 CRC64;
MLEQQFAAEI QHIIDNKTKP LGALGQLEQV ALQLALIQSQ GKEQAATHIE LKQPQMLLFA
GDHGVADEGV SIAPSAVTQQ MVLNFLAGGA AINCFCALHS IDLTVVDCGI LLPVDSDAPN
LILRRLGSRT ANFAFESAMT IEQVEQALRN GQQIAAEKIA QGADLLMFGE MGIANTSSAA
ALLSALSGHE VDHCVGRGTG INEEQLSHKI KVVAQGVGRC EGLSVNAILA EVGGFEIVTM
AGAFIAAAEH KTPVLVDGFI VSVAAYIATL LKPEVRDYLL FAHRSEEQGH QIVLSLLEAK
PLLDLGLRLG EGTGAALAYP LLKAAAQFYN NMASFESAGV TV