COBT_ECODH
ID COBT_ECODH Reviewed; 359 AA.
AC B1X6S9;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, entry version 73.
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=ECDH10B_2135;
OS Escherichia coli (strain K12 / DH10B).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=316385;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / DH10B;
RX PubMed=18245285; DOI=10.1128/jb.01695-07;
RA Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B.,
RA Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B.,
RA Posfai G., Weinstock G.M., Blattner F.R.;
RT "The complete genome sequence of Escherichia coli DH10B: insights into the
RT biology of a laboratory workhorse.";
RL J. Bacteriol. 190:2597-2606(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 -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-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; CP000948; ACB03165.1; -; Genomic_DNA.
DR RefSeq; WP_001166160.1; NC_010473.1.
DR AlphaFoldDB; B1X6S9; -.
DR SMR; B1X6S9; -.
DR KEGG; ecd:ECDH10B_2135; -.
DR HOGENOM; CLU_002982_0_0_6; -.
DR OMA; AIWYAGW; -.
DR BioCyc; ECOL316385:ECDH10B_RS10900-MON; -.
DR UniPathway; UPA00061; UER00516.
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..359
FT /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT phosphoribosyltransferase"
FT /id="PRO_1000100463"
FT ACT_SITE 318
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ SEQUENCE 359 AA; 36987 MW; 6058C6465FAE55EF CRC64;
MQILADLLNT IPAIDSTAMS RAQRHIDGLL KPVGSLGKLE VLAIQLAGMP GLNGIPHVGK
KAVLVMCADH GVWEEGVAIS PKEVTAIQAE NMTRGTTGVC VLAEQAGANV HVIDVGIDTA
EPIPGLINMR VARGSGNIAS APAMSRRQAE KLLLDVICYT QELAKNGVTL FGVGELGMAN
TTPAAAIVST ITGRDPEEVV GIGANLPTDK LANKIDVVRR AITLNQPNPQ DGVDVLAKVG
GFDLVGIAGV MLGAASCGLP VLLDGFLSYA AALAACQMSP AIKPYLIPSH LSAEKGARIA
LSHLGLEPYL NMEMRLGEGS GAALAMPIIE AACAIYNNMG ELAASNIVLP GNTTSDLNS
