COBT_SHIB3
ID COBT_SHIB3 Reviewed; 361 AA.
AC B2TWR0;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-2008, sequence version 1.
DT 25-MAY-2022, entry version 71.
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=SbBS512_E0967;
OS Shigella boydii serotype 18 (strain CDC 3083-94 / BS512).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Shigella.
OX NCBI_TaxID=344609;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CDC 3083-94 / BS512;
RA Rasko D.A., Rosovitz M., Maurelli A.T., Myers G., Seshadri R., Cer R.,
RA Jiang L., Ravel J., Sebastian Y.;
RT "Complete sequence of Shigella boydii serotype 18 strain BS512.";
RL Submitted (MAY-2008) 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 -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00230}.
CC -!- SIMILARITY: Belongs to the CobT family. {ECO:0000255|HAMAP-
CC Rule:MF_00230}.
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DR EMBL; CP001063; ACD08529.1; -; Genomic_DNA.
DR RefSeq; WP_001193778.1; NC_010658.1.
DR AlphaFoldDB; B2TWR0; -.
DR SMR; B2TWR0; -.
DR STRING; 344609.SbBS512_E0967; -.
DR EnsemblBacteria; ACD08529; ACD08529; SbBS512_E0967.
DR KEGG; sbc:SbBS512_E0967; -.
DR HOGENOM; CLU_002982_0_0_6; -.
DR OMA; AIWYAGW; -.
DR UniPathway; UPA00061; UER00516.
DR Proteomes; UP000001030; 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..361
FT /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT phosphoribosyltransferase"
FT /id="PRO_1000100481"
FT ACT_SITE 320
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ SEQUENCE 361 AA; 37057 MW; 60865C14D6C6A950 CRC64;
MQTLADLLNT IPAIDPAAMS RAQRHIDGLL KPVGSLGRLE ALAIQLAGMP GLNGIPHVGK
KAVLVMCADH GVWEEGVAIS PKEVTAIQAE NMTRGTTGVC VLAAQAGANV HVVDVGIDSA
EPIPGLINMR VARGSGNIAS APAMSRRQAE KLLLDVICYT RELAKNGVTL FGVGELGMAN
TTPAAAAAIV STITGRDPEE VVGIGANLPT DKLANKIDVV RRAITLNQPN PQDGVDVLAK
VGGFDLVGMA GVMLGAASCG LPVLLDGFLS YAAALAACQM SPAIKPYLIP SHLSAEKGAR
IALSHLGLEP YLNMEMRLGE GSGAALAMPI IEAACAIYNN MGELAASNIV LPGNTTSDLN
S
