COBT_SHISS
ID COBT_SHISS Reviewed; 359 AA.
AC Q3Z0K4;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 27-SEP-2005, sequence version 1.
DT 25-MAY-2022, entry version 98.
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=SSON_2052;
OS Shigella sonnei (strain Ss046).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Shigella.
OX NCBI_TaxID=300269;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Ss046;
RX PubMed=16275786; DOI=10.1093/nar/gki954;
RA Yang F., Yang J., Zhang X., Chen L., Jiang Y., Yan Y., Tang X., Wang J.,
RA Xiong Z., Dong J., Xue Y., Zhu Y., Xu X., Sun L., Chen S., Nie H., Peng J.,
RA Xu J., Wang Y., Yuan Z., Wen Y., Yao Z., Shen Y., Qiang B., Hou Y., Yu J.,
RA Jin Q.;
RT "Genome dynamics and diversity of Shigella species, the etiologic agents of
RT bacillary dysentery.";
RL Nucleic Acids Res. 33:6445-6458(2005).
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; CP000038; AAZ88708.1; -; Genomic_DNA.
DR AlphaFoldDB; Q3Z0K4; -.
DR SMR; Q3Z0K4; -.
DR EnsemblBacteria; AAZ88708; AAZ88708; SSON_2052.
DR KEGG; ssn:SSON_2052; -.
DR HOGENOM; CLU_002982_0_0_6; -.
DR OMA; AIWYAGW; -.
DR UniPathway; UPA00061; UER00516.
DR Proteomes; UP000002529; 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..359
FT /note="Nicotinate-nucleotide--dimethylbenzimidazole
FT phosphoribosyltransferase"
FT /id="PRO_1000021636"
FT ACT_SITE 318
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00230"
SQ SEQUENCE 359 AA; 36863 MW; 62E0624479F325BA CRC64;
MQTLADLLNT IPAIDPAAMS RAQRHIDGLL KPVGSLGRLE ALAIQLAGMP GLNGVPHVGK
KAVLVMCADH GVWEEGVAIS PKEVTAIQAE NMTRGTTGVC VLAAQAGANV YVIDVGIDTA
EPIPGLINMR VARGSGNIAS APAMSRHLAE KLLLDVICYT RELAKNGVTL FGVGDLGMAN
TTPAAAIVST ITGRAPEEVV GIGANLPTDK LANKIDVVRR AITLNQPNPQ DGVDVLAKVG
GFDLVGMAGV MLGAASCGLP VLLDGFLSYA AALAACQMSP AIKPYLIPSH LSAEKGARIA
LSHLGLEPYL NMEMRLGEGS GAALAMPIIE AACAIYNNMG ELAASNIVLP GNTTSDLNS
