ID A0A3M0IC82_9ACTN Unreviewed; 359 AA.
AC A0A3M0IC82;
DT 13-FEB-2019, integrated into UniProtKB/TrEMBL.
DT 13-FEB-2019, sequence version 1.
DT 24-JAN-2024, entry version 19.
DE RecName: Full=Nicotinate-nucleotide--dimethylbenzimidazole phosphoribosyltransferase {ECO:0000256|ARBA:ARBA00015486, ECO:0000256|HAMAP-Rule:MF_00230};
DE Short=NN:DBI PRT {ECO:0000256|HAMAP-Rule:MF_00230};
DE EC=2.4.2.21 {ECO:0000256|ARBA:ARBA00011991, ECO:0000256|HAMAP-Rule:MF_00230};
DE AltName: Full=N(1)-alpha-phosphoribosyltransferase {ECO:0000256|ARBA:ARBA00030686, ECO:0000256|HAMAP-Rule:MF_00230};
GN Name=cobT {ECO:0000256|HAMAP-Rule:MF_00230,
GN ECO:0000313|EMBL:RMB87151.1};
GN ORFNames=CTZ28_04295 {ECO:0000313|EMBL:RMB87151.1};
OS Streptomyces shenzhenensis.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=943815 {ECO:0000313|EMBL:RMB87151.1, ECO:0000313|Proteomes:UP000270471};
RN [1] {ECO:0000313|EMBL:RMB87151.1, ECO:0000313|Proteomes:UP000270471}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=193 {ECO:0000313|EMBL:RMB87151.1,
RC ECO:0000313|Proteomes:UP000270471};
RA Siqueira K.A., Liotti R.G., Mendes T.A.O., Soares M.A.;
RT "Draft genome of actinobacteria isolated from guarana (Paullinia cupana
RT (Mart.) Ducke.";
RL Submitted (NOV-2017) 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:0000256|ARBA:ARBA00002197, ECO:0000256|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:0000256|ARBA:ARBA00001058, ECO:0000256|HAMAP-
CC Rule:MF_00230};
CC -!- PATHWAY: Nucleoside biosynthesis; alpha-ribazole biosynthesis; alpha-
CC ribazole from 5,6-dimethylbenzimidazole: step 1/2.
CC {ECO:0000256|ARBA:ARBA00005049, ECO:0000256|HAMAP-Rule:MF_00230}.
CC -!- SIMILARITY: Belongs to the CobT family. {ECO:0000256|ARBA:ARBA00007110,
CC ECO:0000256|HAMAP-Rule:MF_00230}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RMB87151.1}.
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DR EMBL; PENI01000002; RMB87151.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A3M0IC82; -.
DR OrthoDB; 9781491at2; -.
DR UniPathway; UPA00061; UER00516.
DR Proteomes; UP000270471; Unassembled WGS sequence.
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 NCBIfam; TIGR03160; cobT_DBIPRT; 1.
DR PANTHER; PTHR43463; NICOTINATE-NUCLEOTIDE--DIMETHYLBENZIMIDAZOLE PHOSPHORIBOSYLTRANSFERASE; 1.
DR PANTHER; PTHR43463:SF1; NICOTINATE-NUCLEOTIDE--DIMETHYLBENZIMIDAZOLE PHOSPHORIBOSYLTRANSFERASE; 1.
DR Pfam; PF02277; DBI_PRT; 1.
DR SUPFAM; SSF52733; Nicotinate mononucleotide:5,6-dimethylbenzimidazole phosphoribosyltransferase (CobT); 1.
PE 3: Inferred from homology;
KW Cobalamin biosynthesis {ECO:0000256|ARBA:ARBA00022573, ECO:0000256|HAMAP-
KW Rule:MF_00230};
KW Glycosyltransferase {ECO:0000256|ARBA:ARBA00022676, ECO:0000256|HAMAP-
KW Rule:MF_00230}; Reference proteome {ECO:0000313|Proteomes:UP000270471};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00230}.
FT ACT_SITE 323
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00230"
SQ SEQUENCE 359 AA; 37068 MW; 3C65E58AD4F12791 CRC64;
MSSLNLDDFT DLIERPDGGV RRDAEARRER LIVPPGSLGR LDDLGEWLSA AQGAVPVRPV
ERPRVVLFAG DHGIAGLGVS ARPAGSAGDL VRAILDGGSP VSVLARRLGV PVRVVDMALD
CAPDAFPKDV VRHRVRRGSG RIDIEDALTP EEAEAAFRAG IAVADEEADS GTDVVVLGDV
SVGGTTAAAV LVAALCGTDA SVVTGRGGLA IDDLAWMRKC AAIRDALRRA RPVLGDQLQL
LATVGGADLA AMTGFLLQCA VRKLPVILDG VVAAACALVG QRIAFRAPDW WLAGHDSGEP
GQAKALDRMA LEPLLKQGIT VGEGAGALLA LPLVQAAAAL SAELPENPPP APEQPPTEE
//
