ID A0A1H3HPN7_ALLWA Unreviewed; 351 AA.
AC A0A1H3HPN7;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 26.
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 ORFNames=SAMN05421644_13514 {ECO:0000313|EMBL:SDY17185.1};
OS Allochromatium warmingii (Chromatium warmingii).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Chromatiales; Chromatiaceae;
OC Allochromatium.
OX NCBI_TaxID=61595 {ECO:0000313|EMBL:SDY17185.1, ECO:0000313|Proteomes:UP000198672};
RN [1] {ECO:0000313|Proteomes:UP000198672}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 173 {ECO:0000313|Proteomes:UP000198672};
RA Varghese N., Submissions S.;
RL Submitted (OCT-2016) 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|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}.
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DR EMBL; FNOW01000035; SDY17185.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H3HPN7; -.
DR STRING; 61595.SAMN05421644_13514; -.
DR OrthoDB; 9781491at2; -.
DR UniPathway; UPA00061; UER00516.
DR Proteomes; UP000198672; 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:UP000198672};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00230}.
FT ACT_SITE 317
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00230"
SQ SEQUENCE 351 AA; 36290 MW; 1FBB67388A950995 CRC64;
MLLDWLNAPC HAIDHATAAA ARAHQDQLTK PRGSLGRLEE MAIRLAGMQG TATPSPDPVR
ILQFVSDHGV AAEGVSCFPR EVTVQMLHNI AQGGAAVSVM AKAIDAVMEI FDLGIAVDPG
PVVGVRSERL GAGTGNIAHE AAMTEEQLAA ALTIGRTAVE RAVAEGARLL ICGEMGIGNT
TPATALACAL LDLEPTLLTG PGTGLDAPGI AHKAQVIASA LQRHVEATST PLELLRRLGG
FDIAASAGAF IRAAQLGLPI LVDGFIISAA ALVAVRIQPN VRDWMLFAHG SAEPGHRHMM
AALNADPYLH LQMRLGEATG GATLVPLLRL ACVVHQQMAT FETAGVSSAA G
//