ID M9RGW2_9RHOB Unreviewed; 336 AA.
AC M9RGW2;
DT 26-JUN-2013, integrated into UniProtKB/TrEMBL.
DT 26-JUN-2013, sequence version 1.
DT 24-JAN-2024, entry version 55.
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:AGI70958.1};
GN ORFNames=OA238_c07390 {ECO:0000313|EMBL:AGI70958.1};
OS Octadecabacter arcticus 238.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Roseobacteraceae; Octadecabacter.
OX NCBI_TaxID=391616 {ECO:0000313|EMBL:AGI70958.1, ECO:0000313|Proteomes:UP000004688};
RN [1] {ECO:0000313|EMBL:AGI70958.1, ECO:0000313|Proteomes:UP000004688}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=238 {ECO:0000313|EMBL:AGI70958.1,
RC ECO:0000313|Proteomes:UP000004688};
RX PubMed=23671678;
RA Vollmers J., Voget S., Dietrich S., Gollnow K., Smits M., Meyer K.,
RA Brinkhoff T., Simon M., Daniel R.;
RT "Poles Apart: Arctic and Antarctic Octadecabacter strains Share High Genome
RT Plasticity and a New Type of Xanthorhodopsin.";
RL PLoS ONE 8:E63422-E63422(2013).
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; CP003742; AGI70958.1; -; Genomic_DNA.
DR RefSeq; WP_015494186.1; NC_020908.1.
DR AlphaFoldDB; M9RGW2; -.
DR STRING; 391616.OA238_c07390; -.
DR KEGG; oar:OA238_c07390; -.
DR eggNOG; COG2038; Bacteria.
DR HOGENOM; CLU_002982_0_1_5; -.
DR OrthoDB; 9781491at2; -.
DR UniPathway; UPA00061; UER00516.
DR Proteomes; UP000004688; 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 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:UP000004688};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00230}.
FT ACT_SITE 304
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00230"
SQ SEQUENCE 336 AA; 34048 MW; 4C94E1E391FF17ED CRC64;
MTAPFATLNE FRAMLEAATG PDMASIAGAK ARNGQLTKPP GALGRLEELA IWYASWRNTD
RPRIKNPQII VFAGNHGVCA QGVSAFPPEV TAQMVGNFEH GGAAINQLAK TFGATLNVHA
LELEMPTQDF TSAPAMSEVE VVIALMAGWD AVDPKADLLV TGEMGIGNTT SAAAVAAAVL
GGSAADWTGR GTGVDDDGLA RKTDAVARGL ALHDTSDPLE ALRCLGGREL AAMAGAIAAA
RHHRIPVILD GFICCAAAAT LEKAVAGSLD HAVAGHLSAE GAHEKLLVAL GKSPILALDL
RLGEGSGGAL AIGILQAAVA CHSGMATFAE AGVAAG
//
