ID E6YI17_BARC7 Unreviewed; 152 AA.
AC E6YI17;
DT 08-MAR-2011, integrated into UniProtKB/TrEMBL.
DT 08-MAR-2011, sequence version 1.
DT 27-MAR-2024, entry version 80.
DE RecName: Full=6,7-dimethyl-8-ribityllumazine synthase {ECO:0000256|ARBA:ARBA00012664, ECO:0000256|HAMAP-Rule:MF_00178};
DE Short=DMRL synthase {ECO:0000256|HAMAP-Rule:MF_00178};
DE Short=LS {ECO:0000256|HAMAP-Rule:MF_00178};
DE Short=Lumazine synthase {ECO:0000256|HAMAP-Rule:MF_00178};
DE EC=2.5.1.78 {ECO:0000256|ARBA:ARBA00012664, ECO:0000256|HAMAP-Rule:MF_00178};
GN Name=ribH {ECO:0000256|HAMAP-Rule:MF_00178,
GN ECO:0000313|EMBL:CBI76505.1};
GN OrderedLocusNames=BARCL_0824 {ECO:0000313|EMBL:CBI76505.1};
OS Bartonella clarridgeiae (strain CCUG 45776 / CIP 104772 / 73).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Bartonellaceae; Bartonella.
OX NCBI_TaxID=696125 {ECO:0000313|EMBL:CBI76505.1, ECO:0000313|Proteomes:UP000009101};
RN [1] {ECO:0000313|Proteomes:UP000009101}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CIP 104772 / 73 {ECO:0000313|Proteomes:UP000009101};
RA Engel P., Salzburger W., Marius L., Chao-Chin C., Soichi M., Christa L.,
RA Alexandra C., Aurelie L., Claudine M., Stephan S.C., Christoph D.;
RT "Genome sequencing of Bartonella species and comparative genomics.";
RL Submitted (NOV-2009) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:CBI76505.1, ECO:0000313|Proteomes:UP000009101}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CIP 104772 / 73 {ECO:0000313|Proteomes:UP000009101};
RX PubMed=21347280; DOI=10.1371/journal.pgen.1001296;
RA Engel P., Salzburger W., Liesch M., Chang C.C., Maruyama S., Lanz C.,
RA Calteau A., Lajus A., Medigue C., Schuster S.C., Dehio C.;
RT "Parallel evolution of a type IV secretion system in radiating lineages of
RT the host-restricted bacterial pathogen Bartonella.";
RL PLoS Genet. 7:E1001296-E1001296(2011).
CC -!- FUNCTION: Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by
CC condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2-
CC butanone 4-phosphate. This is the penultimate step in the biosynthesis
CC of riboflavin. {ECO:0000256|HAMAP-Rule:MF_00178}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(2S)-2-hydroxy-3-oxobutyl phosphate + 5-amino-6-(D-
CC ribitylamino)uracil = 6,7-dimethyl-8-(1-D-ribityl)lumazine + H(+) + 2
CC H2O + phosphate; Xref=Rhea:RHEA:26152, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:15934, ChEBI:CHEBI:43474,
CC ChEBI:CHEBI:58201, ChEBI:CHEBI:58830; EC=2.5.1.78;
CC Evidence={ECO:0000256|ARBA:ARBA00001697, ECO:0000256|HAMAP-
CC Rule:MF_00178};
CC -!- PATHWAY: Cofactor biosynthesis; riboflavin biosynthesis; riboflavin
CC from 2-hydroxy-3-oxobutyl phosphate and 5-amino-6-(D-
CC ribitylamino)uracil: step 1/2. {ECO:0000256|ARBA:ARBA00004917,
CC ECO:0000256|HAMAP-Rule:MF_00178}.
CC -!- SIMILARITY: Belongs to the DMRL synthase family.
CC {ECO:0000256|ARBA:ARBA00007424, ECO:0000256|HAMAP-Rule:MF_00178}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; FN645454; CBI76505.1; -; Genomic_DNA.
DR RefSeq; WP_013545143.1; NC_014932.1.
DR AlphaFoldDB; E6YI17; -.
DR STRING; 696125.BARCL_0824; -.
DR KEGG; bcd:BARCL_0824; -.
DR eggNOG; COG0054; Bacteria.
DR HOGENOM; CLU_089358_1_2_5; -.
DR OrthoDB; 9809709at2; -.
DR UniPathway; UPA00275; UER00404.
DR Proteomes; UP000009101; Chromosome.
DR GO; GO:0009349; C:riboflavin synthase complex; IEA:InterPro.
DR GO; GO:0000906; F:6,7-dimethyl-8-ribityllumazine synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IEA:UniProtKB-UniRule.
DR CDD; cd09209; Lumazine_synthase-I; 1.
DR Gene3D; 3.40.50.960; Lumazine/riboflavin synthase; 1.
DR HAMAP; MF_00178; Lumazine_synth; 1.
DR InterPro; IPR034964; LS.
DR InterPro; IPR002180; LS/RS.
DR InterPro; IPR036467; LS/RS_sf.
DR NCBIfam; TIGR00114; lumazine-synth; 1.
DR PANTHER; PTHR21058:SF0; 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE; 1.
DR PANTHER; PTHR21058; 6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE DMRL SYNTHASE LUMAZINE SYNTHASE; 1.
DR Pfam; PF00885; DMRL_synthase; 1.
DR SUPFAM; SSF52121; Lumazine synthase; 1.
PE 3: Inferred from homology;
KW Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619, ECO:0000256|HAMAP-
KW Rule:MF_00178};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00178}.
FT ACT_SITE 83
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 18
FT /ligand="5-amino-6-(D-ribitylamino)uracil"
FT /ligand_id="ChEBI:CHEBI:15934"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 49..51
FT /ligand="5-amino-6-(D-ribitylamino)uracil"
FT /ligand_id="ChEBI:CHEBI:15934"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 75..77
FT /ligand="5-amino-6-(D-ribitylamino)uracil"
FT /ligand_id="ChEBI:CHEBI:15934"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 80..81
FT /ligand="(2S)-2-hydroxy-3-oxobutyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58830"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 108
FT /ligand="5-amino-6-(D-ribitylamino)uracil"
FT /ligand_id="ChEBI:CHEBI:15934"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 122
FT /ligand="(2S)-2-hydroxy-3-oxobutyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58830"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
SQ SEQUENCE 152 AA; 16825 MW; DA537F5C3FEA344C CRC64;
MTKNTHKKLR ILIVEARFYD KISDSLLAGA VSVLKKAEVS YDIVTVPGAL EIPGAIVIAE
KNNEICYDGY VALGCVIRGE TYHFEIVADN SCRALMDLTI YQQLVIGNGI LTVEDEFQAW
DRVRDDEKNK GGFAAQAALC MIALKKKFGD NH
//