ID A0A0S2DLM3_LYSEN Unreviewed; 155 AA.
AC A0A0S2DLM3;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 27-MAR-2024, entry version 37.
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:ALN59493.1};
GN ORFNames=BV903_005220 {ECO:0000313|EMBL:UZW61705.1}, FE772_20355
GN {ECO:0000313|EMBL:QCW27640.1}, GLE_4151 {ECO:0000313|EMBL:ALN59493.1};
OS Lysobacter enzymogenes.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Lysobacter.
OX NCBI_TaxID=69 {ECO:0000313|EMBL:ALN59493.1, ECO:0000313|Proteomes:UP000061569};
RN [1] {ECO:0000313|EMBL:ALN59493.1, ECO:0000313|Proteomes:UP000061569}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=C3 {ECO:0000313|EMBL:ALN59493.1,
RC ECO:0000313|Proteomes:UP000061569};
RA Kobayashi D.Y.;
RT "Genome sequences of Lysobacter enzymogenes strain C3 and Lysobacter
RT antibioticus ATCC 29479.";
RL Submitted (NOV-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:UZW61705.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=B25 {ECO:0000313|EMBL:UZW61705.1};
RX PubMed=28473380; DOI=10.1128/genomea.00271-17;
RA Hernandez I., Fernandez C.;
RT "Draft Genome Sequence and Assembly of a Lysobacter enzymogenes Strain with
RT Biological Control Activity against Root Knot Nematodes.";
RL Genome Announc. 5:e00271-e00217(2017).
RN [3] {ECO:0000313|EMBL:QCW27640.1, ECO:0000313|Proteomes:UP000308311}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YC36 {ECO:0000313|EMBL:QCW27640.1,
RC ECO:0000313|Proteomes:UP000308311};
RA Feng T.;
RT "Intraspecies Signal LeDSF and Interspecies Signal Indole Synergistically
RT Regulate the Twitching Motility of Lysobacter enzymogenes.";
RL Submitted (MAY-2019) to the EMBL/GenBank/DDBJ databases.
RN [4] {ECO:0000313|EMBL:UZW61705.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=B25 {ECO:0000313|EMBL:UZW61705.1};
RA Fernandez G., Fernandez C., Hernandez I.;
RT "Improved assembly of Lysobacter enzymogenes B25.";
RL Submitted (OCT-2022) to the EMBL/GenBank/DDBJ databases.
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 -!- SUBUNIT: Forms an icosahedral capsid composed of 60 subunits, arranged
CC as a dodecamer of pentamers. {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}.
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DR EMBL; CP013140; ALN59493.1; -; Genomic_DNA.
DR EMBL; CP040656; QCW27640.1; -; Genomic_DNA.
DR EMBL; CP110813; UZW61705.1; -; Genomic_DNA.
DR RefSeq; WP_057948827.1; NZ_CP110813.1.
DR STRING; 69.GLE_4151; -.
DR KEGG; lez:GLE_4151; -.
DR PATRIC; fig|69.6.peg.4093; -.
DR OrthoDB; 9809709at2; -.
DR UniPathway; UPA00275; UER00404.
DR Proteomes; UP000061569; Chromosome.
DR Proteomes; UP000190203; Chromosome.
DR Proteomes; UP000308311; 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:0016874; F:ligase activity; IEA:UniProtKB-KW.
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 Ligase {ECO:0000313|EMBL:ALN59493.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000061569};
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 89
FT /note="Proton donor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 23
FT /ligand="5-amino-6-(D-ribitylamino)uracil"
FT /ligand_id="ChEBI:CHEBI:15934"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 57..59
FT /ligand="5-amino-6-(D-ribitylamino)uracil"
FT /ligand_id="ChEBI:CHEBI:15934"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 81..83
FT /ligand="5-amino-6-(D-ribitylamino)uracil"
FT /ligand_id="ChEBI:CHEBI:15934"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 86..87
FT /ligand="(2S)-2-hydroxy-3-oxobutyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58830"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 114
FT /ligand="5-amino-6-(D-ribitylamino)uracil"
FT /ligand_id="ChEBI:CHEBI:15934"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
FT BINDING 128
FT /ligand="(2S)-2-hydroxy-3-oxobutyl phosphate"
FT /ligand_id="ChEBI:CHEBI:58830"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00178"
SQ SEQUENCE 155 AA; 16522 MW; A9E09BE92CBA22DE CRC64;
MPHYEGDLRS PPGARYAIIA SRWNPRITDT LVAGARKTFA EHGIAEDAID VVRVPGAWEL
PVLARRLAAA GQHAAVVALG CVVRGDTRHY EQVADGCSDG LMRVSLDYGL PIANGVLAVE
RHEDAENRAG GSHGNKGEEA ALAALEMSHL LEQLP
//