ID B3T9F7_9ARCH Unreviewed; 137 AA.
AC B3T9F7;
DT 02-SEP-2008, integrated into UniProtKB/TrEMBL.
DT 02-SEP-2008, sequence version 1.
DT 13-SEP-2023, entry version 48.
DE RecName: Full=6,7-dimethyl-8-ribityllumazine synthase {ECO:0000256|ARBA:ARBA00012664};
DE EC=2.5.1.78 {ECO:0000256|ARBA:ARBA00012664};
GN ORFNames=ALOHA_HF4000APKG6N3ctg1g24 {ECO:0000313|EMBL:ABZ09216.1};
OS uncultured marine crenarchaeote HF4000_APKG6N3.
OC Archaea; Nitrososphaerota; Nitrososphaeria; Nitrosopumilales;
OC environmental samples.
OX NCBI_TaxID=455599 {ECO:0000313|EMBL:ABZ09216.1};
RN [1] {ECO:0000313|EMBL:ABZ09216.1}
RP NUCLEOTIDE SEQUENCE.
RX PubMed=18580971; DOI=10.1038/ismej.2008.62;
RA Konstantinidis K.T., Delong E.F.;
RT "Genomic patterns of recombination, clonal divergence and environment in
RT marine microbial populations.";
RL ISME J. 2:1052-1065(2008).
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};
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 -!- SIMILARITY: Belongs to the DMRL synthase family.
CC {ECO:0000256|ARBA:ARBA00007424}.
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DR EMBL; EU016646; ABZ09216.1; -; Genomic_DNA.
DR AlphaFoldDB; B3T9F7; -.
DR UniPathway; UPA00275; UER00404.
DR GO; GO:0009349; C:riboflavin synthase complex; IEA:InterPro.
DR GO; GO:0000906; F:6,7-dimethyl-8-ribityllumazine synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd09211; Lumazine_synthase_archaeal; 1.
DR Gene3D; 3.40.50.960; Lumazine/riboflavin synthase; 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};
KW Transferase {ECO:0000256|ARBA:ARBA00022679}.
SQ SEQUENCE 137 AA; 15172 MW; 625DEC991D3F82A3 CRC64;
MNIAIVVSEF NDKVTSRMHK VALEKARELK LNVKYECNVP GVFDMPLVID TLLQKKDIDA
VVTLGAIIKG QTKHDELIAN VVAARISKLS IKYQKPVSLG ISGPGMSERQ AFARIRPVSE
RAVDAIFNTA KELKKIK
//
