ID   LUXG_ALIFS              Reviewed;         236 AA.
AC   P24273;
DT   01-MAR-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-1992, sequence version 1.
DT   03-AUG-2022, entry version 69.
DE   RecName: Full=Probable flavin reductase;
DE            EC=1.-.-.-;
GN   Name=luxG;
OS   Aliivibrio fischeri (Vibrio fischeri).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Aliivibrio.
OX   NCBI_TaxID=668;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=2254256; DOI=10.1128/jb.172.12.6797-6802.1990;
RA   Swartzman E., Kapoor S., Graham A.F., Meighen E.A.;
RT   "A new Vibrio fischeri lux gene precedes a bidirectional termination site
RT   for the lux operon.";
RL   J. Bacteriol. 172:6797-6802(1990).
CC   -!- FUNCTION: Probable flavin reductase in the luminescent systems of
CC       different marine bacteria.
CC   -!- SIMILARITY: Belongs to the Fre/LuxG FAD/NAD(P) flavoprotein
CC       oxidoreductase family. {ECO:0000305}.
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DR   EMBL; M62812; AAA27536.1; -; Genomic_DNA.
DR   PIR; A37830; A37830.
DR   AlphaFoldDB; P24273; -.
DR   SMR; P24273; -.
DR   GO; GO:0016491; F:oxidoreductase activity; IEA:UniProtKB-KW.
DR   GO; GO:0008218; P:bioluminescence; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.80; -; 1.
DR   InterPro; IPR017927; FAD-bd_FR_type.
DR   InterPro; IPR039261; FNR_nucleotide-bd.
DR   InterPro; IPR001433; OxRdtase_FAD/NAD-bd.
DR   InterPro; IPR017938; Riboflavin_synthase-like_b-brl.
DR   Pfam; PF00175; NAD_binding_1; 1.
DR   SUPFAM; SSF52343; SSF52343; 1.
DR   SUPFAM; SSF63380; SSF63380; 1.
DR   PROSITE; PS51384; FAD_FR; 1.
PE   3: Inferred from homology;
KW   FAD; Flavoprotein; Luminescence; Oxidoreductase.
FT   CHAIN           1..236
FT                   /note="Probable flavin reductase"
FT                   /id="PRO_0000068142"
FT   DOMAIN          1..102
FT                   /note="FAD-binding FR-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00716"
FT   BINDING         114..118
FT                   /ligand="pyridine"
FT                   /ligand_id="ChEBI:CHEBI:16227"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   236 AA;  26503 MW;  6BE4DBDA29104BBE CRC64;
     MIVDGRVSKI VLASIKNNIY KVFITVNSPI KFIAGQFVMV TINGKKCPFS IANCPTKNHE
     IELHIGSSNK DCSLDIIEYF VDALVEEVAI ELDAPHGNAW LRSESNNPLL LIAGGTGLSY
     INSILTNCLN RNIPQDIYLY WGVKNSSLLY EDEELLELSL NNKNLHYIPV IEDKSEEWIG
     KKGTVLDAVM EDFTDLAHFD IYVCGPFMMA KTAKEKLIEE KKAKSEQMFA DAFAYV