ID   FLAV_BUCAP              Reviewed;         154 AA.
AC   Q8K9N5;
DT   08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2002, sequence version 1.
DT   03-AUG-2022, entry version 99.
DE   RecName: Full=Flavodoxin;
GN   Name=fldA; OrderedLocusNames=BUsg_289;
OS   Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=198804;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Sg;
RX   PubMed=12089438; DOI=10.1126/science.1071278;
RA   Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA   Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT   "50 million years of genomic stasis in endosymbiotic bacteria.";
RL   Science 296:2376-2379(2002).
CC   -!- FUNCTION: Low-potential electron donor to a number of redox enzymes.
CC       {ECO:0000250}.
CC   -!- COFACTOR:
CC       Name=FMN; Xref=ChEBI:CHEBI:58210; Evidence={ECO:0000250};
CC   -!- SIMILARITY: Belongs to the flavodoxin family. {ECO:0000305}.
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DR   EMBL; AE013218; AAM67845.1; -; Genomic_DNA.
DR   RefSeq; WP_011053812.1; NC_004061.1.
DR   AlphaFoldDB; Q8K9N5; -.
DR   SMR; Q8K9N5; -.
DR   STRING; 198804.BUsg_289; -.
DR   EnsemblBacteria; AAM67845; AAM67845; BUsg_289.
DR   KEGG; bas:BUsg_289; -.
DR   eggNOG; COG0716; Bacteria.
DR   HOGENOM; CLU_051402_1_1_6; -.
DR   OMA; ICGIPTW; -.
DR   OrthoDB; 1961680at2; -.
DR   Proteomes; UP000000416; Chromosome.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0010181; F:FMN binding; IEA:InterPro.
DR   Gene3D; 3.40.50.360; -; 1.
DR   InterPro; IPR008254; Flavodoxin/NO_synth.
DR   InterPro; IPR001226; Flavodoxin_CS.
DR   InterPro; IPR010086; Flavodoxin_lc.
DR   InterPro; IPR029039; Flavoprotein-like_sf.
DR   Pfam; PF00258; Flavodoxin_1; 1.
DR   PIRSF; PIRSF038996; FldA; 1.
DR   SUPFAM; SSF52218; SSF52218; 1.
DR   TIGRFAMs; TIGR01752; flav_long; 1.
DR   PROSITE; PS00201; FLAVODOXIN; 1.
DR   PROSITE; PS50902; FLAVODOXIN_LIKE; 1.
PE   3: Inferred from homology;
KW   Electron transport; Flavoprotein; FMN; Transport.
FT   CHAIN           1..154
FT                   /note="Flavodoxin"
FT                   /id="PRO_0000171610"
FT   DOMAIN          4..154
FT                   /note="Flavodoxin-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00088"
SQ   SEQUENCE   154 AA;  17725 MW;  061956BD6BB3E57C CRC64;
     MKKIGIFFGS DTGNTEKAAE LIHKKIGSNI SMLYDISNVS KKDFESFDHL ILGVPTWYYG
     EIQCDWDDFL PILKKINFLH KTVALFGCGD QEDYAEYFCD ALGLIYQVLK KNNAKIVGKW
     PTIEYNFESY KALLNKDYFV GLVLDEARQP EKTE