ID   FLAV_BUCAI              Reviewed;         171 AA.
AC   P57385;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2000, sequence version 1.
DT   25-MAY-2022, entry version 105.
DE   RecName: Full=Flavodoxin;
GN   Name=fldA; OrderedLocusNames=BU299;
OS   Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon
OS   pisum symbiotic bacterium).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=107806;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=APS;
RX   PubMed=10993077; DOI=10.1038/35024074;
RA   Shigenobu S., Watanabe H., Hattori M., Sakaki Y., Ishikawa H.;
RT   "Genome sequence of the endocellular bacterial symbiont of aphids Buchnera
RT   sp. APS.";
RL   Nature 407:81-86(2000).
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; BA000003; BAB13008.1; -; Genomic_DNA.
DR   RefSeq; NP_240122.1; NC_002528.1.
DR   RefSeq; WP_009874252.1; NC_002528.1.
DR   AlphaFoldDB; P57385; -.
DR   SMR; P57385; -.
DR   STRING; 107806.10038973; -.
DR   EnsemblBacteria; BAB13008; BAB13008; BAB13008.
DR   KEGG; buc:BU299; -.
DR   PATRIC; fig|107806.10.peg.310; -.
DR   eggNOG; COG0716; Bacteria.
DR   HOGENOM; CLU_051402_1_0_6; -.
DR   OMA; ICGIPTW; -.
DR   Proteomes; UP000001806; 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; Reference proteome; Transport.
FT   CHAIN           1..171
FT                   /note="Flavodoxin"
FT                   /id="PRO_0000171609"
FT   DOMAIN          4..165
FT                   /note="Flavodoxin-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00088"
SQ   SEQUENCE   171 AA;  20090 MW;  27623B8DCD879425 CRC64;
     MKKIGIFFGS DTGNTEKIAK LIQKYIGDNV SCLYDISNTS QKDIEDFNFL IFGVPTWYYG
     EVQCDWDDFL PTLKKINFSN KIVALFGCGD QEDYSEYFCD AIGTIYDILK KNKANIIGKW
     STEDYYFEQS KALLNKKYFY GLILDEDRQA NKTEYRIKQW VKQIIPYFNT H