ID   FLAV_DESDE              Reviewed;         148 AA.
AC   P26492;
DT   01-AUG-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-AUG-1992, sequence version 1.
DT   25-MAY-2022, entry version 76.
DE   RecName: Full=Flavodoxin;
OS   Desulfovibrio desulfuricans.
OC   Bacteria; Proteobacteria; Deltaproteobacteria; Desulfovibrionales;
OC   Desulfovibrionaceae; Desulfovibrio.
OX   NCBI_TaxID=876;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [MRNA].
RC   STRAIN=ATCC 29577 / DSM 642 / CIP 107039 / LMG 7529 / NCIMB 8307 / VKM
RC   B-1799 / Essex 6;
RX   PubMed=1859847; DOI=10.1016/0167-4781(91)90190-w;
RA   Helms L.R., Swenson R.P.;
RT   "Cloning and characterization of the flavodoxin gene from Desulfovibrio
RT   desulfuricans.";
RL   Biochim. Biophys. Acta 1089:417-419(1991).
CC   -!- FUNCTION: Low-potential electron donor to a number of redox enzymes.
CC   -!- COFACTOR:
CC       Name=FMN; Xref=ChEBI:CHEBI:58210;
CC   -!- SIMILARITY: Belongs to the flavodoxin family. {ECO:0000305}.
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DR   EMBL; X59438; CAA42064.1; -; mRNA.
DR   PIR; S17000; FXDVD.
DR   PDB; 3F6R; X-ray; 2.00 A; A/B/C/D=1-148.
DR   PDB; 3F6S; X-ray; 2.50 A; A/B/D/E/F/G/H/I=1-148.
DR   PDB; 3F90; X-ray; 2.50 A; A/B/D/E/F/G/H/I=2-148.
DR   PDBsum; 3F6R; -.
DR   PDBsum; 3F6S; -.
DR   PDBsum; 3F90; -.
DR   AlphaFoldDB; P26492; -.
DR   SMR; P26492; -.
DR   STRING; 1121445.ATUZ01000016_gene2512; -.
DR   eggNOG; COG0716; Bacteria.
DR   EvolutionaryTrace; P26492; -.
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; IPR010087; Flav_short.
DR   InterPro; IPR008254; Flavodoxin/NO_synth.
DR   InterPro; IPR001226; Flavodoxin_CS.
DR   InterPro; IPR029039; Flavoprotein-like_sf.
DR   Pfam; PF00258; Flavodoxin_1; 1.
DR   SUPFAM; SSF52218; SSF52218; 1.
DR   TIGRFAMs; TIGR01753; flav_short; 1.
DR   PROSITE; PS00201; FLAVODOXIN; 1.
DR   PROSITE; PS50902; FLAVODOXIN_LIKE; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Electron transport; Flavoprotein; FMN; Transport.
FT   CHAIN           1..148
FT                   /note="Flavodoxin"
FT                   /id="PRO_0000171615"
FT   DOMAIN          4..145
FT                   /note="Flavodoxin-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00088"
FT   STRAND          3..9
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   STRAND          11..13
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   HELIX           14..27
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   TURN            28..30
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   STRAND          32..37
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   TURN            38..40
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   TURN            44..49
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   STRAND          51..57
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   STRAND          62..64
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   HELIX           69..75
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   HELIX           78..81
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   STRAND          87..94
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   STRAND          98..100
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   TURN            101..103
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   HELIX           104..114
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   STRAND          124..129
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   HELIX           130..132
FT                   /evidence="ECO:0007829|PDB:3F6R"
FT   HELIX           134..146
FT                   /evidence="ECO:0007829|PDB:3F6R"
SQ   SEQUENCE   148 AA;  15694 MW;  1CE35B4B79817459 CRC64;
     MSKVLIVFGS STGNTESIAQ KLEELIAAGG HEVTLLNAAD ASAENLADGY DAVLFGCSAW
     GMEDLEMQDD FLSLFEEFNR IGLAGRKVAA FASGDQEYEH FCGAVPAIEE RAKELGATII
     AEGLKMEGDA SNDPEAVASF AEDVLKQL