ID   FER_ARTPT               Reviewed;          99 AA.
AC   P00246;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 107.
DE   RecName: Full=Ferredoxin;
OS   Arthrospira platensis (Spirulina platensis).
OC   Bacteria; Cyanobacteria; Oscillatoriophycideae; Oscillatoriales;
OC   Microcoleaceae; Arthrospira.
OX   NCBI_TaxID=118562;
RN   [1]
RP   PROTEIN SEQUENCE OF 2-99.
RX   PubMed=817723; DOI=10.1016/0006-291x(76)90940-2;
RA   Tanaka M., Haniu M., Yasunobu K.T., Rao K.K., Hall D.O.;
RT   "The complete amino acid sequence of the Spirulina platensis ferredoxin.";
RL   Biochem. Biophys. Res. Commun. 69:759-765(1976).
RN   [2]
RP   X-RAY CRYSTALLOGRAPHY (2.5 ANGSTROMS).
RX   PubMed=6801028; DOI=10.1093/oxfordjournals.jbchem.a133654;
RA   Tsukihara T., Fukuyama K., Nakamura M., Katsube Y., Tanaka N., Kakudo M.,
RA   Wada K., Hase T., Matsubara H.;
RT   "X-ray analysis of a [2Fe-2S] ferrodoxin from Spirulina platensis. Main
RT   chain fold and location of side chains at 2.5-A resolution.";
RL   J. Biochem. 90:1763-1773(1981).
RN   [3]
RP   X-RAY CRYSTALLOGRAPHY (2.5 ANGSTROMS).
RA   Fukuyama K., Hase T., Matsumoto S., Tsukihara T., Katsube Y., Tanaka N.,
RA   Kakudo M., Wada K., Hase T., Matsubara H.;
RT   "Structure of S. platensis [2Fe-2S] ferredoxin and evolution of
RT   chloroplast-type ferrodoxins.";
RL   Nature 286:522-524(1980).
CC   -!- FUNCTION: Ferredoxins are iron-sulfur proteins that transfer electrons
CC       in a wide variety of metabolic reactions.
CC   -!- COFACTOR:
CC       Name=[2Fe-2S] cluster; Xref=ChEBI:CHEBI:190135;
CC       Note=Binds 1 [2Fe-2S] cluster.;
CC   -!- SIMILARITY: Belongs to the 2Fe2S plant-type ferredoxin family.
CC       {ECO:0000305}.
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DR   PIR; A00250; FESGAL.
DR   PDB; 4FXC; X-ray; 2.50 A; A=2-99.
DR   PDBsum; 4FXC; -.
DR   AlphaFoldDB; P00246; -.
DR   SMR; P00246; -.
DR   EvolutionaryTrace; P00246; -.
DR   GO; GO:0051537; F:2 iron, 2 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0009055; F:electron transfer activity; IEA:InterPro.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   CDD; cd00207; fer2; 1.
DR   Gene3D; 3.10.20.30; -; 1.
DR   InterPro; IPR036010; 2Fe-2S_ferredoxin-like_sf.
DR   InterPro; IPR001041; 2Fe-2S_ferredoxin-type.
DR   InterPro; IPR006058; 2Fe2S_fd_BS.
DR   InterPro; IPR012675; Beta-grasp_dom_sf.
DR   InterPro; IPR010241; Fd_pln.
DR   Pfam; PF00111; Fer2; 1.
DR   SUPFAM; SSF54292; SSF54292; 1.
DR   TIGRFAMs; TIGR02008; fdx_plant; 1.
DR   PROSITE; PS00197; 2FE2S_FER_1; 1.
DR   PROSITE; PS51085; 2FE2S_FER_2; 1.
PE   1: Evidence at protein level;
KW   2Fe-2S; 3D-structure; Direct protein sequencing; Electron transport; Iron;
KW   Iron-sulfur; Metal-binding; Transport.
FT   INIT_MET        1
FT                   /note="Removed"
FT                   /evidence="ECO:0000269|PubMed:817723"
FT   CHAIN           2..99
FT                   /note="Ferredoxin"
FT                   /id="PRO_0000189371"
FT   DOMAIN          4..96
FT                   /note="2Fe-2S ferredoxin-type"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00465"
FT   BINDING         42
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT   BINDING         47
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT   BINDING         50
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT   BINDING         80
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT   STRAND          5..9
FT                   /evidence="ECO:0007829|PDB:4FXC"
FT   STRAND          16..20
FT                   /evidence="ECO:0007829|PDB:4FXC"
FT   HELIX           27..33
FT                   /evidence="ECO:0007829|PDB:4FXC"
FT   STRAND          41..46
FT                   /evidence="ECO:0007829|PDB:4FXC"
FT   STRAND          48..60
FT                   /evidence="ECO:0007829|PDB:4FXC"
FT   HELIX           69..73
FT                   /evidence="ECO:0007829|PDB:4FXC"
FT   HELIX           79..81
FT                   /evidence="ECO:0007829|PDB:4FXC"
FT   STRAND          83..93
FT                   /evidence="ECO:0007829|PDB:4FXC"
FT   TURN            95..97
FT                   /evidence="ECO:0007829|PDB:4FXC"
SQ   SEQUENCE   99 AA;  10634 MW;  71F9CA733DB03741 CRC64;
     MATYKVTLIN EAEGINETID CDDDTYILDA AEEAGLDLPY SCRAGACSTC AGTITSGTID
     QSDQSFLDDD QIEAGYVLTC VAYPTSDCTI KTHQEEGLY