ID   FER_BUCAI               Reviewed;         111 AA.
AC   P57661;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2000, sequence version 1.
DT   03-AUG-2022, entry version 111.
DE   RecName: Full=2Fe-2S ferredoxin;
GN   Name=fdx; OrderedLocusNames=BU606;
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: Ferredoxin 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; Evidence={ECO:0000250};
CC       Note=Binds 1 [2Fe-2S] cluster. {ECO:0000250};
CC   -!- SIMILARITY: Belongs to the adrenodoxin/putidaredoxin family.
CC       {ECO:0000305}.
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DR   EMBL; BA000003; BAB13290.1; -; Genomic_DNA.
DR   RefSeq; NP_240404.1; NC_002528.1.
DR   RefSeq; WP_009874553.1; NC_002528.1.
DR   AlphaFoldDB; P57661; -.
DR   SMR; P57661; -.
DR   STRING; 107806.10039256; -.
DR   EnsemblBacteria; BAB13290; BAB13290; BAB13290.
DR   KEGG; buc:BU606; -.
DR   PATRIC; fig|107806.10.peg.608; -.
DR   eggNOG; COG0633; Bacteria.
DR   HOGENOM; CLU_082632_5_2_6; -.
DR   OMA; SACGGVC; -.
DR   Proteomes; UP000001806; Chromosome.
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   GO; GO:0140647; P:P450-containing electron transport chain; IEA:InterPro.
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; IPR001055; Adrenodoxin.
DR   InterPro; IPR018298; Adrenodoxin_Fe-S_BS.
DR   InterPro; IPR012675; Beta-grasp_dom_sf.
DR   InterPro; IPR011536; Fdx_isc.
DR   PANTHER; PTHR23426; PTHR23426; 1.
DR   Pfam; PF00111; Fer2; 1.
DR   PRINTS; PR00355; ADRENODOXIN.
DR   SUPFAM; SSF54292; SSF54292; 1.
DR   TIGRFAMs; TIGR02007; fdx_isc; 1.
DR   PROSITE; PS51085; 2FE2S_FER_2; 1.
DR   PROSITE; PS00814; ADX; 1.
PE   3: Inferred from homology;
KW   2Fe-2S; Electron transport; Iron; Iron-sulfur; Metal-binding;
KW   Reference proteome; Transport.
FT   CHAIN           1..111
FT                   /note="2Fe-2S ferredoxin"
FT                   /id="PRO_0000201165"
FT   DOMAIN          1..104
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                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00465"
FT   BINDING         48
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00465"
FT   BINDING         51
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00465"
FT   BINDING         87
FT                   /ligand="[2Fe-2S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:190135"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00465"
SQ   SEQUENCE   111 AA;  12476 MW;  CB2840D9AD7FEB2E CRC64;
     MPKVLFLPHK ILLPKSIECE AQTGETILTV ALRNNIKLEH ACEQSCACST CHCIIKKGFF
     SLSGWSEKED DILDKAWGLQ SESRLSCQAV IGKSDIEVEI PLYNLNYTVE Y