ID   FER_MEGEL               Reviewed;          54 AA.
AC   P00201;
DT   21-JUL-1986, integrated into UniProtKB/Swiss-Prot.
DT   21-JUL-1986, sequence version 1.
DT   03-AUG-2022, entry version 85.
DE   RecName: Full=Ferredoxin;
OS   Megasphaera elsdenii.
OC   Bacteria; Firmicutes; Negativicutes; Veillonellales; Veillonellaceae;
OC   Megasphaera.
OX   NCBI_TaxID=907;
RN   [1]
RP   PROTEIN SEQUENCE.
RA   Yasunobu K.T., Tanaka M.;
RT   "The evolution of iron-sulfur protein containing organisms.";
RL   Syst. Zool. 22:570-589(1973).
CC   -!- FUNCTION: Ferredoxins are iron-sulfur proteins that transfer electrons
CC       in a wide variety of metabolic reactions.
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC       Note=Binds 2 [4Fe-4S] clusters.;
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DR   PIR; A00203; FEME.
DR   AlphaFoldDB; P00201; -.
DR   SMR; P00201; -.
DR   GO; GO:0051539; F:4 iron, 4 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   InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR   InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR   InterPro; IPR000813; 7Fe_ferredoxin.
DR   Pfam; PF12838; Fer4_7; 1.
DR   PRINTS; PR00354; 7FE8SFRDOXIN.
DR   PROSITE; PS00198; 4FE4S_FER_1; 2.
DR   PROSITE; PS51379; 4FE4S_FER_2; 2.
PE   1: Evidence at protein level;
KW   4Fe-4S; Direct protein sequencing; Electron transport; Iron; Iron-sulfur;
KW   Metal-binding; Repeat; Transport.
FT   CHAIN           1..54
FT                   /note="Ferredoxin"
FT                   /id="PRO_0000159117"
FT   DOMAIN          2..28
FT                   /note="4Fe-4S ferredoxin-type 1"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00711"
FT   DOMAIN          29..54
FT                   /note="4Fe-4S ferredoxin-type 2"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00711"
FT   BINDING         8
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         11
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         14
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
FT   BINDING         18
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         36
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         39
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         42
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000250"
FT   BINDING         46
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   54 AA;  5430 MW;  90C6BC38EAE3A577 CRC64;
     MHVISDECVK CGACASTCPT GAIEEGETKY VVTDSCIDCG ACEAVCPTGA ISAE