Ferredoxins are iron-sulfur proteins that transfer electrons in a wide variety of metabolic reactions. AYKTVLKTPSGEFTLDVPEGTTILDAAEEAGYDLPFSCRAGACSSCLGKVVSGSVDESEGSFLDDGQMEEGFVLTCIAIPESDLVIETHKEEELF Ferredoxin I 95 FER1_EQUAR Ferredoxin-1