Ferredoxin II FER2_SPIOL Ferredoxin-2 97 ATYKVTLVTPSGSQVIECGDDEYILDAAEEKGMDLPYSCRAGACSSCAGKVTSGSVDQSDQSFLEDGQMEEGWVLTCIAYPTGDVTIETHKEEELTA Ferredoxins are iron-sulfur proteins that transfer electrons in a wide variety of metabolic reactions.