Also found in: Medical, Acronyms, Encyclopedia, Wikipedia.
An iron-containing protein present in green plants and certain anaerobic bacteria that functions in electron transport reactions in biochemical processes, such as photosynthesis.
(Biology) an iron- and sulphur-containing protein found in plants and microorganisms and involved in photosynthesis and nitrogen fixation
fer•re•dox•in(ˌfɛr əˈdɒk sɪn)
any of a group of red-brown proteins containing iron and sulfur and acting as an electron carrier during photosynthesis, nitrogen fixation, or oxidation-reduction reactions.