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Related to ferredoxin: Plastocyanin, Plastoquinone


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


(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.
[1962; < Latin fer(rum) iron + redox + -in1]
References in periodicals archive ?
of Unigenes IPRO13032 EGF-like region, conserved site 296 IPR006058 2Fe-2S ferredoxin, iron-sulfur 124 binding site IPR002155 Thiolase 102 IPR000020 Anaphylatoxin/fibulin 19 IPR001007 von Willebrand factor, type C 15 IPR001778 Pollen allergen Poa pIX/Phl pVl, 14 C-terminal IPR001450 4Fe-4S ferredoxin, iron-sulfur 6 binding IPR004051 Potassium channel, voltage 3 dependent, Kv1A IPR007899 CHAD 3 IPR000217 Tubulin 2 1PRO15812 Integrin beta subunit 2 IPR000104 Antifreeze protein, type I 2 IPR006081 Alpha defensin 2 IPR011142 Spider toxin CSTX, conserved site 1 IPR001316 Peptidase SIA, streptogrisin 1 IPR002049 EGF-like, laminin 1 EGF, epidermal growth factor; CHAD, Chondroadherin; CSTX, Cupiennius salei toxin.
Metronidazole resistance in the protozoan parasite Entamoeba histolytica is associated with increased expression of iron-containing superoxide dismutase and peroxiredoxin and decreased expression of ferredoxin 1 and flavin reductase.
Siroheme and an iron-sulfur cluster aid in catalysis, and in photosynthetic tissues, ferredoxin serves as the electron donor.
1960s: Lycra(R) spandex fiber, Nomex(R) advanced fibers, the first cell-free biological extract capable of fixing atmospheric nitrogen, ferredoxin (a biological electron-transfer agent), and plastic fiber optics were developed.