Article
Pyrococcus furiosus 4Fe-ferredoxin, chemisorbed on gold, exhibits gated reduction and ionic strength dependent dimerization.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry - 1 Jul 2006
Hasan M Nahid, Kwakernaak Cees, Sloof Willem G, Hagen Wilfred R, Heering Hendrik A
Abstract excerpt
Pyrococcus furiosus ferredoxin is a small metalloprotein that shuttles electrons between redox enzymes. In its native 4Fe-4S form the protein is highly thermostable. In addition to three cluster-ligating cysteines, two surface cysteine residues (C21 and C48) are present. We used the reactivity of these surface thiols to directly immobilize ferredoxin on a bare gold electrode, with an orientation in which the...
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