A conserved histidine in vertebrate-type ferredoxins is critical for redox-dependent dynamics.

Abstract

Adrenodoxin (Adx) belongs to the family of Cys(4)Fe(2)S(2) vertebrate-type ferredoxins that shuttle electrons from NAD(P)H-dependent reductases to cytochrome P450 enzymes. The vertebrate-type ferredoxins contain a conserved basic residue, usually a histidine, adjacent to the third cysteine ligand of the Cys(4)Fe(2)S(2) cluster. In bovine Adx the side chain… (More)

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