Cysteine 98 in CYP3A4 contributes to conformational integrity required for P450 interaction with CYP reductase.
Wen B, Lampe JN, Roberts AG, Atkins WM, David Rodrigues A, Nelson SD. Cysteine 98 in CYP3A4 contributes to conformational integrity required for P450 interaction with CYP reductase. Arch Biochem Biophys. 2006 Oct 01; 454(1):42-54.