Indole derivative as substrate-binding; N297Q and I300V mutants of cytochrome P 450 2A6 display expansion of substrate specificity of cytochrome P 450 2A6 to oxidize substituted indoles.Form:Off-White Crystalline Solid with Few Darker (Brown) ParticlesMelting Point:58-60°CSolubility:Dimethyl Sulfoxide, Ethyl Acetate