1.14.13.222 FAD AuaG purifies as a slightly yellow protein and the binding cofactor is flavin–adenine dinucleotide 733094 1.14.13.222 FAD contains an FAD binding domain 733094 1.14.13.222 NADH NADH is preferred over NADPH 733094 1.14.13.222 NADH preferred over NADPH 733094 1.14.13.222 NADPH NADH is preferred over NADPH 733094