BiochemistryMetabolism of protein and amino acid17ab006a
Nicotinamide is derived from
A
Histidine
B
Methionine
C
Tryptophan
D
Phenylalanine
High-Yield Explanation
The enzyme QP Is the rate limiting step in the formation of nicotinamide from Tryptophan.Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 240