Which of the following is not the precursor of a purine ring?
Which of the following is not the precursor of a purine ring? Correct Answer Lysine
Purine ring is derived from various precursors like glutamine (N2 and N9), glycine (C4, C5, and N7), aspartate (N1), Co2 (C6), folate (C2 and C8). Except for lysine, all are the precursor of purine ring.