dlserine

DL-Serine is a non-essential amino acid and a natural ligand and allosteric activator of pyruvate kinase M2.

D-Serine ((R)-Serine), an endogenous amino acid, is a potent co-agonist at the NMDA glutamate receptor.

L-Serine (serine) is a non-essential amino acid in humans, L-Serine is present and functionally important in many proteins.L-Serine is also found at the active site of the serine protease enzyme class that includes trypsin and chymotrypsin.