KEGG Glycine, serine and threonine metabolism - Reference pathway Help
Serine is derived from 3-phospho-D-glycerate, an intermediate of glycolysis [MD: M00020 ], and glycine is derived from serine. Threonine is an essential amino acid, which animals cannot synthesize. In bacteria and plants, threonine is derived from aspartate [MD: M00018 ].