<unk>  or PHGDH is a rare autosomal metabolic disease where the young patient is unable to produce an enzyme necessary to convert 3-phosphoglycerate into 3-phosphohydroxypyruvate, which is the only way for humans to synthesize serine.This disorder is called Neu-Laxova syndrome in neonates.
D-glycerate dehydrogenase deficiency
3-Hydroxyisobutyryl-CoA deacylase deficiency
Malonyl-CoA decarboxylase deficiency
Pyruvate kinase deficiency
Glutaminase deficiency
3-Methylcrotonyl-CoA carboxylase deficiency
Succinyl-CoA:3-oxoacid CoA transferase deficiency
2-Methylbutyryl-CoA dehydrogenase deficiency