Compound as reactive (1)
2 H+ + L-2-amino-3-oxobutanoate → aminoacetone + CO2
Compound as product (2)
NAD+ + L-threonine → 2 H+ + L-2-amino-3-oxobutanoate + NADH
NADP+ + L-allo-threonine → L-2-amino-3-oxobutanoate + NADPH + H+
Reversible reaction (2)
glycine + acetyl-CoA ↔ coenzyme A + L-2-amino-3-oxobutanoate + H+
DL-allothreonine + NADP+ ↔ H+ + L-2-amino-3-oxobutanoate + NADPH