Compound as reactive (1)

methyloxaloacetate + H⁺ → 2-oxobutanoate + CO₂

Compound as product (1)

2-oxoglutarate + (2S, 3S)-3-methylaspartate → methyloxaloacetate + L-glutamate

Reversible reaction (1)

(2R,3S)-3-methylmalate + NAD⁺ ↔ methyloxaloacetate + NADH + H⁺