Compound as reactive (5)

(S)-lactate + oxygen → hydrogen peroxide + pyruvate

(S)-lactate + oxygen → acetate + H₂O + CO₂

(S)-lactate + GTP → (2S)-2-phospholactate + H⁺ + GDP

(S)-lactate + 2 oxidized c-type cytochrome → 2 reduced c-type cytochrome + pyruvate

an oxidized electron donor + (S)-lactate → a reduced electron donor + pyruvate

Compound as product (5)

H₂O + NADP⁺ + (S)-lactaldehyde → 2 H⁺ + NADPH + (S)-lactate

H₂O + (S)-2-O-sulfonatolactate → H⁺ + (S)-lactate + sulfate

H₂O + 2,4-didehydro-3-deoxy-L-rhamnonate → pyruvate + H⁺ + (S)-lactate

(S)-malate + H⁺ → (S)-lactate + CO₂

H₂O + NAD⁺ + (S)-lactaldehyde → 2 H⁺ + NADH + (S)-lactate

Reversible reaction (7)

(S)-lactate ↔ formate + acetaldehyde

propanoyl-CoA + (S)-lactate ↔ propanoate + (S)-lactoyl-CoA

(S)-lactate ↔ (R)-lactate

acetyl-CoA + (S)-lactate ↔ acetate + (S)-lactoyl-CoA

(S)-lactate + oxaloacetate ↔ (S)-malate + pyruvate

NAD⁺ + (S)-lactate ↔ NADH + pyruvate + H⁺

2 H⁺ + 2 (S)-lactate ↔ 2 H₂O + L-lactide