Compound as reactive (2)
an oxidized electron donor + H
+
+
(
S
)-2-acetolactate
→ a reduced electron donor + diacetyl + CO
2
H
+
+
(
S
)-2-acetolactate
→ (R)-acetoin + CO
2
Compound as product (1)
2 pyruvate + H
+
→
(
S
)-2-acetolactate
+ CO
2
Reversible reaction (5)
NAD(P)+ + (2
R
)-2,3-dihydroxy-3-methylbutanoate ↔ NAD(P)H + H
+
+
(
S
)-2-acetolactate
(2
R
)-2,3-dihydroxy-3-methylbutanoate + NADP
+
↔ NADPH + H
+
+
(
S
)-2-acetolactate
(2
R
)-2,3-dihydroxy-3-methylbutanoate + NAD
+
↔ NADH + H
+
+
(
S
)-2-acetolactate
thiamine diphosphate +
(
S
)-2-acetolactate
↔ 2-(α-hydroxyethyl)thiamine diphosphate + pyruvate
(
S
)-2-acetolactate
↔ 3-hydroxy-3-methyl-2-oxobutanoate