Enzymatic reactions [BR:br08201]
2. Transferase reactions
2.3 Acyltransferases
2.3.1 Transferring groups other than aminoacyl groups
2.3.1.300
R12734 (S)-2-Methylbutanoyl-CoA + Malonyl-[acyl-carrier protein] <=> (4S)-4-Methyl-3-oxohexanoyl-[acyl-carrier-protein] + CoA + CO2