Enzymatic reactions [BR:br08201]
2. Transferase reactions
2.3 Acyltransferases
2.3.1 Transferring groups other than aminoacyl groups
2.3.1.300
R12733 2-Methylpropanoyl-CoA + Malonyl-[acyl-carrier protein] <=> 4-Methyl-3-oxopentanoyl-[acyl-carrier-protein] + CoA + CO2