(4-coumaroyl)acetyl-CoA + CO2 + CoA => 4-coumaroyl-CoA + malonyl-CoA + H(+)
(4-coumaroyl)acetyl-coa + co2 + coa => 4-coumaroyl-coa + malonyl-coa + h(+)
(4-coumaroyl)acetyl-CoA + CO2 + CoA => 4-coumaroyl-CoA + malonyl-CoA + H(+)
(4-coumaroyl)acetyl-coa + co2 + coa => 4-coumaroyl-coa + malonyl-coa + h(+)