docosanoyl-CoA + malonyl-CoA + H(+) <=> 3-oxotetracosanoyl-CoA + CO2 + CoA
docosanoyl-coa + malonyl-coa + h(+) <=> 3-oxotetracosanoyl-coa + co2 + coa
docosanoyl-CoA + malonyl-CoA + H(+) <=> 3-oxotetracosanoyl-CoA + CO2 + CoA
docosanoyl-coa + malonyl-coa + h(+) <=> 3-oxotetracosanoyl-coa + co2 + coa