3-oxo-(13Z)-docosenoyl-CoA + CO2 + CoA => (11Z)-eicosenoyl-CoA + malonyl-CoA + H(+)
3-oxo-(13z)-docosenoyl-coa + co2 + coa => (11z)-eicosenoyl-coa + malonyl-coa + h(+)
3-oxo-(13Z)-docosenoyl-CoA + CO2 + CoA => (11Z)-eicosenoyl-CoA + malonyl-CoA + H(+)
3-oxo-(13z)-docosenoyl-coa + co2 + coa => (11z)-eicosenoyl-coa + malonyl-coa + h(+)