. "Catalysis of the reaction: 3 malonyl-CoA + 4-coumaroyl-CoA = 4 CoA + naringenin chalcone + 3 CO2." . . "CHS" . "naringenin-chalcone synthase activity" . "chalcone synthase activity" . "chalcone synthetase activity" . "DOCS" . "flavanone synthase activity" . "flavonone synthase activity" . "malonyl-CoA:4-coumaroyl-CoA malonyltransferase (cyclizing)" . . .