4yjy is a 2 chain structure with sequence from Oryza sativa Indica Group. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
CHS1_ORYSI The primary product of this enzyme is 4,2',4',6'-tetrahydroxychalcone (also termed naringenin-chalcone or chalcone) which can under specific conditions spontaneously isomerize into naringenin.