1.14.14.91	trans-cinnamate 4-monooxygenase	phenylpropanoid biosynthesis, initial reactions	
4.3.1.24	phenylalanine ammonia-lyase	phenylpropanoid biosynthesis, initial reactions	
4.3.1.25	phenylalanine/tyrosine ammonia-lyase	phenylpropanoid biosynthesis, initial reactions