Status	Description	Organism	Genes	References
	dihydrodipicolinate synthase	Brucella ceti	dapA
	dihydrodipicolinate synthase	Brucella melitensis	dapA
	4-hydroxyphenylpyruvate carboxy-lyase	Saccharomyces cerevisiae	PDC6
	4-hydroxyphenylpyruvate carboxy-lyase	Saccharomyces cerevisiae	PDC1
	phenylpyruvate decarboxylase	Saccharomyces cerevisiae	ARO10	[279]