5.3.99.1	hydroperoxide isomerase	deleted	
5.3.99.10	thiazole tautomerase	-	
5.3.99.11	2-keto-myo-inositol isomerase	-	
5.3.99.12	lachrymatory-factor synthase	-	
5.3.99.2	Prostaglandin-D synthase	-	
5.3.99.3	prostaglandin-E synthase	-	
5.3.99.4	prostaglandin-I synthase	-	
5.3.99.5	thromboxane-A synthase	-	
5.3.99.6	allene-oxide cyclase	-	
5.3.99.7	styrene-oxide isomerase	-	
5.3.99.8	capsanthin/capsorubin synthase	-	
5.3.99.9	neoxanthin synthase	-