5.3.3.7	aconitate DELTA-isomerase	-	
5.3.3.8	DELTA3-DELTA2-enoyl-CoA isomerase	-	
5.3.3.9	prostaglandin-A1 DELTA-isomerase	-	
5.3.3.B2	linoleate (10E,12Z)-isomerase	preliminary BRENDA-supplied EC number