2.5.1.16	spermidine synthase	-	
2.5.1.17	corrinoid adenosyltransferase	-	
2.5.1.18	glutathione transferase	-	
2.5.1.19	3-phosphoshikimate 1-carboxyvinyltransferase	-	
2.5.1.20	rubber cis-polyprenylcistransferase	-	
2.5.1.21	squalene synthase	-	
2.5.1.22	spermine synthase	-	
2.5.1.23	sym-norspermidine synthase	-	
2.5.1.24	discadenine synthase	-	
2.5.1.25	tRNA-uridine aminocarboxypropyltransferase	-