1.5.1.19	D-nopaline dehydrogenase	-	
1.5.1.2	pyrroline-5-carboxylate reductase	-	
1.5.1.20	methylenetetrahydrofolate reductase [NAD(P)H]	-	
1.5.1.21	1-piperideine-2-carboxylate/1-pyrroline-2-carboxylate reductase (NADPH)	-	
1.5.1.22	Strombine dehydrogenase	-	
1.5.1.23	Tauropine dehydrogenase	-	
1.5.1.24	N5-(carboxyethyl)ornithine synthase	-	
1.5.1.25	thiomorpholine-carboxylate dehydrogenase	-	
1.5.1.26	beta-alanopine dehydrogenase	-	
1.5.1.27	1,2-dehydroreticulinium reductase (NADPH)	-