1.4.1.21	aspartate dehydrogenase	-	
1.4.1.B4	carboxynorspermidine dehydrogenase	preliminary BRENDA-supplied EC number	
1.4.99.B4	cis-4-hydroxy-D-proline dehydrogenase	preliminary BRENDA-supplied EC number	
1.4.3.12	cyclohexylamine oxidase	-	
1.4.3.18	cytokinin oxidase	deleted, not approved, cf. EC 1.5.99.12	
1.4.2.B1	D-alanine dehydrogenase (cytochrome)	preliminary BRENDA-supplied EC number	
1.4.5.1	D-amino acid dehydrogenase (quinone)	-	
1.4.99.1	D-amino-acid dehydrogenase	transferred to EC 1.4.99.6	
1.4.3.3	D-amino-acid oxidase	-	
1.4.99.6	D-arginine dehydrogenase	-