5.1.1.19	O-ureido-serine racemase	-	
5.1.1.2	methionine racemase	-	
5.1.1.20	L-Ala-D/L-Glu epimerase	-	
5.1.1.21	isoleucine 2-epimerase	-	
5.1.1.22	4-hydroxyproline betaine 2-epimerase	-	
5.1.1.23	UDP-N-acetyl-alpha-D-muramoyl-L-alanyl-L-glutamate epimerase	-	
5.1.1.24	histidine racemase	-	
5.1.1.3	glutamate racemase	-	
5.1.1.4	proline racemase	-	
5.1.1.5	lysine racemase	-