5.1.1.1	alanine racemase	-	
5.1.1.10	amino-acid racemase	-	
5.1.1.11	phenylalanine racemase (ATP-hydrolysing)	-	
5.1.1.12	ornithine racemase	-	
5.1.1.13	aspartate racemase	-	
5.1.1.14	nocardicin A epimerase	-	
5.1.1.15	2-aminohexano-6-lactam racemase	-	
5.1.1.16	protein-serine epimerase	-	
5.1.1.17	isopenicillin-N epimerase	-	
5.1.1.18	serine racemase	-	
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	-	
5.1.1.6	threonine racemase	-	
5.1.1.7	diaminopimelate epimerase	-	
5.1.1.8	4-hydroxyproline epimerase	-	
5.1.1.9	arginine racemase	-