4.3.1.1	aspartate ammonia-lyase	-	
4.3.1.10	serine-sulfate ammonia-lyase	-	
4.3.1.11	dihydroxyphenylalanine ammonia-lyase	deleted, no experimental evidence of the enzyme-catalysed reaction	
4.3.1.12	ornithine cyclodeaminase	-	
4.3.1.13	carbamoyl-serine ammonia-lyase	-	
4.3.1.14	3-Aminobutyryl-CoA ammonia-lyase	-	
4.3.1.15	Diaminopropionate ammonia-lyase	-	
4.3.1.16	threo-3-hydroxy-L-aspartate ammonia-lyase	-	
4.3.1.17	L-serine ammonia-lyase	-	
4.3.1.18	D-Serine ammonia-lyase	-