4.2.99.12	carboxymethyloxysuccinate lyase	-	
4.2.99.18	DNA-(apurinic or apyrimidinic site) lyase	-	
4.2.99.20	2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase	-	
4.2.99.21	isochorismate lyase	-	
4.2.99.22	tuliposide A-converting enzyme	-	
4.2.99.23	tuliposide B-converting enzyme	-	
4.2.99.24	thebaine synthase	-	
4.2.99.5	Polyglucuronide lyase	deleted	
4.2.99.6	Chondroitin sulfate lyase	deleted, included in EC 4.2.2.4, EC 4.2.2.5	
4.2.99.B1	DNA 5'-deoxyribose phosphate lyase	preliminary BRENDA-supplied EC number	
4.2.99.8	cysteine synthase	transferred to EC 2.5.1.47	
4.2.99.9	O-succinylhomoserine (thiol)-lyase	transferred to EC 2.5.1.48	
4.2.99.10	O-acetylhomoserine (thiol)-lyase	transferred to EC 2.5.1.49	
4.2.99.13	beta-(9-cytokinin)-alanine synthase	transferred to EC 2.5.1.50	
4.2.99.14	beta-pyrazolylalanine synthase (acetylserine)	transferred to EC 2.5.1.51	
4.2.99.15	L-mimosine synthase	transferred to EC 2.5.1.52	
4.2.99.16	uracilylalanine synthase	transferred to EC 2.5.1.53	
4.2.99.1	hyaluronate lyase	transferred to EC 4.2.2.1	
4.2.99.3	pectate lyase	transferred to EC 4.2.2.2	
4.2.99.4	alginate lyase	transferred to EC 4.2.2.3	
4.2.99.2	threonine synthase	transferred to EC 4.2.3.1	
4.2.99.7	ethanolamine-phosphate phospho-lyase	transferred to EC 4.2.3.2	
4.2.99.11	methylglyoxal synthase	transferred to EC 4.2.3.3	
4.2.99.17	thermopsin	transferred to EC 4.2.99.14	
4.2.99.19	2-hydroxypropyl-CoM lyase	transferred to EC 4.4.1.23, 2-hydroxypropyl-CoM lyase