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