4.3.99.1	cyanate lyase	transferred to EC 4.2.1.104	
4.3.99.2	carboxybiotin decarboxylase	transferred to EC 7.2.4.1	
4.3.99.3	7-carboxy-7-deazaguanine synthase	-	
4.3.99.4	choline trimethylamine-lyase	-	
4.3.99.5	nitrosuccinate lyase	-