7.2.4.1	carboxybiotin decarboxylase	-	
7.2.4.2	oxaloacetate decarboxylase (Na+ extruding)	-	
7.2.4.3	(S)-methylmalonyl-CoA decarboxylase (sodium-transporting)	-	
7.2.4.4	biotin-dependent malonate decarboxylase	-	
7.2.4.5	glutaconyl-CoA decarboxylase	-