3.5.4.1	cytosine deaminase	-	
3.5.4.2	adenine deaminase	-	
3.5.4.3	guanine deaminase	-	
3.5.4.4	adenosine deaminase	-	
3.5.4.5	cytidine deaminase	-	
3.5.4.6	AMP deaminase	-	
3.5.4.7	ADP deaminase	-	
3.5.4.8	aminoimidazolase	-	
3.5.4.9	methenyltetrahydrofolate cyclohydrolase	-	
3.5.4.10	IMP cyclohydrolase	-