3.6.1.1	inorganic diphosphatase	-	
3.6.1.2	trimetaphosphatase	-	
3.6.1.5	apyrase	-	
3.6.1.6	nucleoside diphosphate phosphatase	-	
3.6.1.7	acylphosphatase	-	
3.6.1.8	ATP diphosphatase	-	
3.6.1.9	nucleotide diphosphatase	-	
3.6.1.10	endopolyphosphatase	-	
3.6.1.11	exopolyphosphatase	-	
3.6.1.12	dCTP diphosphatase	-