3.6.1.1	inorganic diphosphatase	-	
3.6.1.10	endopolyphosphatase	-	
3.6.1.11	exopolyphosphatase	-	
3.6.1.12	dCTP diphosphatase	-	
3.6.1.13	ADP-ribose diphosphatase	-	
3.6.1.14	adenosine-tetraphosphatase	-	
3.6.1.15	nucleoside-triphosphate phosphatase	-	
3.6.1.16	CDP-glycerol diphosphatase	-	
3.6.1.17	bis(5'-nucleosyl)-tetraphosphatase (asymmetrical)	-	
3.6.1.18	FAD diphosphatase	-	
3.6.1.19	nucleoside-triphosphate diphosphatase	deleted, now included with EC 3.6.1.9	
3.6.1.2	trimetaphosphatase	-	
3.6.1.20	5'-acylphosphoadenosine hydrolase	-	
3.6.1.21	ADP-sugar diphosphatase	-	
3.6.1.22	NAD+ diphosphatase	-	
3.6.1.23	dUTP diphosphatase	-	
3.6.1.24	nucleoside phosphoacylhydrolase	-	
3.6.1.25	triphosphatase	-	
3.6.1.26	CDP-diacylglycerol diphosphatase	-	
3.6.1.27	undecaprenyl-diphosphate phosphatase	-	
3.6.1.28	thiamine-triphosphatase	-	
3.6.1.29	bis(5'-adenosyl)-triphosphatase	-	
3.6.1.3	adenosinetriphosphatase	deleted, enzymes previously listed under this number are now listed separately under EC 5.6 and EC 7	
3.6.1.30	m7G(5')pppN diphosphatase	deleted, now covered by EC 3.6.1.59 [m7GpppX diphosphatase] and EC 3.6.1.62 [m7GpppN-mRNA hydrolase]	
3.6.1.31	phosphoribosyl-ATP diphosphatase	-	
3.6.1.32	myosin ATPase	transferred to EC 3.6.4.1	
3.6.1.33	dynein ATPase	transferred to EC 3.6.4.2	
3.6.1.34	H+-transporting ATP synthase	transferred to  EC 7.1.2.2, H+-transporting two-sector ATPase	
3.6.1.35	H+-transporting ATPase	transferred to EC 3.6.3.6	
3.6.1.36	H+/K+ exchanging ATPase	transferred to EC 3.6.3.10	
3.6.1.37	Na+/K+ exchanging ATPase	transferred to EC 3.6.3.9	
3.6.1.38	Ca2+-transporting ATPase	transferred to EC 3.6.3.8	
3.6.1.39	thymidine-triphosphatase	-	
3.6.1.4	adenosinetriphosphatase (Mg-activated)	deleted, included in EC 3.6.1.3	
3.6.1.40	guanosine-5'-triphosphate,3'-diphosphate phosphatase	-	
3.6.1.41	bis(5'-nucleosyl)-tetraphosphatase (symmetrical)	-	
3.6.1.42	guanosine-diphosphatase	-	
3.6.1.43	dolichyldiphosphatase	-	
3.6.1.44	oligosaccharide-diphosphodolichol diphosphatase	-	
3.6.1.45	UDP-sugar diphosphatase	-	
3.6.1.46	heterotrimeric G-protein GTPase	transferred to EC 3.6.5.1	
3.6.1.47	small monomeric GTPase	transferred to EC 3.6.5.2	
3.6.1.48	protein-synthesizing GTPase	transferred to EC 3.6.5.3	
3.6.1.49	signal-recognition-particle GTPase	transferred to EC 3.6.5.4	
3.6.1.5	apyrase	-	
3.6.1.50	dynamin GTPase	transferred to EC 3.6.5.5	
3.6.1.51	tubulin GTPase	transferred to EC 3.6.5.6	
3.6.1.52	diphosphoinositol-polyphosphate diphosphatase	-	
3.6.1.53	Mn2+-dependent ADP-ribose/CDP-alcohol diphosphatase	-	
3.6.1.54	UDP-2,3-diacylglucosamine diphosphatase	-	
3.6.1.55	8-oxo-dGTP diphosphatase	-	
3.6.1.56	2-hydroxy-dATP diphosphatase	-	
3.6.1.57	UDP-2,4-diacetamido-2,4,6-trideoxy-beta-L-altropyranose hydrolase	-	
3.6.1.58	8-oxo-dGDP phosphatase	-	
3.6.1.59	5'-(N7-methyl 5'-triphosphoguanosine)-[mRNA] diphosphatase	-	
3.6.1.6	nucleoside diphosphate phosphatase	-	
3.6.1.60	diadenosine hexaphosphate hydrolase (AMP-forming)	-	
3.6.1.61	diadenosine hexaphosphate hydrolase (ATP-forming)	-	
3.6.1.62	5'-(N7-methylguanosine 5'-triphospho)-[mRNA] hydrolase	-	
3.6.1.63	alpha-D-ribose 1-methylphosphonate 5-triphosphate diphosphatase	-	
3.6.1.64	inosine diphosphate phosphatase	-	
3.6.1.65	(d)CTP diphosphatase	-	
3.6.1.66	XTP/dITP diphosphatase	-	
3.6.1.67	dihydroneopterin triphosphate diphosphatase	-	
3.6.1.68	geranyl diphosphate phosphohydrolase	-	
3.6.1.69	8-oxo-(d)GTP phosphatase	-	
3.6.1.7	acylphosphatase	-	
3.6.1.70	guanosine-5'-diphospho-5'-[DNA] diphosphatase	-	
3.6.1.71	adenosine-5'-diphospho-5'-[DNA] diphosphatase	-	
3.6.1.72	DNA-3'-diphospho-5'-guanosine diphosphatase	-	
3.6.1.73	inosine/xanthosine triphosphatase	-	
3.6.1.74	mRNA 5'-phosphatase	-	
3.6.1.75	diacylglycerol diphosphate phosphatase	-	
3.6.1.8	ATP diphosphatase	-	
3.6.1.9	nucleotide diphosphatase	-	
3.6.1.B11	multiple site diadenosine 5',5'''-P1,P6-hexaphosphate hydrolase	preliminary BRENDA-supplied EC number	
3.6.1.B16	guanosine-3',5'-bis(diphosphate) bisphosphatase	preliminary BRENDA-supplied Ec number	
3.6.1.B17	ATP-independent RNA helicase	preliminary BRENDA-supplied EC number	
3.6.1.B18	inositol diphosphate 1-phosphatase	preliminary BRENDA-supplied EC number