3.1.4.1	phosphodiesterase I	-	
3.1.4.10	1-phosphatidylinositol phosphodiesterase	transferred to EC 4.6.1.13	
3.1.4.11	phosphoinositide phospholipase C	-	
3.1.4.12	sphingomyelin phosphodiesterase	-	
3.1.4.13	serine-ethanolaminephosphate phosphodiesterase	-	
3.1.4.14	[acyl-carrier-protein] phosphodiesterase	-	
3.1.4.15	adenylyl-[glutamate-ammonia ligase] hydrolase	transferred to EC 2.7.7.89	
3.1.4.16	2',3'-cyclic-nucleotide 2'-phosphodiesterase	-	
3.1.4.17	3',5'-cyclic-nucleotide phosphodiesterase	-	
3.1.4.18	phosphodiesterase II	transferred to EC 3.1.16.1	
3.1.4.19	oligonucleotidase	transferred to EC 3.1.13.3	
3.1.4.2	glycerophosphocholine phosphodiesterase	-	
3.1.4.20	exoribonuclease	transferred to EC 3.1.13.1	
3.1.4.21	single-stranded-nucleate endonuclease	transferred to EC 3.1.30.1	
3.1.4.22	ribonuclease I	transferred to EC 3.1.27.5	
3.1.4.23	ribonuclease II	transferred to EC 3.1.27.1	
3.1.4.24	endoribonuclease III	deleted	
3.1.4.25	exodeoxyribonuclease I	transferred to EC 3.1.11.1	
3.1.4.26	exodeoxyribonuclease II	deleted	
3.1.4.27	exodeoxyribonuclease II	transferred to EC 3.1.11.2	
3.1.4.28	exodeoxyribonuclease IV	transferred to EC 3.1.11.3	
3.1.4.29	oligodeoxyribonucleate exonuclease	deleted	
3.1.4.3	phospholipase C	-	
3.1.4.30	endodeoxyribonuclease	transferred to EC 3.1.21.2	
3.1.4.31	DNA 5'-dinucleotidohydrolase	transferred to EC 3.1.11.4	
3.1.4.32	endodeoxyribonuclease (ATP- and S-adenosylmethionine-dependent)	deleted	
3.1.4.33	endodeoxyribonuclease (ATP-hydrolysing)	deleted	
3.1.4.34	hybrid nuclease	deleted	
3.1.4.35	3',5'-cyclic-GMP phosphodiesterase	-	
3.1.4.36	1,2-cyclic-inositol-phosphate phosphodiesterase	transferred to EC 3.1.4.43	
3.1.4.37	2',3'-cyclic-nucleotide 3'-phosphodiesterase	-	
3.1.4.38	glycerophosphocholine cholinephosphodiesterase	-	
3.1.4.39	alkylglycerophosphoethanolamine phosphodiesterase	-	
3.1.4.4	phospholipase D	-	
3.1.4.40	CMP-N-acylneuraminate phosphodiesterase	-	
3.1.4.41	sphingomyelin phosphodiesterase D	-	
3.1.4.42	glycerol-1,2-cyclic-phosphate 2-phosphodiesterase	-	
3.1.4.43	glycerophosphoinositol inositolphosphodiesterase	-	
3.1.4.44	glycerophosphoinositol glycerophosphodiesterase	-	
3.1.4.45	N-acetylglucosamine-1-phosphodiester alpha-N-acetylglucosaminidase	-	
3.1.4.46	glycerophosphodiester phosphodiesterase	-	
3.1.4.47	variant-surface-glycoprotein phospholipase C	transferred to EC 4.6.1.14	
3.1.4.48	dolichylphosphate-glucose phosphodiesterase	-	
3.1.4.49	dolichylphosphate-mannose phosphodiesterase	-	
3.1.4.5	deoxyribonuclease	transferred to EC 3.1.21.1	
3.1.4.50	glycosylphosphatidylinositol phospholipase D	-	
3.1.4.51	glucose-1-phospho-D-mannosylglycoprotein phosphodiesterase	-	
3.1.4.52	cyclic-guanylate-specific phosphodiesterase	-	
3.1.4.53	3',5'-cyclic-AMP phosphodiesterase	-	
3.1.4.54	N-acetylphosphatidylethanolamine-hydrolysing phospholipase D	-	
3.1.4.55	phosphoribosyl 1,2-cyclic phosphate phosphodiesterase	-	
3.1.4.56	7,8-dihydroneopterin 2',3'-cyclic phosphate phosphodiesterase	-	
3.1.4.57	phosphoribosyl 1,2-cyclic phosphate 1,2-diphosphodiesterase	-	
3.1.4.58	RNA 2',3'-cyclic 3'-phosphodiesterase	-	
3.1.4.59	cyclic-di-AMP phosphodiesterase	-	
3.1.4.6	deoxyribonuclease II	transferred to EC 3.1.22.1	
3.1.4.60	pApA phosphodiesterase	-	
3.1.4.61	cyclic 2,3-diphosphoglycerate hydrolase	-	
3.1.4.7	micrococcal nuclease	transferred to EC 3.1.31.1	
3.1.4.8	Aspergillus oryzae ribonuclease	transferred to EC 3.1.27.3	
3.1.4.9	nucleate endonuclease	transferred to EC 3.1.30.2	
3.1.4.B4	UDP-alpha-D-glucose glucohydrolase	preliminary BRENDA-supplied EC number