3.4.4.1	pepsin	transferred to EC 3.4.23.1	
3.4.4.10	papain	transferred to EC 3.4.22.2	
3.4.4.11	chymopapain	transferred to EC 3.4.22.6	
3.4.4.12	ficin	transferred to EC 3.4.22.3	
3.4.4.13	thrombin	transferred to EC 3.4.21.5	
3.4.4.14	plasmin	transferred to EC 3.4.21.7	
3.4.4.15	renin	transferred to EC 3.4.23.15	
3.4.4.16	subtilopeptidase A	transferred to EC 3.4.21.62, EC 3.4.21.63, EC 3.4.21.64, EC 3.4.21.65, EC 3.4.21.66, EC 3.4.21.67	
3.4.4.17	aspergillopeptidase A	transferred to EC 3.4.23.20, EC 3.4.23.21, EC 3.4.23.22, EC 3.4.23.23, EC 3.4.23.24, EC 3.4.23.25, EC 3.4.23.26, EC 3.4.21.103, EC 3.4.23.28, EC 3.4.23.29, and EC 3.4.23.30
-30	
3.4.4.18	streptococcus peptidase A	transferred to EC 3.4.22.10	
3.4.4.19	clostridiopeptidase A	transferred to EC 3.4.24.3	
3.4.4.2	pepsin B	transferred to EC 3.4.23.2	
3.4.4.20	clostridiopeptidase B	transferred to EC 3.4.22.8	
3.4.4.21	kallikrein	transferred to EC 3.4.21.34 and EC 3.4.21.35	
3.4.4.22	recommended Name never specified	transferred to EC 3.4.23.3	
3.4.4.23	recommended Name never specified	transferred to EC 3.4.23.5	
3.4.4.24	recommended Name never specified	transferred to EC 3.4.22.32, EC 3.4.22.33	
3.4.4.25	keratinase	deleted	
3.4.4.3	rennin	transferred to EC 3.4.23.4	
3.4.4.4	trypsin	transferred to EC 3.4.21.4	
3.4.4.5	chymotrypsin	transferred to EC 3.4.21.1	
3.4.4.6	chymotrypsin B	transferred to EC 3.4.21.1	
3.4.4.7	pancreatopeptidase E	transferred to EC 3.4.21.36, EC 3.4.21.37	
3.4.4.8	enteropeptidase	transferred to EC 3.4.21.9	
3.4.4.9	cathepsin C	transferred to EC 3.4.14.1