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1、EnzymesE.C.NumberCleavagesitesSerineproteases(丝氨酸蛋白酶)E.C.3.4.21.α-chymotrypsin(胰凝乳蛋白酶,糜蛋白酶)E.C.3.4.21.1Tyr-
2、-Xaa,Trp-
3、-Xaa,Phe-
4、-Xaa,andalsoLeu-
5、-Xaa,Met-
6、-Xaa,Trypsin(胰朊酶,胰蛋白酶)E.C.3.4.21.4Arg-
7、-Xaa,Lys-
8、-Xaa,Pancreaticelastase(胰弹性蛋白酶)E.C.3.4.21.36Ala-
9、-Xaa,andalsoGly-
10、-Xaa,V
11、al-
12、-Xaa,Ser-
13、-Xaa,Thrombin(凝血酶)E.C.3.4.21.5Arg-
14、-Gly,Plasmin(胞质素,胞浆素)E.C.3.4.21.7Lys-
15、-Xaa,>Arg-
16、-XaaProlyloligopeptidase,orprolylendopeptidaseE.C.3.4.21.26Plasmakallikrein(血浆激肽释放酶)E.C.3.4.21.34Arg-
17、-Xaa,Lys-
18、-Xaa,includingArg-
19、-Ser,Lys-
20、-Arg,Leukocyteelastase(白细胞弹性蛋白酶),orne
21、utrophilelastase(中性白细胞弹性蛋白酶),orlysosomalelastase(溶酶体弹性蛋白酶)E.C.3.4.21.37Val-
22、-Xaa,Ala-
23、-Xaa,Cysteineproteases(半胱氨酸蛋白酶)E.C.3.4.22.CathepsinB(组织蛋白酶)E.C.3.4.22.1Arg-Arg-
24、-Xaa,andalsoLeu-
25、-Xaa,Ala-
26、-Xaa,Phe-
27、-Xaa,Trp-
28、-Xaa,Clostripain(梭菌蛋白酶),orendoproteinaseArg-CE.C.3.4.22.8Arg-
29、-
30、XaaincludingArg-
31、-Pro,butnotLys-
32、-XaaCalpain(钙激活中性蛋白酶)-1,orμ-calpainE.C.3.4.22.52Met-
33、-Xaa,Tyr-
34、-XaaandArg-
35、-Xaa(withLeuorValastheP2residue)Asparticacidproteases(天冬氨酸蛋白酶)E.C.3.4.23.Pepsin(胃朊酶,胃蛋白酶)E.C.3.4.23.1PreferentiallyPhe-
36、-Xaa,Tyr-
37、-Xaa,AndalsoLeu-
38、-Xaa,andTrp-
39、-Xaa,ide
40、allywithXaa=Phe,Trp,orTyrCathepsin(组织蛋白酶)DE.C.3.4.23.5PreferentiallyPhe-
41、-Xaa,Tyr-
42、-Xaa,AndalsoLeu-
43、-Xaa,ideallywithXaa≠AlaorValMetalloproteases(金属蛋白酶)E.C.3.4.24.Neprilysin(脑啡肽酶),orenkephalinase(脑啡肽酶),orneutralendopeptidaseE.C.3.4.24.11Xaa-
44、-Tyr,Xaa-
45、-Phe,Xaa-
46、-Trp,andXaa-
47、-L
48、eu,Thimetoligopeptidase(甲拌磷寡肽酶),orendo-oligopeptidaseA,orendopeptidase(肽链内切酶)24.15,orpz-peptidease(肠促胰酶素)E.C.3.4.24.15Xaa-
49、-Arg,Xaa-
50、-Ser,Xaa-
51、-Ile,Xaa-
52、-Ala,Xaa-
53、-Gly,Aminopeptidases(氨肽酶)E.C.3.4.11.N-termLeucyl-aminopeptidaseE.C.3.4.11.1PreferentiallyLeu-
54、-Xaa,butnotArg-
55、-Xa
56、a,andLys-
57、-Xaa,AminopeptidaseMorN,oralanylaminopeptidase,ormembranealanineaminopeptidaseE.C.3.4.11.2PreferentiallyAla-
58、-Xaa,andTyr-
59、-Xaa,ifYaa-Pro-
60、-XaaintermwithYaa=Ala,Val,Leu,Ile,Phe,TyrorTrp,thenthedipeptideYaa-ProcouldbereleasedAminopeptidaseBE.C.3.4.11.6Arg-
61、-Xaa,Lys-
62、-
63、Xaa,AminopeptidaseA,orangiotensinase,orglutamyl-aminopeptidaseE.C.3.