BindingDB Reactant_set_id Ligand SMILES Ligand InChI Ligand InChI Key BindingDB MonomerID BindingDB Ligand Name Target Name Assigned by Curator or DataSource Target Source Organism According to Curator or DataSource Ki (nM) IC50 (nM) Kd (nM) EC50 (nM) kon (M-1-s-1) koff (s-1) pH Temp (C) Curation/DataSource Article DOI PMID PubChem AID Patent Number Authors Institution Link to Ligand in BindingDB Link to Target in BindingDB Link to Ligand-Target Pair in BindingDB Ligand HET ID in PDB PDB ID(s) for Ligand-Target Complex PubChem CID PubChem SID ChEBI ID of Ligand ChEMBL ID of Ligand DrugBank ID of Ligand IUPHAR_GRAC ID of Ligand KEGG ID of Ligand ZINC ID of Ligand Number of Protein Chains in Target (>1 implies a multichain complex) BindingDB Target Chain Sequence PDB ID(s) of Target Chain UniProt (SwissProt) Recommended Name of Target Chain UniProt (SwissProt) Entry Name of Target Chain UniProt (SwissProt) Primary ID of Target Chain UniProt (SwissProt) Secondary ID(s) of Target Chain UniProt (SwissProt) Alternative ID(s) of Target Chain UniProt (TrEMBL) Submitted Name of Target Chain UniProt (TrEMBL) Entry Name of Target Chain UniProt (TrEMBL) Primary ID of Target Chain UniProt (TrEMBL) Secondary ID(s) of Target Chain UniProt (TrEMBL) Alternative ID(s) of Target Chain 29846 CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C)C(O)=O InChI=1S/C15H24N2O7/c1-5-7(3)9(12(18)16-8(4)14(20)21)17-13(19)10-11(24-10)15(22)23-6-2/h7-11H,5-6H2,1-4H3,(H,16,18)(H,17,19)(H,20,21)/t7-,8-,9-,10-,11-/m0/s1 FCCIQOJEDMDETP-QHZLYTNSSA-N 16499 (2S)-2-[(2S,3S)-2-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]formamido}-3-methylpentanamido]propanoic acid::CA inhibitor 2::CA075::EtO-tES-Ile-Ala-OH::N-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]carbonyl}-L-isoleucyl-L-alanine::epoxysuccinyl derivative 2 Cathepsin B Bos taurus 23 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16499 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16499&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 75V 2DCA 23647358 46516732 DB07224 C00722 ZINC14961470 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29849 CC[C@H](C)[C@H](NC(=O)[C@H]1O[C@@H]1C(=O)NCc1ccccc1)C(=O)N1CCC[C@H]1C(O)=O InChI=1S/C22H29N3O6/c1-3-13(2)16(21(28)25-11-7-10-15(25)22(29)30)24-20(27)18-17(31-18)19(26)23-12-14-8-5-4-6-9-14/h4-6,8-9,13,15-18H,3,7,10-12H2,1-2H3,(H,23,26)(H,24,27)(H,29,30)/t13-,15-,16-,17-,18-/m0/s1 MERYMLLGRCNRKE-HILJTLORSA-N 16502 (2S)-1-[(2S,3S)-2-{[(2S,3S)-3-(benzylcarbamoyl)oxiran-2-yl]formamido}-3-methylpentanoyl]pyrrolidine-2-carboxylic acid::BzlNH-tES-Ile-Pro-OH::CA inhibitor 5::CA078::N-{[(2S,3S)-3-(benzylcarbamoyl)oxiran-2-yl]carbonyl}-L-isoleucyl-L-proline::epoxysuccinyl derivative 5 Cathepsin B Bos taurus 29 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16502 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16502&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 78A 2DCD 23647361 46516735 DB07231 C00722 ZINC14961490 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29850 CCCNC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H]([C@@H](C)CC)C(=O)N1CCC[C@H]1C(=O)OC InChI=1S/C19H31N3O6/c1-5-9-20-16(23)14-15(28-14)17(24)21-13(11(3)6-2)18(25)22-10-7-8-12(22)19(26)27-4/h11-15H,5-10H2,1-4H3,(H,20,23)(H,21,24)/t11-,12-,13-,14-,15-/m0/s1 XGWSRLSPWIEMLQ-YTFOTSKYSA-N 16503 CA inhibitor 6::CA074Me::PrNH-tES-Ile-Pro-OMe::epoxysuccinyl derivative 6::methyl (2S)-1-[(2S,3S)-3-methyl-2-{[(2S,3S)-3-(propylcarbamoyl)oxiran-2-yl]formamido}pentanoyl]pyrrolidine-2-carboxylate::methyl N-{[(2S,3S)-3-(propylcarbamoyl)oxiran-2-yl]carbonyl}-L-isoleucyl-L-prolinate Cathepsin B Bos taurus 68000 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16503 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16503&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 74M 2DC9 6610318 46516736 DB07223 C00722 ZINC04899858 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29851 CCCNC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H]([C@@H](C)CC)C(=O)N1CCC[C@H]1C(=O)OCc1ccccc1 InChI=1S/C25H35N3O6/c1-4-13-26-22(29)20-21(34-20)23(30)27-19(16(3)5-2)24(31)28-14-9-12-18(28)25(32)33-15-17-10-7-6-8-11-17/h6-8,10-11,16,18-21H,4-5,9,12-15H2,1-3H3,(H,26,29)(H,27,30)/t16-,18-,19-,20-,21-/m0/s1 OMQNYWZURFTFHE-MQBSTWLZSA-N 16504 CA inhibitor 7::CA073::PrNH-tES-Ile-Pro-OBzl::benzyl (2S)-1-[(2S,3S)-3-methyl-2-{[(2S,3S)-3-(propylcarbamoyl)oxiran-2-yl]formamido}pentanoyl]pyrrolidine-2-carboxylate::benzyl N-{[(2S,3S)-3-(propylcarbamoyl)oxiran-2-yl]carbonyl}-L-isoleucyl-L-prolinate::epoxysuccinyl derivative 7 Cathepsin B Bos taurus 9100 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16504 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16504&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 73V 2DC6 22850133 46516737 DB07219 C00722 ZINC14961495 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29852 CC[C@H](C)[C@H](NC(=O)[C@H]1O[C@@H]1C(=O)NCc1ccccc1)C(=O)N1CCC[C@H]1C(=O)OCc1ccccc1 InChI=1S/C29H35N3O6/c1-3-19(2)23(31-27(34)25-24(38-25)26(33)30-17-20-11-6-4-7-12-20)28(35)32-16-10-15-22(32)29(36)37-18-21-13-8-5-9-14-21/h4-9,11-14,19,22-25H,3,10,15-18H2,1-2H3,(H,30,33)(H,31,34)/t19-,22-,23-,24-,25-/m0/s1 NFVQITLYIOBLMG-WIGBTLJFSA-N 16505 BzlNH-tES-Ile-Pro-OBzl::CA inhibitor 8::CA077::benzyl (2S)-1-[(2S,3S)-2-{[(2S,3S)-3-(benzylcarbamoyl)oxiran-2-yl]formamido}-3-methylpentanoyl]pyrrolidine-2-carboxylate::benzyl N-{[(2S,3S)-3-(benzylcarbamoyl)oxiran-2-yl]carbonyl}-L-isoleucyl-L-prolinate::epoxysuccinyl derivative 8 Cathepsin B Bos taurus 46000 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16505 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16505&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 77B 2DCC 23647362 46516738 C00722 ZINC14961499 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29845 CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H]([C@@H](C)CC)C(O)=O InChI=1S/C12H19NO6/c1-4-6(3)7(11(15)16)13-10(14)8-9(19-8)12(17)18-5-2/h6-9H,4-5H2,1-3H3,(H,13,14)(H,15,16)/t6-,7-,8-,9-/m0/s1 MZJYLQZZISBOTF-JBDRJPRFSA-N 16497 (2S,3S)-2-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]formamido}-3-methylpentanoic acid::CA inhibitor 1::CA059::EtO-tES-Ile-OH::N-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]carbonyl}-L-isoleucine::epoxysuccinyl derivative 1 Cathepsin B Bos taurus 24000 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16497 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16497&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 59A 2DC8 23647357 46516731 DB07160 C00722 ZINC14961462 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29847 CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)CC)C(O)=O InChI=1S/C18H30N2O7/c1-6-9(4)11(15(21)20-12(17(23)24)10(5)7-2)19-16(22)13-14(27-13)18(25)26-8-3/h9-14H,6-8H2,1-5H3,(H,19,22)(H,20,21)(H,23,24)/t9-,10?,11-,12-,13-,14-/m0/s1 CFABOFMUPCWOPC-GLCSKSKLSA-N 16500 (2S)-2-[(2S,3S)-2-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]formamido}-3-methylpentanamido]-3-methylpentanoic acid::CA inhibitor 3::CA076::EtO-tES-Ile-Ile-OH::N-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]carbonyl}-L-isoleucyl-L-isoleucine::epoxysuccinyl derivative 3 Cathepsin B Bos taurus 24 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16500 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16500&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 2DCB 23647359 46516733 C00722 ZINC14961478 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29848 CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](C(C)CC)C(O)=O InChI=1S/C16H26N2O8/c1-5-7(3)9(15(22)23)17-13(20)10(8(4)19)18-14(21)11-12(26-11)16(24)25-6-2/h7-12,19H,5-6H2,1-4H3,(H,17,20)(H,18,21)(H,22,23)/t7?,8-,9+,10+,11+,12+/m1/s1 QMPAEYUADYAXIX-FOCKXWKESA-N 16501 (2S)-2-[(2S,3R)-2-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]formamido}-3-hydroxybutanamido]-3-methylpentanoic acid::CA inhibitor 4::CA042::EtO-tES-Thr-Ile-OH::N-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]carbonyl}-L-threonyl-L-isoleucine::epoxysuccinyl derivative 4 Cathepsin B Bos taurus 410 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16501 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16501&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 2DC7 23647360 46516734 C00722 ZINC14961486 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29853 CCOC(=O)[C@H]1O[C@@H]1C(=O)NCC(=O)N1CCC[C@H]1C(O)=O InChI=1S/C13H18N2O7/c1-2-21-13(20)10-9(22-10)11(17)14-6-8(16)15-5-3-4-7(15)12(18)19/h7,9-10H,2-6H2,1H3,(H,14,17)(H,18,19)/t7-,9-,10-/m0/s1 FPAGWFYFKBSXRX-HGNGGELXSA-N 16506 (2S)-1-(2-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]formamido}acetyl)pyrrolidine-2-carboxylic acid::CA inhibitor 9::EtO-tES-Gly-Pro-OH::N-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]carbonyl}glycyl-L-proline::epoxysuccinyl derivative 9 Cathepsin B Bos taurus 15300 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16506 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16506&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 23647363 46516739 C00722 ZINC14961503 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29855 CCOC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H]([C@@H](C)CC)C(=O)N1CCC[C@H]1C(O)=O InChI=1S/C17H26N2O7/c1-4-9(3)11(15(21)19-8-6-7-10(19)16(22)23)18-14(20)12-13(26-12)17(24)25-5-2/h9-13H,4-8H2,1-3H3,(H,18,20)(H,22,23)/t9-,10-,11-,12-,13-/m0/s1 RFNNDNGXWCBNGK-VLJOUNFMSA-N 16508 (2S)-1-[(2S,3S)-2-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]formamido}-3-methylpentanoyl]pyrrolidine-2-carboxylic acid::EtO-tES-Ile-Pro-OH::N-{[(2S,3S)-3-(ethoxycarbonyl)oxiran-2-yl]carbonyl}-L-isoleucyl-L-proline::epoxysuccinyl derivative CA030 Cathepsin B Bos taurus 120 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16508 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16508&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 131790 46516740 C00722 ZINC03920505 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29856 CCCNC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H]([C@@H](C)CC)C(=O)N1CCC[C@H]1C(O)=O InChI=1S/C18H29N3O6/c1-4-8-19-15(22)13-14(27-13)16(23)20-12(10(3)5-2)17(24)21-9-6-7-11(21)18(25)26/h10-14H,4-9H2,1-3H3,(H,19,22)(H,20,23)(H,25,26)/t10-,11-,12-,13-,14-/m0/s1 ZEZGJKSEBRELAS-PEDHHIEDSA-N 16509 (2S)-1-[(2S,3S)-3-methyl-2-{[(2S,3S)-3-(propylcarbamoyl)oxiran-2-yl]formamido}pentanoyl]pyrrolidine-2-carboxylic acid::CA074::CHEMBL490920::N-{[(2S,3S)-3-(propylcarbamoyl)oxiran-2-yl]carbonyl}-L-isoleucyl-L-proline::PrNH-tES-Ile-Pro-OH::epoxysuccinyl derivative CA074 Cathepsin B Bos taurus 38 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16509 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16509&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 1QDQ 9821383 46516741 CHEMBL490920 C00722 ZINC03927825 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29857 CC(C)CCNC(=O)[C@H](CC(C)C)NC(=O)[C@H]1O[C@@H]1C(O)=O InChI=1S/C15H26N2O5/c1-8(2)5-6-16-13(18)10(7-9(3)4)17-14(19)11-12(22-11)15(20)21/h8-12H,5-7H2,1-4H3,(H,16,18)(H,17,19)(H,20,21)/t10-,11-,12-/m0/s1 SCMSYZJDIQPSDI-SRVKXCTJSA-N 16510 (2S,3S)-3-[[(1S)-1-(isoamylcarbamoyl)-3-methyl-butyl]carbamoyl]oxirane-2-carboxylic acid::(2S,3S)-3-[[(2S)-4-methyl-1-(3-methylbutylamino)-1-oxidanylidene-pentan-2-yl]carbamoyl]oxirane-2-carboxylic acid::(2S,3S)-3-[[(2S)-4-methyl-1-(3-methylbutylamino)-1-oxopentan-2-yl]carbamoyl]oxirane-2-carboxylic acid::(2S,3S)-3-[[[(2S)-4-methyl-1-(3-methylbutylamino)-1-oxopentan-2-yl]amino]-oxomethyl]-2-oxiranecarboxylic acid::(2S,3S)-3-{[(1S)-3-methyl-1-[(3-methylbutyl)carbamoyl]butyl]carbamoyl}oxirane-2-carboxylic acid::CHEMBL418661::E-64C::HO-tES-Leu-NH-CH2-CH2CH(CH3)2::MLS000028693::SMR000058872::cid_123664::epoxysuccinyl derivative E64c Cathepsin B Bos taurus 40 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16510 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16510&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 1ITO,1PE6,1PPP 123664 46516742 CHEMBL418661 C00722 ZINC03913936 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 29858 COC(=O)CNC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@H]1O[C@@H]1C(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(O)=O InChI=1S/C26H41N5O10/c1-13(2)9-15(22(34)28-11-18(32)27-12-19(33)40-5)29-23(35)20-21(41-20)24(36)30-16(10-14(3)4)25(37)31-8-6-7-17(31)26(38)39/h13-17,20-21H,6-12H2,1-5H3,(H,27,32)(H,28,34)(H,29,35)(H,30,36)(H,38,39)/t15-,16-,17-,20-,21-/m0/s1 LLLKOFOBLVPXQZ-RNEDXHKXSA-N 16511 (2S)-1-[(2S)-2-{[(2S,3S)-3-{[(1S)-1-({[(2-methoxy-2-oxoethyl)carbamoyl]methyl}carbamoyl)-3-methylbutyl]carbamoyl}oxiran-2-yl]formamido}-4-methylpentanoyl]pyrrolidine-2-carboxylic acid::MeO-Gly-Gly-Leu-NH-tES-Leu-Pro-OH::epoxysuccinyl derivative NS134::methyl N-{[(2S,3S)-3-{[(1S)-1-{[(2S)-2-carboxypyrrolidin-1-yl]carbonyl}-3-methylbutyl]carbamoyl}oxiran-2-yl]carbonyl}-L-leucylglycylglycinate Cathepsin B Bos taurus 6 40.00 C Curated from the literature by BindingDB 10.1016/j.jmb.2006.07.070 16950396 Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Osaka University of Pharmaceutical Sciences http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=16511 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=16511&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search EP2 1SP4 10257704 46516743 C00722 ZINC14961508 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 50271736 CC(C)C[C@H](NC(=O)[C@H](C)NC(=O)C[C@H](O)[C@H](CC(C)C)NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)C(C)C)C(C)C)C(C)C)[C@@H](O)CC(O)=O InChI=1S/C33H61N5O9/c1-16(2)12-22(36-32(46)28(18(5)6)38-33(47)29(19(7)8)37-30(44)20(9)10)24(39)14-26(41)34-21(11)31(45)35-23(13-17(3)4)25(40)15-27(42)43/h16-25,28-29,39-40H,12-15H2,1-11H3,(H,34,41)(H,35,45)(H,36,46)(H,37,44)(H,38,47)(H,42,43)/t21-,22-,23-,24-,25-,28-,29-/m0/s1 QNPQJKICJQEMBY-DAOOESDTSA-N 50047351 CHEBI:7988::CHEMBL3314611 Cathepsin B Bos taurus 29000 ChEMBL 10.1021/np500337m 24960234 Sun, Y; Takada, K; Nogi, Y; Okada, S; Matsunaga, S The University of Tokyo http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50047351 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=50047351&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 5462499 313068779 CHEMBL3314611 C11610 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 50271737 CCC(=O)N[C@@H](C(C)C)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CC(C)C)[C@@H](O)CC(=O)N[C@@H](C)C(=O)N[C@@H](CC(C)C)[C@@H](O)CC(O)=O InChI=1S/C32H59N5O9/c1-11-25(40)36-28(18(6)7)32(46)37-29(19(8)9)31(45)35-21(12-16(2)3)23(38)14-26(41)33-20(10)30(44)34-22(13-17(4)5)24(39)15-27(42)43/h16-24,28-29,38-39H,11-15H2,1-10H3,(H,33,41)(H,34,44)(H,35,45)(H,36,40)(H,37,46)(H,42,43)/t20-,21-,22-,23-,24-,28-,29-/m0/s1 HUOUXPWOUNLCOX-IWIWXMQLSA-N 50047352 CHEMBL3314610 Cathepsin B Bos taurus 10000 ChEMBL 10.1021/np500337m 24960234 Sun, Y; Takada, K; Nogi, Y; Okada, S; Matsunaga, S The University of Tokyo http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50047352 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=50047352&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 118707673 313068780 CHEMBL3314610 C03834 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03 50271738 CC(C)C[C@H](NC(=O)[C@H](C)NC(=O)C[C@H](O)[C@H](CC(C)C)NC(=O)[C@@H](NC(=O)[C@@H](NC(C)=O)C(C)C)C(C)C)[C@@H](O)CC(O)=O InChI=1S/C31H57N5O9/c1-15(2)11-21(35-30(44)28(18(7)8)36-31(45)27(17(5)6)33-20(10)37)23(38)13-25(40)32-19(9)29(43)34-22(12-16(3)4)24(39)14-26(41)42/h15-19,21-24,27-28,38-39H,11-14H2,1-10H3,(H,32,40)(H,33,37)(H,34,43)(H,35,44)(H,36,45)(H,41,42)/t19-,21-,22-,23-,24-,27-,28-/m0/s1 WKYBEGDEGRCZNF-LBTYKNIQSA-N 50368642 ACETYLPEPSTATIN Cathepsin B Bos taurus 17000 ChEMBL 10.1021/np500337m 24960234 Sun, Y; Takada, K; Nogi, Y; Okada, S; Matsunaga, S The University of Tokyo http://www.bindingdb.org/bind/chemsearch/marvin/MolStructure.jsp?monomerid=50368642 http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=pol&polymerid=1730&target=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search http://www.bindingdb.org/jsp/dbsearch/PrimarySearch_ki.jsp?energyterm=kJ/mole&tag=r21&monomerid=50368642&enzyme=Cathepsin+B&column=ki&startPg=0&Increment=50&submit=Search 5481345 160847744 C03834 ZINC29473291 1 MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCGAILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSWNTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY 1CSB,1HUC,1ITO,1SP4,2DC6,2DC7,2DC8,2DC9,2DCA,2DCB,2DCC,2DCD,2IPP Cathepsin B CATB_BOVIN P07688 Q3ZC03