| Reaction Details |
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 | Report a problem with these data |
| Target | Cathepsin B |
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| Ligand | BDBM16502 |
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| Substrate/Competitor | BDBM16498 |
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| Meas. Tech. | Inhibitory Activity Measurement of Bovine Cathepsin B. |
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| pH | 6±n/a |
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| Temperature | 313.15±n/a K |
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| IC50 | 29±n/a nM |
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| Comments | The second order rate constant, k2 =128000 M-1s-1. |
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| Citation |  Watanabe, D; Yamamoto, A; Tomoo, K; Matsumoto, K; Murata, M; Kitamura, K; Ishida, T Quantitative evaluation of each catalytic subsite of cathepsin B for inhibitory activity based on inhibitory activity-binding mode relationship of epoxysuccinyl inhibitors by X-ray crystal structure analyses of complexes. J Mol Biol362:979-93 (2006) [PubMed] Article |
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| More Info.: | Get all data from this article, Solution Info, Assay Method |
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| Cathepsin B |
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| Name: | Cathepsin B |
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| Synonyms: | BCSB | CATB_BOVIN | CTSB | Cathepsin B precursor | Cathepsin B1 |
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| Type: | Enzyme |
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| Mol. Mass.: | 36657.87 |
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| Organism: | Bos taurus (bovine) |
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| Description: | Bovine spleen CB was purchased from Sigma Co. (USA). |
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| Residue: | 335 |
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| Sequence: | MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCG
AILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDR
ICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCR
PYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIM
AEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSW
NTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY
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| BDBM16502 |
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| BDBM16498 |
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| Name | BDBM16502 |
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| Synonyms: | (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 |
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| Type | Small organic molecule |
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| Emp. Form. | C22H29N3O6 |
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| Mol. Mass. | 431.4822 |
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| SMILES | [H][C@@]1(O[C@]1([H])C(=O)N[C@@H]([C@@H](C)CC)C(=O)N1CCC[C@H]1C(O)=O)C(=O)NCc1ccccc1 |r| |
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| Structure | 
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