Ki Summary new BindingDB logo
myBDB logout
Reaction Details
Report a problem with these data
TargetCathepsin B
LigandBDBM16509
Substrate/CompetitorBDBM16498
Meas. Tech.Inhibitory Activity Measurement of Bovine Cathepsin B.
pH6±n/a
Temperature313.15±n/a K
IC50 38±n/a nM
CommentsThe second order rate constant, k2 =112000 M-1s-1.
Citation Watanabe DYamamoto ATomoo KMatsumoto KMurata MKitamura KIshida 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 Biol 362:979-93 (2006) [PubMed]  Article
More Info.:Get all data from this article,   Solution Info,  Assay Method
 
Cathepsin B
Name:Cathepsin B
Synonyms:BCSB | Cathepsin B precursor | Cathepsin B1
Type:Enzyme
Mol. Mass.:36657.87
Organism:Bos taurus (bovine)
Description:Bovine spleen CB was purchased from Sigma Co. (USA).
Residue:335
Sequence:
MWRLLATLSCLLVLTSARSSLYFPPLSDELVNFVNKQNTTWKAGHNFYNVDLSYVKKLCG
AILGGPKLPQRDAFAADVVLPESFDAREQWPNCPTIKEIRDQGSCGSCWAFGAVEAISDR
ICIHSNGRVNVEVSAEDMLTCCGGECGDGCNGGFPSGAWNFWTKKGLVSGGLYNSHVGCR
PYSIPPCEHHVNGSRPPCTGEGDTPKCSKTCEPGYSPSYKEDKHFGCSSYSVANNEKEIM
AEIYKNGPVEGAFSVYSDFLLYKSGVYQHVSGEIMGGHAIRILGWGVENGTPYWLVGNSW
NTDWGDNGFFKILRGQDHCGIESEIVAGMPCTHQY
Blast this sequence in BindingDB or PDB
  Blast E-value cutoff:
BDBM16509
BDBM16498
NameBDBM16509
Synonyms:(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
TypeSmall organic molecule
Emp. Form.C18H29N3O6
Mol. Mass.383.4394
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)NCCC |r|
Structure
Search PDB for entries with ligand similarity:Similarity to this molecule at least: