PPIRE03424

Target Protein Information
Protein_Name Cathepsin B
Protein_Sequence MWWSLIPLSCLLALTSAHDKPSSHPLSDDMINYINKQNTTWQAGRNFYNVDISYLKKLCGTVLGGPNLPERVGFSEDINLPESFDAREQWSNCPTIAQIRDQGSCGSCWAFGAVEAMSDRICIHTNGRVNVEVSAEDLLTCCGIQCGDGCNGGYPSGAWNFWTRKGLVSGGVYNSHIGCLPYTIPPCEHHVNGSRPPCTGEGDTPKCNKMCEAGYSTSYKEDKHYGYTSYSVSDSEKEIMAEIYKNGPVEGAFTVFSDFLTYKSGVYKHEAGDVMGGHAIRILGWGIENGVPYWLVANSWNVDWGDNGFFKILRGENHCGIESEIVAGIPRTQQYWGRF
Organism_Source Rattus norvegicus
Functional_Classification Enzyme
Cellular_Localization Lysosome
Gene_Names Ctsb
UniProt_ID P00787
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name PB9
Peptide_Sequence LCGTVLGGPKLPERV
Peptide_Length 15
Peptide_SMILES CC(C)C[C@H](NC(=O)[C@@H](NC(=O)[C@@H](NC(=O)CNC(=O)[C@H](CS)NC(=O)[C@@H](N)CC(C)C)[C@@H](C)O)C(C)C)C(=O)NCC(=O)NCC(=O)N1CCC[C@H]1C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@H](C(=O)O)C(C)C
Chemical_Modification None
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 1538.87
Aliphatic_Index 116.66667
Aromaticity 0.00000
Average_Rotatable_Bonds 3.20000
Charge_at_pH_7 0.93749
Isoelectric_Point 8.54513
Number_of_Hydrogen_Bond_Acceptors 21
Number_of_Hydrogen_Bond_Donors 21
Topological_Polar_Surface_Area 598.59000
X_logP_energy -4.88993
Interaction Information
Affinity Ki=11.6 uM
Affinity_Assay Enzyme Inhibition Kinetics
PDB_ID None
Type Inhibitor
Structure
Reference Information
Document_Type Research Articles
Title Inhibition of cathepsin B by its propeptide: use of overlapping peptides to identify a critical segment.
Release_Year 1996
PMID 8774851
DOI 10.1016/0014-5793(96)00822-8