PPIRE06682

Target Protein Information
Protein_Name Cathepsin B
Protein_Sequence MWQLWASLCCLLVLANARSRPSFHPLSDELVNYVNKRNTTWQAGHNFYNVDMSYLKRLCGTFLGGPKPPQRVMFTEDLKLPASFDAREQWPQCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHTNAHVSVEVSAEDLLTCCGSMCGDGCNGGYPAEAWNFWTRKGLVSGGLYESHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKICEPGYSPTYKQDKHYGYNSYSVSNSEKDIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVTGEMMGGHAIRILGWGVENGTPYWLVANSWNTDWGDNGFFKILRGQDHCGIESEVVAGIPRTDQYWEKI
Organism_Source Homo sapiens
Functional_Classification cysteine proteases
Cellular_Localization Lysosome
Gene_Names CTSB
UniProt_ID P07858
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name Cabin-3
Peptide_Sequence VVSVLT
Peptide_Length 6
Peptide_SMILES CC(C)C[C@H](NC(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@@H](NC(=O)[C@@H](N)C(C)C)C(C)C)C(C)C)C(=O)N[C@H](C(=O)O)[C@@H](C)O
Chemical_Modification None
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 616.76
Aliphatic_Index 210.00000
Aromaticity 0.00000
Average_Rotatable_Bonds 3.00000
Charge_at_pH_7 -0.00202
Isoelectric_Point 6.10000
Number_of_Hydrogen_Bond_Acceptors 9
Number_of_Hydrogen_Bond_Donors 9
Topological_Polar_Surface_Area 249.28000
X_logP_energy -1.79050
Interaction Information
Affinity IC50=20 mM
Affinity_Assay Enzyme Inhibition Kinetics
PDB_ID None
Type Inhibitor
Structure
Reference Information
Document_Type Research Articles
Title Isolation of novel peptides, cabin-1, -2, -3, and -4, that inhibit cathepsin B from a thermolysin digest of human plasma.
Release_Year 2002
PMID 12033493
DOI 10.1248/bpb.25.564