PPIRE05377

Target Protein Information
Protein_Name Cathepsin B
Protein_Sequence MWQLWASLCCLLVLANARSRPSFHPLSDELVNYVNKRNTTWQAGHNFYNVDMSYLKRLCGTFLGGPKPPQRVMFTEDLKLPASFDAREQWPQCPTIKEIRDQGSCGSCWAFGAVEAISDRICIHTNAHVSVEVSAEDLLTCCGSMCGDGCNGGYPAEAWNFWTRKGLVSGGLYESHVGCRPYSIPPCEHHVNGSRPPCTGEGDTPKCSKICEPGYSPTYKQDKHYGYNSYSVSNSEKDIMAEIYKNGPVEGAFSVYSDFLLYKSGVYQHVTGEMMGGHAIRILGWGVENGTPYWLVANSWNTDWGDNGFFKILRGQDHCGIESEVVAGIPRTDQYWEKI
Organism_Source Homo sapiens
Functional_Classification cysteine protease
Cellular_Localization Lysosome
Gene_Names CTSB
UniProt_ID P07858
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name Z-Arg-Arg-AMC
Peptide_Sequence XRRX
Peptide_Length 4
Peptide_SMILES N=C(N)NCCC[C@H](NC(=O)CN)C(=O)N[C@@H](CCCNC(=N)N)C(=O)NCC(=O)O
Chemical_Modification X1=benzyloxycarbonyl (Z) X4=AMC group
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 444.49
Aliphatic_Index 0.00000
Aromaticity 0.00000
Average_Rotatable_Bonds 3.75000
Charge_at_pH_7 1.99798
Isoelectric_Point 12.50011
Number_of_Hydrogen_Bond_Acceptors 7
Number_of_Hydrogen_Bond_Donors 11
Topological_Polar_Surface_Area 274.42000
X_logP_energy -4.35796
Interaction Information
Affinity Km=357 mM
Affinity_Assay Enzyme Inhibition Kinetics
PDB_ID None
Type Affinity ligand
Structure
Reference Information
Document_Type Research Articles
Title Characterisation of Tc-cpl-1, a cathepsin L-like cysteine protease from Toxocara canis infective larvae
Release_Year 1998
PMID 9657332
DOI 10.1016/s0166-6851(97)00245-4