PPIRE10751

Target Protein Information
Protein_Name Cathepsin E
Protein_Sequence MKPLFVLLLLLLLLDLAQAQGVLHRVPLRRHQSLRKKLRAQGQLSDFWRSHNLDMIEFSESCNVDKGINEPLINYLDMEYFGTVSIGSPSQNFTVIFDTGSSNLWVPSVYCTSPACKAHPVFHPSQSSTYMEVGNHFSIQYGTGSLTGIIGADQVSVEGLTVEGQQFGESVKEPGQTFVNAEFDGILGLGYPSLAVGGVTPVFDNMMAQNLVALPMFSVYLSSDPQGGSGSELTFGGYDPSHFSGSLNWIPVTKQGYWQIALDGIQVGDTVMFCSEGCQAIVDTGTSLITGPPKKIKQLQEAIGATPMDGEYAVDCATLNMMPNVTFLINGVSYTLSPTAYILPDLVDGMQFCGSGFQGLDIQPPAGPLWILGDVFIRKFYSVFDRGNNQVGLAPAVP
Organism_Source Rattus norvegicus
Functional_Classification aspartic proteases
Cellular_Localization Lysosome
Gene_Names Ctse
UniProt_ID P16228
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name Pi101
Peptide_Sequence SCGGIIIISCIA
Peptide_Length 12
Peptide_SMILES CC[C@H](C)[C@H](NC(=O)CNC(=O)CNC(=O)[C@H](CS)NC(=O)[C@@H](N)CO)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CO)C(=O)N[C@@H](CS)C(=O)N[C@H](C(=O)N[C@@H](C)C(=O)O)[C@@H](C)CC)[C@@H](C)CC)[C@@H](C)CC)[C@@H](C)CC
Chemical_Modification None
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 1149.43
Aliphatic_Index 170.83333
Aromaticity 0.00000
Average_Rotatable_Bonds 3.08333
Charge_at_pH_7 -0.12597
Isoelectric_Point 5.82601
Number_of_Hydrogen_Bond_Acceptors 17
Number_of_Hydrogen_Bond_Donors 17
Topological_Polar_Surface_Area 423.88000
X_logP_energy -3.91150
Interaction Information
Affinity Ki=5 nM
Affinity_Assay Enzyme Inhibition Kinetics
PDB_ID None
Type Inhibitor
Structure
Reference Information
Document_Type Research Articles
Title Development of systemic in vitro evolution and its application to generation of peptide-aptamer-based inhibitors of cathepsin E.
Release_Year 2009
PMID 19150354
DOI 10.1016/j.jmb.2008.12.028