PPIRE01886
Target Protein Information
| Protein_Name | Procathepsin L |
|---|---|
| Protein_Sequence | MNPTLILAAFCLGIASATLTFDHSLEAQWTKWKAMHNRLYGMNEEGWRRAVWEKNMKMIELHNQEYREGKHSFTMAMNAFGDMTSEEFRQVMNGFQNRKPRKGKVFQEPLFYEAPRSVDWREKGYVTPVKNQGQCGSCWAFSATGALEGQMFRKTGRLISLSEQNLVDCSGPQGNEGCNGGLMDYAFQYVQDNGGLDSEESYPYEATEESCKYNPKYSVANDTGFVDIPKQEKALMKAVATVGPISVAIDAGHESFLFYKEGIYFEPDCSSEDMDHGVLVVGYGFESTESDNNKYWLVKNSWGEEWGMGGYVKMAKDRRNHCGIASAASYPTV |
| Organism_Source | Homo sapiens |
| Functional_Classification | Enzyme |
| Cellular_Localization | Lysosome |
| Gene_Names | CTSL |
| UniProt_ID | P07711 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | PEP2 |
|---|---|
| Peptide_Sequence | PGRCYQKIPAFYYNQKKKQVEGFTWSGCGG |
| Peptide_Length | 30 |
| Peptide_SMILES | CC[C@H](C)[C@H](NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CS)NC(=O)[C@H](CCCNC(=N)N)NC(=O)CNC(=O)[C@@H]1CCCN1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](C)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@H](C(=O)N[C@@H](CCC(=O)O)C(=O)NCC(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@H](C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](CO)C(=O)NCC(=O)N[C@@H](CS)C(=O)NCC(=O)NCC(=O)O)[C@@H](C)O)C(C)C |
| Chemical_Modification | None |
| Cyclization_Method | C4<->C28; side chain cyclization; disulfide bond |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | Free |
| C-terminal_Modification | Free |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 3441.93 |
|---|---|
| Aliphatic_Index | 26.00000 |
| Aromaticity | 0.20000 |
| Average_Rotatable_Bonds | 3.70000 |
| Charge_at_pH_7 | 3.87208 |
| Isoelectric_Point | 9.71707 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 48 |
| Number_of_Hydrogen_Bond_Donors | 50 |
| Topological_Polar_Surface_Area | 1377.02000 |
| X_logP_energy | -13.12963 |
Interaction Information
| Affinity | Ki=1.96 uM |
|---|---|
| Affinity_Assay | Enzyme Inhibition Kinetics |
| PDB_ID | None |
| Type | Inhibitor |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | A Kunitz-type peptide from Dendroaspis polylepis venom as a simultaneous inhibitor of serine and cysteine proteases. |
| Release_Year | 2020 |
| PMID | 33088285 |
| DOI | 10.1590/1678-9199-JVATITD-2020-0037 |