PPIRE05876
Target Protein Information
| Protein_Name | Dipeptidyl peptidase 4 |
|---|---|
| Protein_Sequence | MKTPWKVLLGLLGAAALVTIITVPVVLLNKGTDDATADSRKTYTLTDYLKNTYRLKLYSLRWISDHEYLYKQENNILVFNAEYGNSSVFLENSTFDEFGHSINDYSISPDGQFILLEYNYVKQWRHSYTASYDIYDLNKRQLITEERIPNNTQWVTWSPVGHKLAYVWNNDIYVKIEPNLPSYRITWTGKEDIIYNGITDWVYEEEVFSAYSALWWSPNGTFLAYAQFNDTEVPLIEYSFYSDESLQYPKTVRVPYPKAGAVNPTVKFFVVNTDSLSSVTNATSIQITAPASMLIGDHYLCDVTWATQERISLQWLRRIQNYSVMDICDYDESSGRWNCLVARQHIEMSTTGWVGRFRPSEPHFTLDGNSFYKIISNEEGYRHICYFQIDKKDCTFITKGTWEVIGIEALTSDYLYYISNEYKGMPGGRNLYKIQLSDYTKVTCLSCELNPERCQYYSVSFSKEAKYYQLRCSGPGLPLYTLHSSVNDKGLRVLEDNSALDKMLQNVQMPSKKLDFIILNETKFWYQMILPPHFDKSKKYPLLLDVYAGPCSQKADTVFRLNWATYLASTENIIVASFDGRGSGYQGDKIMHAINRRLGTFEVEDQIEAARQFSKMGFVDNKRIAIWGWSYGGYVTSMVLGSGSGVFKCGIAVAPVSRWEYYDSVYTERYMGLPTPEDNLDHYRNSTVMSRAENFKQVEYLLIHGTADDNVHFQQSAQISKALVDVGVDFQAMWYTDEDHGIASSTAHQHIYTHMSHFIKQCFSLP |
| Organism_Source | Homo sapiens |
| Functional_Classification | serine proteases |
| Cellular_Localization | Plasma membrane |
| Gene_Names | DPP4 |
| UniProt_ID | P27487 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | VPYPQ |
|---|---|
| Peptide_Sequence | VPYPQ |
| Peptide_Length | 5 |
| Peptide_SMILES | CC(C)[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(N)=O)C(=O)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 | 602.69 |
|---|---|
| Aliphatic_Index | 58.00000 |
| Aromaticity | 0.20000 |
| Average_Rotatable_Bonds | 2.60000 |
| Charge_at_pH_7 | -0.00287 |
| Isoelectric_Point | 6.09320 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 8 |
| Number_of_Hydrogen_Bond_Donors | 6 |
| Topological_Polar_Surface_Area | 225.46000 |
| X_logP_energy | -0.78030 |
Interaction Information
| Affinity | IC50=41.45 uM |
|---|---|
| Affinity_Assay | Enzyme Inhibition Kinetics |
| PDB_ID | None |
| Type | Inhibitor |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | In Vitro Metabolic Stability of a Casein-Derived Dipeptidyl Peptidase-IV (DPP-IV)Inhibitory Peptide VPYPQ and Its Controlled Release from Casein by Enzymatic Hydrolysis. |
| Release_Year | 2019 |
| PMID | 31466448 |
| DOI | 10.1021/acs.jafc.9b03164 |