PPIRE07427
Target Protein Information
| Protein_Name | C-X-C chemokine receptor type 4 |
|---|---|
| Protein_Sequence | MEGISIYTSDNYTEEMGSGDYDSMKEPCFREENANFNKIFLPTIYSIIFLTGIVGNGLVILVMGYQKKLRSMTDKYRLHLSVADLLFVITLPFWAVDAVANWYFGNFLCKAVHVIYTVNLYSSVLILAFISLDRYLAIVHATNSQRPRKLLAEKVVYVGVWIPALLLTIPDFIFANVSEADDRYICDRFYPNDLWVVVFQFQHIMVGLILPGIVILSCYCIIISKLSHSKGHQKRKALKTTVILILAFFACWLPYYIGISIDSFILLEIIKQGCEFENTVHKWISITEALAFFHCCLNPILYAFLGAKFKTSAQHALTSVSRGSSLKILSKGKRGGHSSVSTESESSSFHSS |
| Organism_Source | Homo sapiens |
| Functional_Classification | G protein-coupled receptor |
| Cellular_Localization | Plasma membrane |
| Gene_Names | CXCR4 |
| UniProt_ID | P61073 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | Peptide R |
|---|---|
| Peptide_Sequence | RACRFFC |
| Peptide_Length | 7 |
| Peptide_SMILES | C[C@H](NC(=O)[C@@H](N)CCCNC(=N)N)C(=O)N[C@@H](CS)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CS)C(=O)O |
| Chemical_Modification | None |
| Cyclization_Method | Side chain-side chain cyclization; C3<->C7; disulfide bond |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | Free |
| C-terminal_Modification | Free |
| Amino_Acid_Distribution | |
|
|
|
Peptide Physicochemical
| Molecular_Weight | 902.10 |
|---|---|
| Aliphatic_Index | 14.28571 |
| Aromaticity | 0.28571 |
| Average_Rotatable_Bonds | 3.85714 |
| Charge_at_pH_7 | 1.87403 |
| Isoelectric_Point | 8.83492 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 12 |
| Number_of_Hydrogen_Bond_Donors | 16 |
| Topological_Polar_Surface_Area | 361.72000 |
| X_logP_energy | -2.80146 |
Interaction Information
| Affinity | IC50=51 nM |
|---|---|
| Affinity_Assay | migration assay |
| PDB_ID | None |
| Type | antagonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | CXCR4-antagonist Peptide R-liposomes for combined therapy against lung metastasis. |
| Release_Year | 2016 |
| PMID | 26983756 |
| DOI | 10.1039/c5nr06335c |