PPIRE05962
Target Protein Information
| Protein_Name | Kappa-type opioid receptor |
|---|---|
| Protein_Sequence | MGRRRQGPAQPASELPARNACLLPNGSAWLPGWAEPDGNGSAGPQDEQLEPAHISPAIPVIITAVYSVVFVVGLVGNSLVMFVIIRYTKMKTATNIYIFNLALADALVTTTMPFQSTVYLMNSWPFGDVLCKIVISIDYYNMFTSIFTLTMMSVDRYIAVCHPVKALDFRTPLKAKIINICIWLLSSSVGISAIILGGTKVREDVDIIECSLQFPDDDYSWWDLFMKICVFVFAFVIPVLIIIVCYTLMILRLKSVRLLSGSREKDRNLRRITRLVLVVVAVFIICWTPIHIFILVEALGSTSHSTAALSSYYFCIALGYTNSSLNPILYAFLDENFKRCFRDFCFPIKMRMERQSTSRVRNTVQDPAYMRNVDGVNKPV |
| Organism_Source | Cavia porcellus |
| Functional_Classification | G protein-coupled receptor |
| Cellular_Localization | Plasma membrane |
| Gene_Names | OPRK1 |
| UniProt_ID | P41144 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | Leu5-enkephalin |
|---|---|
| Peptide_Sequence | YGGFL |
| Peptide_Length | 5 |
| Peptide_SMILES | CC(C)C[C@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)CNC(=O)CNC(=O)[C@@H](N)Cc1ccc(O)cc1)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 | 555.63 |
|---|---|
| Aliphatic_Index | 78.00000 |
| Aromaticity | 0.40000 |
| Average_Rotatable_Bonds | 3.00000 |
| Charge_at_pH_7 | -0.00287 |
| Isoelectric_Point | 6.09320 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 7 |
| Number_of_Hydrogen_Bond_Donors | 7 |
| Topological_Polar_Surface_Area | 199.95000 |
| X_logP_energy | -0.16260 |
Interaction Information
| Affinity | IC50=319 nM |
|---|---|
| Affinity_Assay | in vitro bioassay |
| PDB_ID | None |
| Type | Agonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | [Leu5]enkephalin containing peptides derived from a common precursor: evaluation of opioid activity in in vitro bioassays. |
| Release_Year | 1984 |
| PMID | 6327333 |
| DOI | 10.1016/0014-2999(84)90287-5 |