PPIRE08211
Target Protein Information
| Protein_Name | Melanocyte-stimulating hormone receptor |
|---|---|
| Protein_Sequence | MSTQEPQKSLLGSLNSNATSHLGLATNQSEPWCLYVSIPDGLFLSLGLVSLVENVLVVIAITKNRNLHSPMYYFICCLALSDLMVSVSIVLETTIILLLEAGILVARVALVQQLDNLIDVLICGSMVSSLCFLGIIAIDRYISIFYALRYHSIVTLPRARRAVVGIWMVSIVSSTLFITYYKHTAVLLCLVTFFLAMLALMAILYAHMFTRACQHAQGIAQLHKRRRSIRQGFCLKGAATLTILLGIFFLCWGPFFLHLLLIVLCPQHPTCSCIFKNFNLFLLLIVLSSTVDPLIYAFRSQELRMTLKEVLLCSW |
| Organism_Source | Mus musculus |
| Functional_Classification | G protein-coupled receptor |
| Cellular_Localization | Plasma membrane |
| Gene_Names | Mc1r |
| UniProt_ID | Q01727 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | HYNIC-PEG2Nle-CycMSHhex |
|---|---|
| Peptide_Sequence | XXDHfRWK |
| Peptide_Length | 8 |
| Peptide_SMILES | N=C(N)NCCC[C@H](NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](Cc1c[nH]cn1)NC(=O)[C@H](CC(=O)O)NC(=O)CNC(=O)CN)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](CCCCN)C(=O)O |
| Chemical_Modification | X1=PEG2; X2=norleucine |
| Cyclization_Method | Side chain-side chain cyclization; D3<->K8; amide bond |
| Linear/Cyclic | Cyclic |
| N-terminal_Modification | Hynic |
| C-terminal_Modification | amide |
| Amino_Acid_Distribution | |
|
|
|
Peptide Physicochemical
| Molecular_Weight | 1002.10 |
|---|---|
| Aliphatic_Index | 0.00000 |
| Aromaticity | 0.25000 |
| Average_Rotatable_Bonds | 3.87500 |
| Charge_at_pH_7 | 1.08904 |
| Isoelectric_Point | 9.69702 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 13 |
| Number_of_Hydrogen_Bond_Donors | 16 |
| Topological_Polar_Surface_Area | 436.71000 |
| X_logP_energy | -3.14583 |
Interaction Information
| Affinity | IC50=0.4 nM |
|---|---|
| Affinity_Assay | in vitro competitive receptor binding assay |
| PDB_ID | None |
| Type | Agonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Introduction of an 8-aminooctanoic acid linker enhances uptake of 99mTc-labeled lactam bridge-cyclized Alpha-MSH peptide in melanoma. |
| Release_Year | 2014 |
| PMID | 25453052 |
| DOI | 10.2967/jnumed.114.145896 |