PPIRE12817
Target Protein Information
| Protein_Name | Gastrin/cholecystokinin type B receptor |
|---|---|
| Protein_Sequence | MELLKLNRSVQGPGPGSGSSLCRPGVSLLNSSSAGNLSCDPPRIRGTGTRELEMAIRITLYAVIFLMSVGGNVLIIVVLGLSRRLRTVTNAFLLSLAVSDLLLAVACMPFTLLPNLMGTFIFGTVICKAISYLMGVSVSVSTLNLVAIALERYSAICRPLQARVWQTRSHAARVILATWLLSGLLMVPYPVYTMVQPVGPRVLQCMHRWPSARVQQTWSVLLLLLLFFIPGVVIAVAYGLISRELYLGLHFDGENDSETQSRARNQGGLPGGAAPGPVHQNGGCRPVTSVAGEDSDGCCVQLPRSRLEMTTLTTPTPGPVPGPRPNQAKLLAKKRVVRMLLVIVLLFFLCWLPVYSVNTWRAFDGPGAQRALSGAPISFIHLLSYVSACVNPLVYCFMHRRFRQACLDTCARCCPRPPRARPQPLPDEDPPTPSIASLSRLSYTTISTLGPG |
| Organism_Source | Rattus norvegicus |
| Functional_Classification | G protein-coupled receptor |
| Cellular_Localization | Plasma membrane |
| Gene_Names | Cckbr |
| UniProt_ID | P30553 |
| Protein-Protein Interaction Networks | |
Peptide Basic Information
| Peptide_Name | MGD5 |
|---|---|
| Peptide_Sequence | EAYGWXLDFEAYGWXLDF |
| Peptide_Length | 18 |
| Peptide_SMILES | CC(C)C[C@H](NC(=O)CNC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)CNC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](C)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)CNC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)CNC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](C)NC(=O)[C@@H](N)CCC(=O)O)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](Cc1ccccc1)C(=O)O |
| Chemical_Modification | X6=norleucine; X15=norleucine |
| Cyclization_Method | None |
| Linear/Cyclic | Linear |
| N-terminal_Modification | Dota |
| C-terminal_Modification | amide |
| Amino_Acid_Distribution | |
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Peptide Physicochemical
| Molecular_Weight | 2096.24 |
|---|---|
| Aliphatic_Index | 54.44444 |
| Aromaticity | 0.33333 |
| Average_Rotatable_Bonds | 3.38889 |
| Charge_at_pH_7 | -3.99927 |
| Isoelectric_Point | 3.29497 |
|---|---|
| Number_of_Hydrogen_Bond_Acceptors | 25 |
| Number_of_Hydrogen_Bond_Donors | 27 |
| Topological_Polar_Surface_Area | 779.26000 |
| X_logP_energy | -2.19350 |
Interaction Information
| Affinity | KD=0.7 nM |
|---|---|
| Affinity_Assay | saturation binding assay |
| PDB_ID | None |
| Type | Agonist |
| Structure | |
Reference Information
| Document_Type | Research Articles |
|---|---|
| Title | Targeting of CCK-2 receptor-expressing tumors using a radiolabeled divalent gastrin peptide. |
| Release_Year | 2009 |
| PMID | 19910426 |
| DOI | 10.2967/jnumed.109.064808 |