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
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