PPIRE07326

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 4
Peptide_Sequence yaFWXDF
Peptide_Length 7
Peptide_SMILES C[C@H](NC(=O)[C@@H](N)Cc1ccc(O)cc1)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)NCC(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](Cc1ccccc1)C(=O)O
Chemical_Modification X5=N-methylnorleucine
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 904.98
Aliphatic_Index 14.28571
Aromaticity 0.57143
Average_Rotatable_Bonds 3.28571
Charge_at_pH_7 -1.00242
Isoelectric_Point 3.74999
Number_of_Hydrogen_Bond_Acceptors 10
Number_of_Hydrogen_Bond_Donors 11
Topological_Polar_Surface_Area 311.24000
X_logP_energy 0.59080
Interaction Information
Affinity IC50=18 nM
Affinity_Assay radioligand binding assay
PDB_ID None
Type Agonist
Structure
Reference Information
Document_Type Research Articles
Title Conformationally readdressed CCK-B/delta-opioid peptide ligands.
Release_Year 1995
PMID 7578939
DOI 10.1002/bip.360360407