PPIRE08948

Target Protein Information
Protein_Name Gastrin-releasing peptide receptor
Protein_Sequence MALNDCFLLNLEVDHFMHCNISSHSADLPVNDDWSHPGILYVIPAVYGVIILIGLIGNITLIKIFCTVKSMRNVPNLFISSLALGDLLLLITCAPVDASRYLADRWLFGRIGCKLIPFIQLTSVGVSVFTLTALSADRYKAIVRPMDIQASHALMKICLKAAFIWIISMLLAIPEAVFSDLHPFHEESTNQTFISCAPYPHSNELHPKIHSMASFLVFYVIPLSIISVYYYFIAKNLIQSAYNLPVEGNIHVKKQIESRKRLAKTVLVFVGLFAFCWLPNHVIYLYRSYHYSEVDTSMLHFVTSICARLLAFTNSCVNPFALYLLSKSFRKQFNTQLLCCQPGLIIRSHSTGRSTTCMTSLKSTNPSVATFSLINGNICHERYV
Organism_Source Homo sapiens
Functional_Classification G protein-coupled receptor
Cellular_Localization Plasma membrane
Gene_Names GRPR
UniProt_ID P30550
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name BBN-2
Peptide_Sequence XQWAVXHXX
Peptide_Length 9
Peptide_SMILES CC(C)[C@H](NC(=O)[C@H](C)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](CCC(N)=O)NC(=O)CN)C(=O)NCC(=O)N[C@@H](Cc1c[nH]cn1)C(=O)NCC(=O)NCC(=O)O
Chemical_Modification X1=5-aminovaleric acid; X6=sarcosine; X8=(4R,5S)-4-amino-5-methylheptanoic acid; X9=2-amino-3,3-dimethylbutyric acid
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Fluorobenzoyl
C-terminal_Modification amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 867.92
Aliphatic_Index 43.33333
Aromaticity 0.11111
Average_Rotatable_Bonds 2.77778
Charge_at_pH_7 0.08889
Isoelectric_Point 7.55032
Number_of_Hydrogen_Bond_Acceptors 12
Number_of_Hydrogen_Bond_Donors 13
Topological_Polar_Surface_Area 383.68000
X_logP_energy -4.56650
Interaction Information
Affinity IC50=8.7 nM
Affinity_Assay competitive radioligand binding assay
PDB_ID None
Type antagonist
Structure
Reference Information
Document_Type Research Articles
Title Synthesis and radiopharmacological evaluation of a high-affinity and metabolically stabilized 18F-labeled bombesin analogue for molecular imaging of gastrin-releasing peptide receptor-expressing prostate cancer.
Release_Year 2013
PMID 23969085
DOI 10.1016/j.nucmedbio.2013.07.005