PPIRE11278

Target Protein Information
Protein_Name Phospholipid hydroperoxide glutathione peroxidase GPX4
Protein_Sequence MSLGRLCRLLKPALLCGALAAPGLAGTMCASRDDWRCARSMHEFSAKDIDGHMVNLDKYRGFVCIVTNVASQUGKTEVNYTQLVDLHARYAECGLRILAFPCNQFGKQEPGSNEEIKEFAAGYNVKFDMFSKICVNGDDAHPLWKWMKIQPKGKGILGNAIKWNFTKFLIDKNGCVVKRYGPMEEPLVIEKDLPHYF
Organism_Source Homo sapiens
Functional_Classification peroxidases
Cellular_Localization Cytoplasm
Gene_Names GPX4
UniProt_ID P36969
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name GXpep-2
Peptide_Sequence CRAWYQNYCALRR
Peptide_Length 13
Peptide_SMILES CC(C)C[C@H](NC(=O)[C@H](C)NC(=O)[C@H](CS)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CC(N)=O)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](C)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H](N)CS)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)O
Chemical_Modification None
Cyclization_Method Side chain-side chain cyclization; C1<->C9; disulfide bond
Linear/Cyclic Cyclic
N-terminal_Modification Acetyl
C-terminal_Modification amide
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 1702.97
Aliphatic_Index 45.38462
Aromaticity 0.23077
Average_Rotatable_Bonds 4.00000
Charge_at_pH_7 2.87232
Isoelectric_Point 9.41852
Number_of_Hydrogen_Bond_Acceptors 23
Number_of_Hydrogen_Bond_Donors 30
Topological_Polar_Surface_Area 740.65000
X_logP_energy -6.28729
Interaction Information
Affinity KD=0.61 uM
Affinity_Assay Surface plasmon resonance
PDB_ID None
Type Allosteric modulator
Structure
Reference Information
Document_Type Research Articles
Title Discovery of GPX4 inhibitory peptides from random peptide T7 phage display and subsequent structural analysis.
Release_Year 2016
PMID 27836545
DOI 10.1016/j.bbrc.2016.11.035