PPIRE08760

Target Protein Information
Protein_Name HLA class I histocompatibility antigen, A alpha chain
Protein_Sequence MAVMAPRTLLLLLSGALALTQTWAGSHSMRYFFTSVSRPGRGEPRFIAVGYVDDTQFVRFDSDAASQRMEPRAPWIEQEGPEYWDQETRNVKAQSQTDRVDLGTLRGYYNQSEAGSHTIQIMYGCDVGSDGRFLRGYRQDAYDGKDYIALNEDLRSWTAADMAAQITKRKWEAAHEAEQLRAYLDGTCVEWLRRYLENGKETLQRTDPPKTHMTHHPISDHEATLRCWALGFYPAEITLTWQRDGEDQTQDTELVETRPAGDGTFQKWAAVVVPSGEEQRYTCHVQHEGLPKPLTLRWELSSQPTIPIVGIIAGLVLLGAVITGAVVAAVMWRRKSSDRKGGSYTQAASSDSAQGSDVSLTACKV
Organism_Source Homo sapiens
Functional_Classification MHC class I
Cellular_Localization Plasma membrane
Gene_Names HLA-A
UniProt_ID P04439
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name RLDpSYVRSL
Peptide_Sequence RLDXYVRSL
Peptide_Length 9
Peptide_SMILES CC(C)C[C@H](NC(=O)[C@H](CO)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@@H](NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)CNC(=O)[C@H](CC(=O)O)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CCCNC(=N)N)C(C)C)C(=O)O
Chemical_Modification X4=O-phospho-L-serine
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 1078.24
Aliphatic_Index 118.88889
Aromaticity 0.11111
Average_Rotatable_Bonds 3.88889
Charge_at_pH_7 0.99757
Isoelectric_Point 9.34763
Number_of_Hydrogen_Bond_Acceptors 15
Number_of_Hydrogen_Bond_Donors 19
Topological_Polar_Surface_Area 497.68000
X_logP_energy -4.40186
Interaction Information
Affinity IC50=44.6 nM
Affinity_Assay competitive radioligand binding assay
PDB_ID None
Type Affinity ligand
Structure
Reference Information
Document_Type Research Articles
Title Phosphorylation-dependent interaction between antigenic peptides and MHC class I: a molecular basis for the presentation of transformed self.
Release_Year 2008
PMID 18836451
DOI 10.1038/ni.1660