PPIRE10149

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 RQApSIELPSM
Peptide_Sequence RQAXSIELPSM
Peptide_Length 11
Peptide_SMILES CC[C@H](C)[C@H](NC(=O)[C@H](CO)NC(=O)CNC(=O)[C@H](C)NC(=O)[C@H](CCC(N)=O)NC(=O)[C@@H](N)CCCNC(=N)N)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CO)C(=O)N[C@@H](CCSC)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 1188.36
Aliphatic_Index 80.00000
Aromaticity 0.00000
Average_Rotatable_Bonds 3.54545
Charge_at_pH_7 -0.00024
Isoelectric_Point 6.41015
Number_of_Hydrogen_Bond_Acceptors 18
Number_of_Hydrogen_Bond_Donors 18
Topological_Polar_Surface_Area 528.28000
X_logP_energy -6.37273
Interaction Information
Affinity IC50=11.2 nM
Affinity_Assay competitive radioligand binding assay
PDB_ID 3BH8
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