PPIRE05795

Target Protein Information
Protein_Name HLA class II histocompatibility antigen, DRB1 beta chain
Protein_Sequence MVCLKLPGGSCMTALTVTLMVLSSPLALSGDTRPRFLWQPKRECHFFNGTERVRFLDRYFYNQEESVRFDSDVGEFRAVTELGRPDAEYWNSQKDILEQARAAVDTYCRHNYGVVESFTVQRRVQPKVTVYPSKTQPLQHHNLLVCSVSGFYPGSIEVRWFLNGQEEKAGMVSTGLIQNGDWTFQTLVMLETVPRSGEVYTCQVEHPSVTSPLTVEWRARSESAQSKMLSGVGGFVLGLLFLGAGLFIYFRNQKGHSGLQPTGFLS
Organism_Source Homo sapiens
Functional_Classification MHC class II
Cellular_Localization Plasma membrane
Gene_Names HLA-DRB1
UniProt_ID P01911
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name p25/256-270
Peptide_Sequence IPVGEIYKRWIILGL
Peptide_Length 15
Peptide_SMILES CC[C@H](C)[C@H](N)C(=O)N1CCC[C@H]1C(=O)N[C@H](C(=O)NCC(=O)N[C@@H](CCC(=O)O)C(=O)N[C@H](C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CC(C)C)C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)O)[C@@H](C)CC)[C@@H](C)CC)[C@@H](C)CC)C(C)C
Chemical_Modification None
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 1770.19
Aliphatic_Index 175.33333
Aromaticity 0.13333
Average_Rotatable_Bonds 3.73333
Charge_at_pH_7 0.99861
Isoelectric_Point 9.29736
Number_of_Hydrogen_Bond_Acceptors 20
Number_of_Hydrogen_Bond_Donors 22
Topological_Polar_Surface_Area 623.17000
X_logP_energy 0.81647
Interaction Information
Affinity IC50=0.3 mM
Affinity_Assay competitive radioligand binding assay
PDB_ID None
Type Affinity ligand
Structure
Reference Information
Document_Type Research Articles
Title Role of polymorphic residues of human leucocyte antigen-DR molecules on the binding of human immunodeficiency virus peptides.
Release_Year 1996
PMID 8778027
DOI 10.1046/j.1365-2567.1996.458547.x