PPIRE11944

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 peptide 1
Peptide_Sequence MSILKIHAREIFDSR
Peptide_Length 15
Peptide_SMILES CC[C@H](C)[C@H](NC(=O)[C@H](CCCCN)NC(=O)[C@H](CC(C)C)NC(=O)[C@@H](NC(=O)[C@H](CO)NC(=O)[C@@H](N)CCSC)[C@@H](C)CC)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@H](C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCNC(=N)N)C(=O)O)[C@@H](C)CC
Chemical_Modification None
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 1816.15
Aliphatic_Index 110.66667
Aromaticity 0.06667
Average_Rotatable_Bonds 4.20000
Charge_at_pH_7 1.09081
Isoelectric_Point 9.69216
Number_of_Hydrogen_Bond_Acceptors 25
Number_of_Hydrogen_Bond_Donors 28
Topological_Polar_Surface_Area 764.28000
X_logP_energy -5.66896
Interaction Information
Affinity IC50=3.5 uM
Affinity_Assay competitive radioligand binding assay
PDB_ID None
Type Affinity ligand
Structure
Reference Information
Document_Type Research Articles
Title Functional and Structural Characterization of a Novel HLA-DRB1*04:01-Restricted Alpha-Enolase T Cell Epitope in Rheumatoid Arthritis.
Release_Year 2016
PMID 27895642
DOI 10.3389/fimmu.2016.00494