PPIRE01080

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 Aggrecan-93Cit89-103
Peptide_Sequence ATEGXVRVNSAYQDK
Peptide_Length 15
Peptide_SMILES CC(C)[C@H](NC(=O)CNC(=O)CNC(=O)[C@H](CCC(=O)O)NC(=O)[C@@H](NC(=O)[C@H](C)N)[C@@H](C)O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@H](C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CO)C(=O)N[C@@H](C)C(=O)N[C@@H](Cc1ccc(O)cc1)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)O)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 1594.70
Aliphatic_Index 52.00000
Aromaticity 0.06667
Average_Rotatable_Bonds 3.53333
Charge_at_pH_7 -0.00094
Isoelectric_Point 6.48752
Number_of_Hydrogen_Bond_Acceptors 25
Number_of_Hydrogen_Bond_Donors 27
Topological_Polar_Surface_Area 780.11000
X_logP_energy -11.00583
Interaction Information
Affinity IC50=34.27 uM
Affinity_Assay Fluorescence Polarization
PDB_ID None
Type Affinity ligand
Structure
Reference Information
Document_Type Research Articles
Title The interplay between citrullination and HLA-DRB1 polymorphism in shaping peptide binding hierarchies in rheumatoid arthritis.
Release_Year 2018
PMID 29317506
DOI 10.1074/jbc.RA117.001013