PPIRE01094

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 CILP-305Cit297-309
Peptide_Sequence ATIKAEFVXAETP
Peptide_Length 13
Peptide_SMILES CC[C@H](C)[C@H](NC(=O)[C@@H](NC(=O)[C@H](C)N)[C@@H](C)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](Cc1ccccc1)C(=O)N[C@H](C(=O)NCC(=O)N[C@@H](C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@H](C(=O)N1CCC[C@H]1C(=O)O)[C@@H](C)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 1333.50
Aliphatic_Index 75.38462
Aromaticity 0.07692
Average_Rotatable_Bonds 3.15385
Charge_at_pH_7 -0.99876
Isoelectric_Point 4.25815
Number_of_Hydrogen_Bond_Acceptors 19
Number_of_Hydrogen_Bond_Donors 18
Topological_Polar_Surface_Area 544.81000
X_logP_energy -5.02180
Interaction Information
Affinity IC50=8.06 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