Human α-enolase (ENO1), an evolutionarily conserved and multifunctional protein, is a target self-antigen of rheumatoid arthritis (RA). Rheumatoid arthritis (RA) is genetically associated with MHC class II molecules, such as DRB1*0101, DRB1*0401 and DRB1*0404 allele. Among these DRB1 alleles, DRB1*0401 show the most correlation with RA. However, strong binding ability polypeptide of ENO1 with HLA-DRB1*0401 is still largely unknown. In this study, we used NetMHCII prediction method to predict the strong binding ability polypeptide with HLADRB1* 0401. Among the 434 predicted fragment pepti...