tokens: The strong association of the disease with an epitope within the HLA-DR chain shared between various alleles of HLA-DR4 and DR1 emphasizes the importance of antigen presentation .
folded_tokens: the strong association of the disease with an epitope within the hla-dr chain shared between various alleles of hla-dr4 and dr1 emphasizes the importance of antigen presentation .
labels: O O O O O O O O B-protein_domain_or_region O O B-protein_subunit I-protein_subunit O O O O O B-protein_molecule O B-protein_molecule O O O O B-other_name I-other_name O