tokens: The carboxy-terminal half of the HBx protein was preferentially recognized by antibodies from patients with chronic hepatitis and contained a short immunodominant antigenic region with at least two major nonoverlapping epitopes .
folded_tokens: the carboxy-terminal half of the hbx protein was preferentially recognized by antibodies from patients with chronic hepatitis and contained a short immunodominant antigenic region with at least two major nonoverlapping epitopes .
labels: O B-protein_domain_or_region I-protein_domain_or_region O O B-protein_molecule O O O O O B-protein_family_or_group O B-multi_cell O B-other_name I-other_name O O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O O O O O B-protein_domain_or_region I-protein_domain_or_region O