tokens: Because HLA class II molecules present antigen to T cell receptors ( TCRs ) , we have searched for a TCR gene associated with the production of anti- Ro ( SSA ) antibodies .
folded_tokens: because hla class ii molecules present antigen to t cell receptors ( tcrs ) , we have searched for a tcr gene associated with the production of anti- ro ( ssa ) antibodies .
labels: O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_family_or_group O O O O O O O B-DNA_family_or_group I-DNA_family_or_group O O O O O B-protein_family_or_group B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O