tokens: Cytoplasmic domain heterogeneity and functions of IgG Fc receptors in B lymphocytes .
folded_tokens: cytoplasmic domain heterogeneity and functions of igg fc receptors in b lymphocytes .
labels: B-other_name I-other_name I-other_name O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-cell_type I-cell_type O