tokens: IL-2 binding analysis demonstrated that IL-2 markedly increased the number of low affinity IL-2Rs on the leukemia cells , without an effect on the number of high-affinity IL-2Rs .
folded_tokens: il-2 binding analysis demonstrated that il-2 markedly increased the number of low affinity il-2rs on the leukemia cells , without an effect on the number of high-affinity il-2rs .
labels: B-protein_molecule O O O O B-protein_molecule O O O O O O O B-protein_family_or_group O O B-cell_type I-cell_type O O O O O O O O B-protein_family_or_group I-protein_family_or_group O