tokens: CD80 and CD86 are not equivalent in their ability to induce the tyrosine phosphorylation of CD28 .
folded_tokens: cd80 and cd86 are not equivalent in their ability to induce the tyrosine phosphorylation of cd28 .
labels: B-protein_molecule O B-protein_molecule O O O O O O O O O B-amino_acid_monomer O O B-protein_molecule O