tokens: We now find that mutating two tyrosines to an isoleucine at the carboxyl end of the cytoplasmic tail cripples the ability of EBV to cause lymphoblastoid cell outgrowth , thereby marking a second transformation effector site , TES2 .
folded_tokens: we now find that mutating two tyrosines to an isoleucine at the carboxyl end of the cytoplasmic tail cripples the ability of ebv to cause lymphoblastoid cell outgrowth , thereby marking a second transformation effector site , tes2 .
labels: O O O O O O B-amino_acid_monomer O O B-amino_acid_monomer O O B-protein_domain_or_region I-protein_domain_or_region O O B-protein_domain_or_region I-protein_domain_or_region O O O O B-virus O O B-other_name I-other_name I-other_name O O O O O B-protein_domain_or_region I-protein_domain_or_region I-protein_domain_or_region O B-protein_domain_or_region O