tokens: Reconstitution of T cell antigen receptor-induced Erk2 kinase activation in Lck-negative JCaM1 cells by Syk .
folded_tokens: reconstitution of t cell antigen receptor-induced erk2 kinase activation in lck-negative jcam1 cells by syk .
labels: B-other_name O B-other_name I-other_name I-other_name I-other_name B-protein_molecule I-protein_molecule O O B-cell_line I-cell_line I-cell_line O B-protein_molecule O