tokens: A function for protein kinase C -zeta ( PKC -zeta ) , a member of the phorbol ester nonresponsive atypical protein kinase C subfamily , in modulating differentiation was examined in the leukemic U937 cell .
folded_tokens: a function for protein kinase c -zeta ( pkc -zeta ) , a member of the phorbol ester nonresponsive atypical protein kinase c subfamily , in modulating differentiation was examined in the leukemic u937 cell .
labels: O O O B-protein_molecule I-protein_molecule I-protein_molecule O O B-protein_molecule O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O B-cell_line I-cell_line I-cell_line O