tokens: The shift in pRB molecular weight was reproduced by adding exogenous purified tTG to extracts obtained from viable U937 cells and was prevented by dansylcadaverine , a potent enzyme inhibitor .
folded_tokens: the shift in prb molecular weight was reproduced by adding exogenous purified ttg to extracts obtained from viable u937 cells and was prevented by dansylcadaverine , a potent enzyme inhibitor .
labels: O O O B-protein_molecule O O O O O O B-other_organic_compound I-other_organic_compound I-other_organic_compound O O O O O B-cell_line I-cell_line O O O O B-other_organic_compound O O B-other_organic_compound I-other_organic_compound I-other_organic_compound O