tokens: Growth arrest occurred at G1 and G2 stages of the cell cycle , indicating that functional EBNA2 is required at different restriction points of the cell cycle .
folded_tokens: growth arrest occurred at g1 and g2 stages of the cell cycle , indicating that functional ebna2 is required at different restriction points of the cell cycle .
labels: O O O O O O O O O O B-other_name I-other_name O O O O B-protein_molecule O O O O O O O O B-other_name I-other_name O