tokens: In contrast to full-length E2F-3 , which is expressed only at the G1 / S boundary , E2F-3B is detected throughout the cell cycle with peak levels in GO where it is associated with Rb .
folded_tokens: in contrast to full-length e2f-3 , which be express only at the g1 / s boundary , e2f-3b be detect throughout the cell cycle with peak level in go where it be associate with rb .