tokens: Cyclin A expression is repressed in quiescent cells by E2F acting in conjunction with its pocket protein partners Rb , p107 , and p130 ; however , v-Jun overrides this control , causing phosphorylated Rb and proliferation specific E2F-p107 complexes to persist after mitogen withdrawal .
folded_tokens: cyclin a expression be repress in quiescent cell by e2f act in conjunction with its pocket protein partner rb , p107 , and p130 ; however , v-jun override this control , cause phosphorylate rb and proliferation specific e2f-p107 complex to persist after mitogen withdrawal .