Mitosis factors

By Levi Clancy for Student Reader on

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E2FE2F is a transcription factor that by itself activates transcription.
RbRb binds to E2F and represses its activation function. Rb is deactivated upon phosphorylation by mid G1 cyclin-CDKs (and, eventually, late G1 cyclin-CDKs).
CohesinCohesin is a heterotrimeric complex of Smc1, Smc3 and Kleisin (Scc1). Smc1 and Smc3 form a circle that is clasped together by Kleisin. This ring fits over the chromatin near the centromere, remaining snugly over the sister chromatids after DNA replication.
cohesin during g0, g1 and g2 with respect to the chromosome and sister chromatids