targets, factors CycD, CycD Rb, (! CycA & ! CycB & ! CycD & ! CycE) | (p27 & ! CycB & ! CycD) E2F, (! Rb & ! CycA & ! CycB) | (p27 & ! Rb & ! CycB) CycE, (E2F & ! Rb) CycA, (E2F & ! Rb & ! Cdc20 & ! (Cdh1 & UbcH10)) | (CycA & ! Rb & ! Cdc20 & ! (Cdh1 & UbcH10)) p27, (! CycD & ! CycE & ! CycA & ! CycB) | (p27 & ! (CycE & CycA) & ! CycB &! CycD) Cdc20, CycB Cdh1,(! CycA & ! CycB) | (Cdc20) | (p27 & ! CycB) UbcH10, ! Cdh1 | (Cdh1 & UbcH10 & (Cdc20 | CycA | CycB)) CycB, ! Cdc20 & ! Cdh1