Comparison of TFA profiles of 11 major yeast cell cycle related transcription factors between wild type and fkh1 fkh2 mutant. The first 3 columns corresponds to data deduced from yeast cultures synchronized by elutriation, α-factor arrest, and arrest of a cdc15 temperature-sensitive mutant which can give one cell cycle, two cell cycles, and three cell cycles for given experimental measurements, respectively. The last column corresponds to fkh1 fkh2 double knock-out mutant synchronized with α-factor arrest. Different stages in the cell cycle are indicated by the color code. Different colors in TFA profiles for each transcription factor represent TFAs from different sub-networks. S1, S2, S3 and S4 represent sub-networks 1, 2, 3, and 4, respectively.