Files in this Data Supplement:

• Supplemental file 1 - Supplemental methods
  MS Word document, 63K.
• Supplemental file 2 - Fig. S1 (Amino acid sequence alignment of basic DNA binding regions of different bZIP factors), S2 (Impact of pX, Chm, HBO1, and MBF1 concentration on cJun-C/EBPƒÒ transcriptional activity), S3 (Transcriptional activity of different EB1 variants), S4 (Effect of HBO1 cellular concentration on transcriptional responses), S5 (Reverse experiment of Fig. 6B), and S6 (Impact of Chm concentration on DJun transcriptional activity)
  Zipped PowerPoint document, 164K.