Files in this Data Supplement:

• Supplemental file 1 - Fig. S1 (Dominant negative HP1 mutant)
  Zipped TIF image, 54 KB.
• Supplemental file 2 - Fig. S2 (HP1βΔN blocks deposition of HP1 proteins in SAHF but has no effect on chromosome condensation or deposition of macroH2A1.2)
  Zipped TIF image, 63 KB.
• Supplemental file 3 - Legends for Fig. S1 and S2
  MS Word document, 25 KB.