Files in this Data Supplement:

• Supplemental file 1 - Fig. S1 (Amino acid sequence alignment of MLE, DDX9, and RHA proteins)
  Zipped EPS file, 426 KB.
• Supplemental file 2 - Fig. S2 (Plasmid system used to assay for the function of the mutant MLE-expressing transgenes in stably transformed S2 cells)
  Zipped TIF image, 130 KB.
• Supplemental file 3 - Fig. S3 (Primers to obtain Flag-tagged recombinant MLE expression vectors or to knock down endogenous MLE)
  Zipped EPS file, 270 KB.
• Supplemental file 4 - Fig. S4 (Primers used for quantitative RT-PCR for endogenous roX1, roX2, and yin transcripts)
  Zipped TIF image, 96 KB.
• Supplemental file 5 - Legends to Fig. S1 to S4
  MS Word document, 25 KB.