Files in this Data Supplement:

• Supplemental file 1 - Supplemental text and figure legends and Table S1 (Potential candidate partners of SCL)
  PDF document, 118K.
• Supplemental file 2 - Fig. S1 (Biotinylated SCL rescues hematopoiesis from SCL^-/- ES cells), S2 (Biotinylated SCL does not promote spontaneous differentiation of MEL cells), S3 (SSDP2 binds the SCL core complex), and S4 (Mapping of the SCL domain required for interaction with ETO-2)
  PDF document, 1.1MB.
• Supplemental file 3 - Fig. S5 (Histological staining and cell surface marker analysis of day 12.5 fetal liver cells) and S6 (Expression of E2A and ETO-2 and percentage of GFP⁺ cells in unsorted MEL infected populations)
  PDF document, 321K.