Files in this Data Supplement:

• Supplemental file 1 - Fig. S1 (Cell surface markers in BCR-ABL-transformed cell lines), S2 (hCD81 introduction into Cd81^-/- early B-cell line restores CD19 expression), S3 (Transduced molecule expression in cells infected by retroviruses encoding recombinant tetraspanins), S4 (High-molecular-weight CD19 glycoform expression), and S5 (Expression of transduced tetraspanin molecules)
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