Additional file 8: of Oligomeric interface modulation causes misregulation of purine 5´-nucleotidase in relapsed leukemia

Size exclusion chromatography of the C-terminally truncated cN-II proteins that were studied by X-ray crystallography. Each variant formed tetramers as reported for full-length proteins. The column was calibrated using a high molecular weight protein standard kit (Amersham Biosciences). (TIF 284 kb)