| Assay Method Information | |
| | Biochemical Kinase Assay |
| Description: | ABL1 WT protein (64-515aa) containing an N-terminal His tag was produced by co-expression with YopH in Sf9 insect cells. Cells were harvested by centrifugation and resuspended in 50 mM Tris, 500 mM NaCl, 5 mM β-ME, pH 8.2. Cells were lysed by sonication and clarified by centrifugation. ABL1 was purified by affinity chromatography using a HisTrap column with a wash step in 4% wash buffer (50 mM Tris, 500 mM NaCl, 500 mM imidazole, 5 mM β-ME, pH 8.2) and eluted in a linear gradient of the same buffer. Fractions containing ABL1 were pooled, concentrated and further purified using an ion exchange column washed with 50 mM Tris, pH 8.3 and eluted with a linear gradient of elution buffer (50 mM Tris, 1M NaCl, pH 8.3). Purified protein was stored at -80° C. in 50 mM Tris (pH 8.2), 300 mM NaCl, 1 mM DTT and 20% glycerol. |
| Affinity data for this assay | |
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