| Assay Method Information | |
| | In vitro Kinase Assay |
| Description: | Purified BMX was mixed with substrate (FAK or Bmxtides), kinase buffer (final 20 mM HEPES, pH 7.5, 10 mM MgCl2, 20 mM β-glycerophosphate, 1 mM dithiothreitol, 20 μM ATP, 5 mM Na3VO4) and 1 μCi of [γ-32P]ATP (omitted for cold in vitro kinase assays analyzed by mass spectroscopy) for 30 min at 30° C. Reactions were stopped with 10 mM EDTA and Laemmli sample buffer. Samples were resolved by 4-12% NuPAGE gel, and visualized by autoradiography. The positional scanning peptide library assay was performed according to published methods (Hutti et al., Nat. Methods 1, 27 (2004); Turk et al., Nat. Protoc. 1, 375 (2006)). Labelled peptide libraries were spotted onto avidin-coated filter sheets (SAM2 Biotin Capture Membrane, Promega, Madison, Wis.), which were washed, dried, and exposed to a phosphoimager screen. |
| Affinity data for this assay | |
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