| Assay Method Information | |
| | Fluorescence polarisation (FP) assay |
| Description: | FP signals were measured with a PHERAstar microplate reader (BMG Labtech) using black, low-binding half-area 96 well plates (Corning). Each binding data point was carried out in duplicate or triplicate. Data were recorded in millipolarisation (mP) units and measured at an excitation wavelength of 485 nm and an emission wavelength of 520 nm. Tris(hydroxymethyl)aminomethane (Tris) assay buffer was used in all binding experiments and consisted of 10 mM Tris, 50 nM potassium chloride, and 3.5 mM 3-((3-cholamidopropyl)dimethylammonium)-1-propanesulfonate (Chaps) at pH 8.0. The recombinant inactive and active His-tag p38α MAPK used in the ligand binding assays were prepared as described by Bukhtiyarova et al. |
| Affinity data for this assay | |
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