| Assay Method Information | |
| | ALPK1 in vitro Kinase Assay |
| Description: | In brief, dose-response studies were performed with HEK293 cells cultured in Dulbecco's Modified Eagle Medium (DMEM) supplemented 10% fetal bovine serum (FBS, Hyclone ) containing antibiotics (pen/strep, G418) in 384-well assay plates. Each well contained 0.1 mg TIFA, ALPK1 (2 nM final concentration in reaction mixture) and kinase buffer (100 mM of HEPES pH 7.4, 4 mM DTT, 40 mM MgCl2, 20 mM of beta-Glycerol phosphate disodium salt, 0.4 mM of Na3VO4, 0.16 mg/mL). Titrations of the test compounds were prepared in dimethylsulphoxide (DMSO). The reaction was initiated by addition of ATP and ADP-Heptose.For HTRF, samples were incubated with a Tb cryptate-labeled anti-HA antibody for capturing HA-tagged proteins according to the manufacturer's instructions (PerkinElmer , CisBio ) and the fluorescence signal was quantified (Tecan Infinite F NANO+). HTRF signals were calculated as the HTRF ratio (ratio of fluorescence measured at 665 nm and 620 nm)x104 (thereby using the signal at 620 nm as an internal standard). |
| Affinity data for this assay | |
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