Application Notes

Fast molecular interaction screening of epigenetic gene regulator G9a with fragments from a large chemical space

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APPLICATION NOTE 4 ©2019 NanoTemper Technologies, Inc. South San Francisco, CA, USA. All Rights Reserved. All replicates of the positive control SAM (yellow dots) show a significant signal amplitude and very little variability throughout the considerably large single-dose screen, spanning sixteen 384-microwell plates. Some data points were categorized as autofluorescence (purple dots) or aggregation (green dots), both categories part of the quality checks performed automatically by the so ware. Molecules interacting with the target were identified as hits (light blue dots). Figure 2 shows the summary of the results seen in the scatter plot. The majority of the fragments (77.1%) were automatically identified by the so ware as non-binders since their signals fell within the area of insignificant ΔFnorm, Control Hit Aggregation Auto-uorescence Non-binder Inconclusive Area of insignicant ∆Fnorm -100 -50 0 50 100 ∆Fnorm [‰] Index 5000 4000 3000 2000 1000 0 Figure 1: Scatter plot showing the ΔFnorm response of all tested fragments in duplicate. The points are colored corresponding to the category they were sorted into by the so ware algorithm.

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