| Assay Method Information | |
| | Assay Targeting LC3B |
| Description: | By constructing a prokaryotic expression system, the LC3B protein was successfully expressed and purified, and a preliminary screening and verification platform was established using fluorescence polarization experiments to determine the activity of purchased and synthesized small compound libraries. The recombinant protein GST-LC3B (final concentration 180 nM) (SEQ ID NO: 1) and N-terminal FITC-labeled peptide (SEQ ID NO: 2, final concentration 18 nM) were placed in the FP buffer (50 mM HEPES pH 7.5, 0.1 mg/ml BSA and 1 mM DTT), to which a compound serially diluted with the FP buffer was added. Then the mixture was incubated at 25° C. in the dark. The fluorescence polarization value (PerkinElmer Envision, emission wavelength 480 nm; absorption wavelength 535 nm) was monitored, and the IC50 value was calculated using the GraphPad Prism 6.0 program. |
| Affinity data for this assay | |
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