| Assay Method Information | |
| | Protein-Protein Interaction Assay: MCL-1/Noxa BH3 Peptide (MCL-1 Assay) |
| Description: | The dose-dependent inhibition by the compounds described in this invention of the interaction between MCL-1 and the BH3 domain of Noxa (both human) was determined using a steady state binding competition assay with time-resolved fluorescence energy transfer (TR-FRET) readout. For that purpose MCL-1 (amino acids 173-321, N-terminal fused to Maltose Binding Protein (MBP) SEQ ID 1)) and a synthetic Noxa BH3-derived peptide of sequence Biotin-PEG2-PEG2-PAELEVE-Nva-ATQLRRFGDKLNFRQKLL-amide (SEQ ID 2) served as protein receptor and tracer ligand respectively. The MBP-MCL-1 was purchased from Beryllium (Bedford, Mass., USA). The expression and purification of this protein construct has been described elsewhere (DOI:10.1371/journal.pone.0125010). The Noxa BH3-derived peptide can be obtained from e.g. Biosyntan (Berlin, Germany). |
| Affinity data for this assay | |
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