Assay Method Information

Assay Name:  Time Resolved-Fluorescence Resonance Energy Transfer (TR-FRET) Assay
Description:  The samples were then mixed on a shaker for 1 minute and equilibrated for an additional 3 hours at room temperature. For each assay plate, a probe/antibody and protein/antibody/probe mixture were included as a negative and a positive control, respectively. Fluorescence was measured on the Envision (Perkin Elmer) using a 340/35 nm excitation filter and 520/525 (F-Bak) and 495/510 nm (Tb-labeled anti-GST antibody) emission filters. Inhibition constants (Ki) were determined using Wang's equation. The TR-FRET assay can be performed in the presence of varying concentrations of human serum (HS) to determine apparent half maximal inhibitory concentration (IC50) after HS protein binding.
Affinity data for this assay
 

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