| Assay Method Information | |
| | ELISA Assay |
| Description: | Streptavidin-coated 96-well plates are used to immobilise a biotin-tagged IP3 p53-derived peptide (MPRFMDYWEGLN). This is a peptide analogue derived from the p53 binding site for MDM2 (QETFSDLWKLLP). IP3 has a higher affinity for MDM2 than the native peptide and has been used elsewhere to identify antagonists of the binding between MDM2 and p53 (Stoll et al 2001). Aliquots of MDM2 generated by in vitro translation are pre-incubated for 20 minutes at room temperature (i.e. 20-25C.) with test compounds and controls, before transfer into the IP3-coated 96-well plates. Following a further incubation period of 90 minutes at 4C., the plates are washed to remove unbound MDM2 and the residual bound MDM2 is detected using a primary monoclonal antibody (MDM2 Ab-1, clone IF2, Oncogene Research Products) and HRP-conjugated secondary antibody (Goat anti-mouse, Dako PO447). |
| Affinity data for this assay | |
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