| Assay Method Information | |
| | Surface Plasmon Resonance Assay |
| Description: | The surface plasmon resonance (SPR) experiments were conducted on a Biacore3000 (GE Healthcare). His-tagged VHL protein was immobilized on a carboxymethylated dextran surface with nitriloacetic acid (NTA), taking advantage of NTA/Ni2+ chelation. The prepared surface was allowed to equilibrate over three hours in running buffer (Ambion 1×PBS buffer @ pH 7/4, 0.005% Tween, 2% DMSO).All compounds were prepared in 100% DMSO stock plates with a top concentration of 5 mM in a 3× serial dilution. Compounds were transferred from the stock plate to the assay plate and diluted into running buffer containing no DMSO. All compounds were run as a six-concentration series with a final assay top concentration of 100 uM. Data analysis was performed in Scrubber 2 (BioLogic software, Campbell, Australia). Blanks were subtracted and data was corrected for DMSO using a standard DMSO curve. All reported KD values represent an average of at least N=2 and were obtained by fitting to a minimum of five concentrations using a 1:1 fitting algorithm. |
| Affinity data for this assay | |
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