Assay Method Information

Assay Name:  SHP2 Allosteric Inhibition Assay
Description:  The inhibition of SHP2 by compounds of the present disclosure (concentrations varying from 0.00005-10 μM) was monitored using an assay in which 0.2 nM of SHP2 was incubated with 0.5 μM of Activating Peptide 1 (sequence: H2N-LN(pY)IDLDLV(dPEG8)LST(pY)ASINFQK-amide) or Activating Peptide 2 (sequence: H2N-LN(pY)AQLWHA(dPEG8)LTI(pY)ATIRRF-amide). After 30-60-minutes incubation at 25° C., the surrogate substrate DiFMUP (Invitrogen, Cat #D6567) was added to the reaction and activity was determined by a kinetic read using a microplate reader (Envision, Perkin-Elmer or Spectramax M5, Molecular Devices). The excitation and emission wavelengths were 340 nm and 450 nm, respectively. Initial rates were determined from a linear fit of the data, and the inhibitor dose response curves were analyzed using normalized IC50 regression curve fitting with control based normalization.
Affinity data for this assay
 

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