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Assay Method Information |
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| | In Vitro Assay |
| Description: | MMP2: Protocol 1: The basis for the assay is the cleavage of the substrate 520 MMP fret substrate XV (Anaspec, Catalog #: AS-60582-01) by human MMP2 (R&D SYSTEMS INC. Systems Inc., Cat #902-MP).For the dose response (10 point), 4 μL of a dilution series of compound (2 mM highest concentration, 1/5 dilution in DMSO further diluted 1 in 10 in water, corresponding to a final highest concentration of 20 μM), is transferred to 384 well Fluotrac 200 plate (Greiner, cat #781076) and incubated at room temperature for 30 min with a 26 μL buffer solution (50 mM Tris pH 7.5, 10 mM, CaCl2, 150 mM NaCl, 0.05% Brij35) containing preactivated MMP2 (0.0125 ng/μL) (it will be appreciated by the skilled person that the potency read out is independent of the enzyme concentration). Human MMP2 is preactivated by incubated the enzyme in the same buffer complemented with 1 mM freshly prepared p-Aminophenylmercuric acetate (AMPA) for 1 hour at 37° C.The reaction is initiated by adding to the assay plate 520 MMP fret substrate XV (10 μL, 4 μM, Anaspec) in the same buffer.Finally, the fluorescence is read on the Envision (Perkin Elmer) after an incubation of 30 min at room temperature (Excitation 485 nm, Emission 530). |
| Affinity data for this assay | |
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