| Assay Method Information | |
| | Inhibition Assay |
| Description: | MMP-3: 90 μL (1.5 ng) of human MMP-3 (Calbiochem #444217) prepared with an assay buffer A was added to 90 μL of a 20 μM fluorescent substrate NFF-3 (MOCAc((7-methoxycoumarin-4-yl)acetyl)-Arg-Pro-Lys-Pro-Val-Glu-Nva-Trp-Arg-Lys(Dnp)-NH2, Peptide Institute Inc., #3168-v) (SEQ ID NO: 4) prepared with an assay buffer B, and reacted at 37° C. for 4 hours. Enzyme activity was then determined by measuring with a fluorescence intensity meter (Labsystems, Fluoroskan Ascent) at an excitation wavelength of 320 nm and a measurement wavelength of 405 nm.From the enzyme activity in the presence or the absence of the test substance, the inhibition rate was determined, and the 50% inhibitiory concentration (IC50) of the test substance was calculated. |
| Affinity data for this assay | |
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