A QUANTIZYME® Assay System Complete assay system designed to examine the specificity of inhibitors against a panel of ten matrix metalloproteinase enzymes. The assays are performed in a convenient 96-well microplate format using a chromogenic substrate1,2 detected at 412 nm. Included are active MMP enzymes, assay buffer, a prototypic control inhibitor (NNGH3), and a detailed instruction booklet.