| Solution Information | help | |
| Enzyme: | Beta-lactamase | |
| inhibitor: | BDBM52044 | |
| substrate: | n/a | |
| Solution Type: | Aqueous | |
| pH at Preparation: | n/a | |
| Temp. Prep.: | n/a | |
| Comments: | Assay Overview: The purpose of this assay is to determine dose response curves for compounds identified as active in a set of previous experiments entitled, "Primary biochemical high throughput screening assay to identify inhibitors of VIM-2 metallo-beta-lactamase," (PubChem AID 1527), and inactive in a set of experiments entitled, "Epi-absorbance primary biochemical high throughput screening assay to identify inhibitors of IMP-1 metallo-beta-lactamase," (PubChem AID 1556). This biochemical epi-absorbance-format assay employs the cephalosporin nitrocefin as the VIM-2 substrate, and takes advantage of the fluorescent properties of white microtiter plates (13). Nitrocefin is a yellow chromogenic substrate (Imax = 395 nm) that is hydrolyzed by beta-lactamases to yield a red product with increased absorbance properties (Imax = 495 nm) that quenches plate fluorescence by absorbing the plate's emission light (13). In this assay, test compounds are incubated with purified VIM-2 enzyme a | |
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