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Chromogenic substrate for detection of a-galactosidase activity in yeast Saccharomyces cerevisiae. Used in yeast Two-Hybrid System to detect protein-protein interactions within random libraries. The enzyme a-galactosidase enabels yeast to use disaccharide melibose as a carbon source during growth or fermentation. Secretion of this enzyme in response to activation of the GAL4 gene hydrolizes X-a-GAL and causes yeast colonies to develop a blue color. This reporter system allows immediate visible resuLts on selection plates and eliminates necessity of a second screen filter life assay.
0 lbs
1.25 x 1.75 x 1.25
Research or further manufacturing use only, not for food or drug use.
