X-Gal (5-Bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) produces a dimethylformamide (DMF)-soluble, stable blue precipitate at the reaction site. X-Gal is the classical substrate used with ß-galactosidase in current methods of molecular biology, microbi
X-Gal (Beta-Galactosidase Substrate)
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