Chromogenic substrate for β-glucuronidase (GUS) gene detection.
5-Bromo-4-chloro-3-indolyl ?-D-glucuronide cyclohexylammonium salt has been used as a histochemical reagent in X-GLUC staining.
Biochem/physiol Actions
5-bromo-4-chloro-3-indolyl-?-D-glucuronide sodium salt (X-GlcA) is a colorless substrate. The pre-immobilized X-GlcA can be converted by ?-glucuronidase enzyme, synthesised byEscherichia coli.