Digoxigenin

Digoxigenin is a steroid molecule derived from the plant Digitalis purpurea, also known as the purple foxglove. It is commonly used in molecular biology as a marker for detecting and localizing nucleic acids and proteins in cells and tissues. Digoxigenin is often conjugated to antibodies or nucleic acid probes, allowing for specific and sensitive detection methods such as immunohistochemistry and in situ hybridization. Its high affinity for anti-digoxigenin antibodies makes it a versatile tool for a wide range of research applications.

Digoxigenin (DIG) is a steroid found exclusively in the flowers and leaves of the plants Digitalis purpurea, Digitalis orientalis and Digitalis lanata (foxgloves), where it is attached to sugars, to form the glycosides.