BACKGROUND OF THE INVENTION
Chemotherapeutic nucleosides that function as inhibitors of polymerases must be phosphorylated intracellularly by endogenous nucleoside kinases to their respective mono-, di- and tri-phosphate derivatives. Unfortunately, biological targets, such as the herpes-virus or
BACKGROUND OF THE INVENTION
1. Technical Field of the Invention
This invention is directed to an extract of a plant and use thereof, particularly to an isolated protein from a traditional Chinese herbal medicine (TCM), Yuzhu, Polygonatum odoratum (Liliaceae) and use thereof.
2. Description of the