Researchers discover how key enzyme repairs sun-damaged DNA

Researchers have long known that humans lack a key enzyme — one possessed by most of the animal kingdom and even plants — that reverses severe sun damage. For the first time, researchers have witnessed how this enzyme works at the atomic level to repair sun-damaged DNA. The discovery holds promise for future sunburn remedies and skin cancer prevention.

http://www.medicaldaily.com/news/20100725/550/researchers-discover-how-key-enzyme-repairs-sun-damaged-dna.htm

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