photoreactivating enzyme

'photoreactivating enzyme' can also refer to...


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An exonuclease catalyzing a photochemical reaction that removes UV-induced thymine dimers from DNA. This enzyme, called photolyase, is widely distributed in nature, from bacteria to marsupials, but is not found in placental mammals. Photolyase is very unusual in that it is the only enzyme (other than one involved in photosynthesis) that uses energy from light to drive its activities.

Subjects: Genetics and Genomics.

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