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. 1984 Jan 15;172(2):223-7.
doi: 10.1016/s0022-2836(84)80040-6.

Escherichia coli DNA photolyase is a flavoprotein

A Sancar, G B Sancar

Escherichia coli DNA photolyase is a flavoprotein

A Sancar et al. J Mol Biol. .

Abstract

Escherichia coli DNA photolyase (photoreactivating enzyme) was purified to homogeneity from a strain that greatly overproduces the protein. The purified enzyme has absorption peaks at 280 and 380 nm, a fluorescence emission peak at 480 nm and, upon denaturation, releases a chromophore that has the spectroscopic properties of flavin adenine dinucleotide (FAD), indicating that FAD is an intrinsic chromophore of the enzyme.

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