Article
Identification of repair enzymes for 5-formyluracil in DNA. Nth, Nei, and MutM proteins of Escherichia coli.
The Journal of biological chemistry - 10 Nov 2000
Zhang Q M, Miyabe I, Matsumoto Y, Kino K, Sugiyama H, Yonei S
Abstract excerpt
5-Formyluracil (5-foU) is a potentially mutagenic lesion of thymine produced in DNA by ionizing radiation and various chemical oxidants. Although 5-foU has been reported to be removed from DNA by Escherichia coli AlkA protein in vitro, its repair mechanisms are not fully understood. In this study, we used the borohydride trapping assay to detect and characterize repair activities for 5-foU in E. coli extracts...
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