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pubmed:abstractText |
The RAD3 gene of Saccharomyces cerevisiae is required for excision of pyrimidine dimers and is essential for viability. We present the nucleotide sequence of the RAD3 protein coding region and its flanking regions, and the deduced primary structure of the RAD3 protein. In addition, we have mapped the 5' end of RAD3 mRNA. The predicted RAD3 protein contains 778 amino acids with a calculated molecular weight of 89,779. A segment of the RAD3 protein shares homology with several adenine nucleotide binding proteins, suggesting that RAD3 protein may react with ATP. The twenty carboxyl terminal amino acids of RAD3 protein are predominantly acidic; however, deletion of this acidic region has no obvious effect on viability or DNA repair.
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