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Comparative Study
. 1989 Oct;171(10):5339-46.
doi: 10.1128/jb.171.10.5339-5346.1989.

Cloning and nucleotide sequence of DNA mismatch repair gene PMS1 from Saccharomyces cerevisiae: homology of PMS1 to procaryotic MutL and HexB

W Kramer  1 , B Kramer, M S Williamson, S Fogel
Affiliations
Comparative Study

Cloning and nucleotide sequence of DNA mismatch repair gene PMS1 from Saccharomyces cerevisiae: homology of PMS1 to procaryotic MutL and HexB

W Kramer et al. J Bacteriol. 1989 Oct.

Abstract

The PMS1 gene from Saccharomyces cerevisiae, implicated in DNA mismatch repair in yeast cells (M. S. Williamson, J. C. Game, and S. Fogel, Genetics 110:609-646, 1985), was cloned, and the nucleotide sequence was determined. The nucleotide sequence showed a 2,712-base-pair open reading frame; the predicted molecular mass of the deduced protein is 103 kilodaltons. Deletion mutants of the open reading frame were constructed and genetically characterized. The deduced amino acid sequence of the PMS1 gene exhibited homology to those of the mutL gene from Salmonella typhimurium and the hexB gene from Streptococcus pneumoniae, genes required for DNA mismatch repair in these organisms. The homology suggests an evolutionary relationship of DNA mismatch repair in procaryotes and eucaryotes.

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