The swi4+ gene of Schizosaccharomyces pombe encodes a homologue of mismatch repair enzymes.

@article{Fleck1992TheSG,
  title={The swi4+ gene of Schizosaccharomyces pombe encodes a homologue of mismatch repair enzymes.},
  author={Oliver Fleck and H Michael and Lutz Heim},
  journal={Nucleic acids research},
  year={1992},
  volume={20 9},
  pages={
          2271-8
        }
}
The swi4+ gene of Schizosaccharomyces pombe is involved in termination of copy-synthesis during mating-type switching. The gene was cloned by functional complementation of a swi4 mutant transformed with a genomic library. Determination of the nucleotide sequence revealed an open reading frame of 2979 nucleotides which is interrupted by a 68 bp long intron. The putative Swi4 protein shows homology to Duc-1 (human), Rep-3 (mouse), HexA (Streptococcus pneumoniae) and MutS (Salmonella typhimurium… 

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