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Biochem Biophys Res Commun. 1991 Nov 27;181(1):430-6.

Cloning and sequencing of the gene encoding the large subunit of glutathione synthetase of Schizosaccharomyces pombe.

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Department of Genetics, Aichi Prefectural Colony, Japan.


The gene for the large subunit of glutathione synthetase (EC of Schizosaccharomyces pombe was cloned from a S. pombe genomic DNA library by complementation of cadmium hypersensitivity of a glutathione synthetase deficient mutant of S. pombe. A long open reading frame was found in the cloned DNA sequence. Amino acid sequence predicted from the long open reading frame coincided with amino acid sequences of peptides obtained by V8 protease digestion of the large subunit of the purified glutathione synthetase. The glutathione synthetase deficient mutant which harbored plasmids containing the glutathione synthetase large subunit gene exhibited glutathione synthetase activity higher than the activity in the wild type strain, though the plasmid did not contain the gene for the small subunit of the enzyme.

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