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  • Title: The isolation, characterization and nucleotide sequence of the phosphoglucoisomerase gene of Saccharomyces cerevisiae.
    Author: Tekamp-Olson P, Najarian R, Burke RL.
    Journal: Gene; 1988 Dec 15; 73(1):153-61. PubMed ID: 3072254.
    Abstract:
    We have isolated the gene which encodes the glycolytic enzyme phosphoglucoisomerase (PGI) from the yeast Saccharomyces cerevisiae by functional complementation of a yeast mutant deficient in PGI activity with DNA from a wild-type yeast genomic library. The cloned gene has been localized by hybridization of specific DNA fragments to total yeast poly(A)+ RNA and by complementation of the mutant phenotype with subclones. The gene is expressed as an abundant mRNA of 1.9-kb and encodes a protein of 554 amino acids with an Mr of 61310. The nucleotide sequence of the gene as well as the 5' and 3' flanking regions are presented. The predicted PGI amino acid sequence shows a high degree of homology with the sequence predicted for human and mouse neuroleukin, a putative neurotropic factor. The codon usage within the coding region is very restricted, characteristic of a highly expressed yeast gene.
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