Molecular cloning and characterization of the yeast RAD10 gene and expression of RAD10 protein in E. coli.

AUTOR(ES)

Weiss, W A

RESUMO

A plasmid designated pNF101 was isolated by transforming rad10 mutants with a yeast genomic library and screening transformed cells for enhanced resistance to killing by u.v. radiation. Plasmid pNF101 fully complements the u.v. sensitivity of rad10 mutant strains and was shown to contain the RAD10 gene by genetic analysis of integrant strains. The nucleotide sequence of the RAD10 gene was determined. The coding region consists of 195 codons and could encode a polypeptide of calculated mol. wt. 22 616 daltons. RAD10 protein expressed in Escherichia coli maxicells has a mol. wt of approximately 30 kd measured by gel electrophoresis. The RAD10 gene was localized to chromosome XIII of Saccharomyces cerevisiae by hybridization of the cloned gene to yeast chromosomes resolved by electrophoresis, and by genetic analysis.

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