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Nucleotide sequence of the ethidium efflux gene from Escherichia coli

A.S. Purewal
DOI: http://dx.doi.org/10.1111/j.1574-6968.1991.tb04870.x 229-231 First published online: 1 August 1991


The nucleotide sequence of the gene specifying the ethidium efflux system of Escherichia coli has been determined. The translated open reading frame has identified a membrane-bound polypeptide of 110 amino acids (11 960 Da) which shares 42% identity with a staphylococcal protein specifying resistance to ethidium.

Key words
  • DNA sequence
  • Escherichia coli
  • Ethidium flux
  • Staphylococcus aureus
  • Polypeptide identity

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