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. 1988 Nov;170(11):5368–5370. doi: 10.1128/jb.170.11.5368-5370.1988

Synthesis and overproduction of the 5A protein of insertion sequence IS5.

J M Chernak 1, E J Schlaffer 1, H O Smith 1
PMCID: PMC211615  PMID: 2846516

Abstract

We have demonstrated both the synthesis and overproduction of the 5A protein encoded by the longest open reading frame of the bacterial insertion sequence IS5. Expression was obtained in vitro and in Escherichia coli maxicells from plasmids containing IS5 in either orientation, as well as in vitro from a restriction fragment containing exclusively IS5 DNA. When IS5 was cloned in the appropriate orientation downstream of a strong tac promoter, production of the 5A protein was increased to 10 to 20% of the total protein synthesized in vitro.

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Selected References

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