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Antimicrobial Agents and Chemotherapy, January 2002, p. 229-230, Vol. 46, No. 1
0066-4804/01/$04.00+0     DOI: 10.1128/AAC.46.1.229-230.2002
Copyright © 2002, American Society for Microbiology. All Rights Reserved.

Microcin E492 Is an Unmodified Peptide Related in Structure to Colicin V

Laboratoire de Génie Protéique et Cellulaire, Université de La Rochelle, 17042 La Rochelle Cedex 01, France,¹ Laboratoire de Spectrométrie de Masse Bioorganique, Université Louis Pasteur, 67000 Strasbourg Cedex²

Received 13 June 2001/ Returned for modification 3 August 2001/ Accepted 3 October 2001

The pore-forming microcin E492 was purified by solid-phase extraction and reversed-phase high-pressure liquid chromatography. Its molecular mass was 7,886 Da. The entire 84-amino-acid sequence was determined. There is no postranslational modification in the secreted microcin, and the sequence has homologies with the sequence of the microcin colicin V.

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