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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

Anne-Marie Pons,1 Nathalie Zorn,2 David Vignon,1 François Delalande,2 Alain Van Dorsselaer,2 and Gilles Cottenceau1*

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.

* Corresponding author. Mailing address: LGPC, Pôle Sciences, Université de La Rochelle, Avenue Michel Crépeau, 17042 La Rochelle, France. Phone: 33-546-458-228. Fax: 33-546-458-247. E-mail:gilles.cottenceau{at}univ-lr.fr.

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.



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