New York University

The Rockefeller University

Other

Guangyong Ji

Ronald Beavis

Richard P Novick

Tom W Muir

Patricia Mayville

The present invention provides a cyclic peptide comprising the structure: wherein X is selected from the group consisting of an amino acid, an amino acid analog, a peptidomimetic and a non-amide isostere, Z is selected from the group consisting of a synthetic amino acid and a biosynthetic amino acid, R is selected from the group consisting of oxygen, nitrogen, sulfur and carbon, n is 0 to 10 and y is 1 to 10. The present invention also provides a cyclic peptide comprising the amino acid sequence of NH&#x2014;X-Z-X&#x2014;COOH and a cyclic bond between the Z residue and COOH other than a thioester bond, wherein X is selected from the group consisting of to an amino acid, an amino acid analog, a peptidomimetic and a non-amide isostere, Z is selected from the group consisting of a synthetic amino acid and a biosynthetic amino acid, n is 0 to 10 and y is 1 to 10. Methods of preparation including a cyclization protocol, and methods of use of the cyclic peptides of the invention are also disclosed.

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The present invention provides a cyclic peptide comprising the structure:wherein X is selected from the group consisting of an amino acid, an amino acid analog, a peptidomimetic and a non-amide isostere, Z is selected from the group consisting of a synthetic amino acid and a biosynthetic amino acid, R is selected from the group consisting of oxygen, nitrogen, sulfur and carbon, n is 0 to 10 and y is 1 to 10. The present invention also provides a cyclic peptide comprising the amino acid sequence of NH&#x2014;X-Z-X&#x2014;COOH and a cyclic bond between the Z residue and COOH other than a thioester bond, wherein X is selected from the group consisting of an amino acid, an amino acid analog, a peptidomimetic and a non-amide isostere, Z is selected from the group consisting of a synthetic amino acid and a biosynthetic amino acid, n is 0 to 10 and y is 1 to 10. Methods of preparation including a cyclization protocol, and methods of use of the cyclic peptides of the invention are also disclosed.

Staphylococcus peptides for bacterial interference

This invention provides peptides which inhibit agr transcription in and thereby block the expression of virulence factors in , pharmaceutical compositions comprising these peptides, as well as methods for treating or preventing an infection or disease caused by using the peptides of the present invention.

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Rockville, MD, United States of America

Guangyong Ji