1H and 13C assignments of cyclo[N‐(Lys‐Phe)‐Orn‐Val], a semicyclic imide tetrapeptide from Burkholderia cepacia

Magnetic Resonance in Chemistry
2006.0

Abstract

<jats:title>Abstract</jats:title><jats:p>The rhizobacteria <jats:italic>Burkholderia cepacia</jats:italic> biosynthesized the new tetrapeptide Cyclo[<jats:italic>N</jats:italic>‐(Lys‐Phe)‐Orn‐Val] (1), a 2,5‐diketopiperazine, and the known siderophore azurechelin (salicylic acid). The structure of 1 was established by means of IR, UV, <jats:sup>1</jats:sup>H and <jats:sup>13</jats:sup>C NMR, double dimension experiments and MS. Copyright © 2006 John Wiley &amp; Sons, Ltd.

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