Title

Norleucine, a natural occurrence in a novel ergot alkaloid γ-ergokryptinine

Document Type

Article

Publication Date

1-1-2005

Abstract

A novel natural peptide ergot alkaloid γ-ergokryptinine containing norleucine has been isolated from ergot sclerotia of the field-growing parasitic fungus Claviceps purpurea CCM 8059. Its structure was deduced from the NMR and mass spectral data. The final structural proof was provided by the crystal structure determination, which is the first X-ray structure of a natural Nle-containing secondary metabolite. The conformations of three ergopeptinines: γ-ergokryptinine, ergoladinine, and α-ergokryptinine were compared. © Springer-Verlag 2005.

Publication Source (Journal or Book title)

Amino Acids

First Page

145

Last Page

150

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