Plant Polypeptide Hormone Systemin Prefers Polyproline II Conformation in Solution

• Published in: ACS omega Vol. 2; no. 10; pp. 6831 - 6843
• Main Authors: Dutta Chowdhury, Saikat, Lahiri, Ansuman
• Format: Journal Article
• Language: English
• Published: United States American Chemical Society 31.10.2017

Systemin, an 18 amino-acid-signaling peptide, was the first plant polypeptide hormone to be discovered. Earlier structural studies involving NMR spectroscopy indicated a lack of definite structure in solution while circular dichroism spectroscopy suggested the presence of left-handed polyproline II...