Volume 83A, Number 9, September 2013 Cover Image

On the cover: In this special focus issue Microscopy of Molecular Interactions, the cover captures the dynamic nature of the conformational transitions that Ziomkiewicz and colleagues describe in their article, related to the ectodomain I of the epidermal growth factor receptor in CHO cells (see the accompanying article on page 794 in this issue).

Cover design by Bärbel Beran [www.beran-design.de].