Holmes, Kenneth C. Emeritus Group Biophysics, Max Planck Institute for Medical Research, Max Planck Society;
http://www.nature.com/nature/journal/v457/n7228/pdf/457389a.pdf (Any fulltext)
https://dx.doi.org/10.1038/457389a (Any fulltext)
Holmes, K. C. (2009). Structural biology: Actin in a twist. Nature, 457(7228), 389-390. doi:10.1038/457389a.