BIOCHEMISTRY Correction for “Molecular architecture of the Spire–actin nucleus and its implication for actin filament assembly,” by Tomasz Sitar, Julia Gallinger, Anna M. Ducka, Teemu P. Ikonen, Michael Wohlhoefler, Kurt M. Schmoller, Andreas R. Bausch, Peteranne Joel, Kathleen M. Trybus, Angelika A. Noegel, Michael Schleicher, Robert Huber, and Tad A. Holak, which appeared in issue 49, December 6, 2011, of Proc Natl Acad Sci USA (108:19575–19580; first published November 21, 2011; 10.1073/pnas.1115465108).
The authors note that the following statement should be added to the Acknowledgments: “This research has been supported by Grant 2011/01/B/NZ1/00031 from the National Science Centre, Poland (to T.A.H.).”