Correction for Chen et al., Organization of the core structure of the postsynaptic density

NEUROSCIENCE. For the article “Organization of the core structure of the postsynaptic density,” by Xiaobing Chen, Christine Winters, Rita Azzam, Xiang Li, James A. Galbraith, Richard D. Leapman, and Thomas S. Reese, which appeared in issue 11, March 18, 2008, of Proc Natl Acad Sci USA (105:4453–4458; first published March 7, 2008; 10.1073/pnas.0800897105), the authors note that on page 4455, right column, in “AMPAR-Type Structures,” paragraph 2, line 10, the phrase “from replica labeling (20 ± 4 nm) (28)” should instead read: “from replica labeling (20 ± 4 nm) (48).” The authors also wish to add the following reference citation: