cell biology. For the article “Two tail-anchored protein variants, differing in transmembrane domain length and intracellular sorting, interact differently with lipids,” by Paolo Ceppi, Sara Colombo, Maura Francolini, Francesca Raimondo, Nica Borgese, and Massimo Masserini, which appeared in issue 45, November 8, 2005, of Proc Natl Acad Sci USA (102:16269–16274; first published October 28, 2005; 10.1073/pnas.0508157102), the authors note that Paolo Ceppi and Sara Colombo should be included among those credited with designing the research. The corrected author contributions footnote is shown below.
Author contributions: P.C., S.C., N.B., and M.M. designed research; P.C., S.C., M.F., and F.R. performed research; P.C., S.C., N.B., and M.M. analyzed data; and N.B. and M.M. wrote the paper.