BIOPHYSICS AND COMPUTATIONAL BIOLOGY Correction for “Site-directed spin labeling of a genetically encoded unnatural amino acid,” by Mark R. Fleissner, Eric M. Brustad, Tamás Kálai, Christian Altenbach, Duilio Cascio, Francis B. Peters, Kálmán Hideg, Peter G. Schultz, and Wayne L. Hubbell, which appeared in issue 51, December 22, 2009, of Proc Natl Acad Sci USA (106:21637–21642; first published December 7, 2009; 10.1073/pnas.0912009106).
The authors request that Sebastian Peuker be added to the author list between Kálmán Hideg and Peter G. Schultz and be credited with designing research and performing research. The online version has been corrected. The corrected author and affiliation lines, author contributions, and related footnotes appear below.
Mark R. Fleissnera,1, Eric M. Brustadb,1,2, Tamás Kálaic, Christian Altenbacha, Duilio Casciod, Francis B. Petersb, Kálmán Hidegc, Sebastian Peukere, Peter G. Schultzb,3, and Wayne L. Hubbella,3
aJules Stein Eye Institute and Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095; bDepartment of Chemistry and the Skaggs Institute for Chemical Biology, The Scripps Research Institute, La Jolla, CA 92037; cInstitute of Organic and Medicinal Chemistry, University of Pécs, H-7624 Pécs, Hungary; dUCLA–DOE Institute for Genomics and Proteomics, University of California, Los Angeles, CA 90095-1570; and eCAESAR Research Center, Ludwig-Erhard-Allee 2, 53175 Bonn, Germany