BIOPHYSICS. For the article “Picosecond conformational transition and equilibration of a cyclic peptide,” by Jens Bredenbeck, Jan Helbing, Arne Sieg, Tobias Schrader, Wolfgang Zinth, Christian Renner, Raymond Behrendt, Luis Moroder, Josef Wachtveitl, and Peter Hamm, which appeared in issue 11, May 27, 2003, of Proc. Natl. Acad. Sci. USA (100, 6452-6457; First Published May 7, 2003; 10.1073/pnas.1036583100), due to a printer's error, the x axis labels for Fig. 4 are missing. The corrected figure and its legend appear below.
Fig. 4.
Polarization-dependent (parallel, perpendicular, and magic angle) transient absorbance change of the cycAMPB and linAMPB-peptide at selected probe frequencies. An example of the anisotropy is shown for 1,670 cm-1.