Corrections

Hui-Ping Chang, Chi-Yuan Chou, and Gu-Gang Chang. 2007. Reversible unfolding of the severe acute respiratory syndrome coronavirus main protease in guanidinium chloride. Biophys. J. 92:1374–1383

Fig. 8 was printed in black and white. It should have been in color. Here is the correct image:

Figure 1.