In the article above [Tan Z, Wortman M, Dillehay KL, Seibel WL, Evelyn CR, Smith SJ, Malkas LH, Zheng Y, Lu S, and Dong Z (2012) Mol Pharmacol 81:>:811–819], the structure drawing of PCNA-I1 in Fig. 1B was wrong. The hydroxy group should be in one position; instead, the drawing showed a 3-hydroxy compound. The wrong drawing also appeared in the docking image (Fig. 1A). The correct figure appears below.

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The authors regret this error and any inconvenience it may have caused.

• Copyright © 2013 by The American Society for Pharmacology and Experimental Therapeutics