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BIOCHEMISTRY. For the article “Bacteriophage T4 RNA ligase 2 (gp24.1) exemplifies a family of RNA ligases found in all phylogenetic domains,” by C. Kiong Ho and Stewart Shuman, which appeared in number 20, October 1, 2002, of Proc. Natl. Acad. Sci. USA (99, 12709–12714; First Published September 12, 2002; 10.1073/pnas.192184699), Fig. 5 was omitted from the paper due to a printer's error. The online and print versions have been corrected.
