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Science 10 July 1992:
Vol. 257. no. 5067, p. 147
DOI: 10.1126/science.257.5067.147-b
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Corrections and Clarifications

The title of the 5 June report on page 1445 by R. C. deL. Milton et al. should have been "Total chemical synthesis of a D-enzyme: The enantiomers of HIV-1 protease show reciprocal chiral substrate specificity." Figure 3 in the same report (p. 1447) was inadvertently printed upside down. The labels "L-HIV protease" and "D-HIV protease" were therefore under the wrong illustrations. The correct figure is printed below.

[See figure in the PDF file]

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Science. ISSN 0036-8075 (print), 1095-9203 (online)