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Science 22 October 1993:
Vol. 262. no. 5133, p. 492
DOI: 10.1126/science.262.5133.492-c
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Articles

Corrections and Clarifications

In the article "In vitro transcriptional activation by a metabolic intermediate: Activation by Leu3 depends on a-isopropylmalate" by Ji-Ying Sze et al. (13 Nov. 1992, p. 1143), the second sentence of the legend to figure 1 should have read, "In vitro transcription was carried out as described (6) with 1.2 µg of pUC18 and 0.3 µg of each template per 30-µ1 reaction."

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