Erratum
In the research article "Functional domains and upstream activation properties of cloned human TATA binding protein" by M. G. Peterson et al. (29 June, p. 1625), the amino acid glutamine was incorrectly abbreviated "Glu" in the caption for figure 1C (p. 1626) and three times in the third paragraph on page 1627. The correct abbreviation is Gin. In addition, the third paragraph of the article (p. 1625) should have begun, "In vitro reconstituted ... transcription...."