We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSignal transduction. Imposing specificity on kinases.AuthorsPtashne, Mark; Gann, AlexanderPublicationScience (New York, N.Y.), 2003, Vol 299, Issue 5609, p1025ISSN1095-9203Publication typeJournal ArticleDOI10.1126/science.1081519