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. Author manuscript; available in PMC: 2008 Jul 10.
Published in final edited form as: J Am Chem Soc. 2003 Jan 15;125(2):344–345. doi: 10.1021/ja027885u

Figure 1.

Figure 1

Schematic representation of an intrasterically inactivated inhibitor-DNA-enzyme (IDE) construct (left) and the DNA hybridization-triggered enzyme activation (right). IDE can be used to sense low concentrations of complementary DNA because of its built-in capacity for signal amplification via rapid substrate turnover.