cIAP1 undergoes a dramatic conformational change during activation that is now shown to be due to the dynamic and metastable nature of the closed form of the enzyme. The discovery of such a striking mechanism for functional control was enabled by state-of-the-art enzymological and biophysical methods.
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Gill, M., Byrd, R. Dynamic activation of apoptosis: conformational ensembles of cIAP1 are linked to a spring-loaded mechanism. Nat Struct Mol Biol 21, 1022–1023 (2014). https://doi.org/10.1038/nsmb.2925
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DOI: https://doi.org/10.1038/nsmb.2925