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Structural biology

Transformative encounters

Researchers have met the challenge of capturing transient states of the SUMO E1 activating enzyme. Their pictures show radically different crystal structures for two of the steps in this enzyme's activity.

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Figure 1: Structural changes in the E1 enzyme necessary for the activation of a ubiquitin-like (Ubl) protein.

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Schulman, B., Haas, A. Transformative encounters. Nature 463, 889–890 (2010). https://doi.org/10.1038/463889a

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