Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10822582 | Current Opinion in Structural Biology | 2013 | 8 Pages |
Abstract
The encounter complex of two proteins is a dynamic intermediate state that guides proteins to their binding site, thus enhancing the rate of complex formation. It is particularly useful for complexes that must balance a biological requirement for high turnover with the need for specific binding, such as electron transfer complexes. Here, we describe the current methods for studying and visualizing encounter complexes. We discuss recent developments in mapping the energy landscapes, the role of hydrophobic interactions during encounter complex formation and the discovery of futile encounter complexes. These studies have not only provided insight into encounter complexes of electron transfer proteins, but also opened up new questions and approaches for studying encounter complexes in other weakly associated proteins.
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Authors
Jesika Schilder, Marcellus Ubbink,