Research report 2019 - Max Planck Institute of Biochemistry

Intercellular contacts - the self-inhibitory mechanism of Talin

Dedden, Dirk; Schumacher, Stephanie; Kelley, Charlotte F.; Zacharias, Martin; Biertümpfel, Christian; Fässler, Reinhard; Mizuno, Naoko
Forschungsgruppe Cellular and Membrane Trafficking
Cells contact other cells via precise docking points. Cell migration and immune reactions require a finely tuned attachment and detachment process. Therefore, the contact sites consist of a whole machinery of proteins, in which talin plays a central role. Using cryo-electron microscopy, we were able to show how talin can assume an inactive spherical shape and is thus inaccessible to contact other proteins. These results help to understand the adhesion mechanism and also dysfunctions in disease processes.

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