Activation of preformed EGF receptor dimers by ligand-induced rotation of the transmembrane domain.

Abstract excerpt

The epidermal growth factor receptor plays crucial roles throughout the development of multicellular organisms, and inappropriate activation of the receptor is associated with neoplastic transformation of many cell types. The receptor is thought to be activated by ligand-induced homodimerisation. Here, however, we show by chemical cross-linking and sucrose density-gradient centrifugation that in the absence of...

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