Binding to the receptor (green) causes the G protein (yellow) to change its shape and release the regulatory molecule GDP. (IMAGE)

Universität Leipzig

Binding to the receptor (green) causes the G protein (yellow) to change its shape and release the regulatory molecule GDP.

Caption

Binding to the receptor (green) causes the G protein (yellow) to change its shape and release the regulatory molecule GDP.

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Photo: Peter W. Hildebrand

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