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Pronunciation: ă-dap′tin

Definition: A multisubunit complex of proteins that has a binding site for the cytoplasmic aspect of cargo receptor molecules as well as a binding site for clathrin molecules, thus facilitating the formation of a clathrin coat around a vesicle; currently, four different types of adaptins are known, each capable of binding with the cytoplasmic aspect of the four different types of cargo receptors.

[adapt + -in]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.