WD-repeat proteins

WD-repeat proteins
(= WD40)
The WD motif is a conserved sequence of approximately 40 amino acids usually ending with tryptophan and aspartic acid (WD). The motif is implicated in protein-protein interactions. Crystal structure of one WD-repeat protein (GTP-binding protein beta subunit) reveals that the seven repeat units form a circular propeller-like structure with seven blades.

Dictionary of molecular biology. 2004.

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