Greek key

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This article is about the protein domain; for the design element, see meander (art).
File:Anthrax toxin protein key motif.jpg
Greek-key motif in protein structure.

In biochemistry, the term Greek key refers to a kind of supersecondary structure or motif of a protein (amino-acid) sequence. It is named for its resemblance to the Greek key meander pattern in art.


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