Greek key

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This article is about the protein domain; for the design element, see meander (art).
Greek-key motif in protein structure.
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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Protein domains
BZIP - DED - Kringle - PH - SH2 - SH3 - zinc finger - FYVE - PX - ENTH - BAR - PDZ - CARD - SUN - TRIO - C1 - LIM - C2
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