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Medical Definition of Leucine zippers
1. Domains in DNA-binding proteins that contain amino acid sequences that show periodic arrays of leucine residues. These residues exist in an alpha-helical conformation, with the leucine side chains extending from one alpha helix interdigitating with those displayed from a similar alpha helix of a second polypeptide, facilitating dimerization. (12 Dec 1998)
Lexicographical Neighbors of Leucine Zippers
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