1C94:
reference: The retro-GCN4 leucine zipper sequence forms a stable three-dimensional structure., Mittl PR, Deillon C, Sargent D, Liu N, Klauser S, Thomas RM, Gutte B, Grutter MG, Proc Natl Acad Sci U S A 2000 Mar 14;97(6):2562-6. PMID: 10716989

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