1ZIL: Gcn4-Leucine Zipper Core Mutant Asn16gln In The Dimeric State
reference: Buried polar residues and structural specificity in the GCN4 leucine zipper., Gonzalez L Jr, Woolfson DN, Alber T, Nat Struct Biol 1996 Dec;3(12):1011-8. PMID: 8946854

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