1KQE: Solution Structure Of A Linked Shortened Gramicidin A In Benzeneacetone 10:1
reference: Cation control in functional helical programming: structures of a D,L-peptide ion channel., Arndt HD, Bockelmann D, Knoll A, Lamberth S, Griesinger C, Koert U, Angew Chem Int Ed Engl 2002 Nov 4;41(21):4062-5. PMID: 12412082

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