5KKV:
reference: Accessing Three-Dimensional Crystals with Incorporated Guests through Metal-Directed Coiled-Coil Peptide Assembly., Nepal M, Sheedlo MJ, Das C, Chmielewski J, J Am Chem Soc. 2016 Aug 31;138(34):11051-7. doi: 10.1021/jacs.6b06708. Epub 2016 , Aug 16. PMID: 27500907

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