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. Author manuscript; available in PMC: 2021 Jan 2.
Published in final edited form as: Angew Chem Int Ed Engl. 2019 Nov 14;59(1):358–363. doi: 10.1002/anie.201907661

Figure 5. Structural models of peptide-alone and NA/pep co-assemblies.

Figure 5.

(A) Peptide and DNA are depicted as globular structures with space filling models. (B) Peptides assemble as parallel and anti-parallel β-sheets and as (C) multi-lamellar nanotubes when templated by NAs. (D) Cross-β monolayers make up the individual lamellae of the peptide/DNA nanotubes with DNA passivating the positively-charged cross-β surface. (E) The peptides in the co-assembly are anti-parallel, in-register containing 4.7Å and 10.5Å d-spacings assigned to inter-strand and inter-sheet distances, respectively. The red N-terminal lysine amine and the blue NA highlight their electrochemical distribution in the co-assemblies.