Twisted and helical amyloid ribbons: (a) left-handed β-lactoglobulin
nanofibrils with multistranded twisted filaments. Reprinted with permission from
ref. 233. Copyright 2010, Nature
Publisher. (b) Cross-β amyloid TTR105–115 fibril with
triplet atomic-resolution structure. Reprinted with permission from ref. 294. Copyright 2013, National Academy of
Sciences. (c) Twisted right-handed helical ILQINS hexapeptide ribbon. Reproduced
with permission from ref. 297. Copyright
2014, American Chemical Society. (d) Twisted double-helical peptide ribbon,
Reprinted with permission from ref. 298.
Copyright 2009, Wiley-VCH Verlag GmbH & Co. (e) Amyloid-inspired rippled
β-sheet ribbons by the co-assembly of enantiomeric amphipathic peptides.
Reprinted with permission from ref. 299.
Copyright 2012, American Chemical Society.