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. 2020 Nov 13;3:172. doi: 10.1038/s42004-020-00414-w

Fig. 2. Charge-complementary CATCH peptide pairs form β-sheet nanofibers.

Fig. 2

a TEM micrographs of CATCH(2+/2−), CATCH(4+/4−), and CATCH(6+/6−) (scale bar = 200 nm). b FTIR-ATR spectra of CATCH(2+) (dashed blue line), CATCH(2−) (dashed red line), CATCH(2+/2−) (solid black line), CATCH(4+) (dashed blue line), CATCH(4−) (dashed red line), CATCH(4+/4−) (solid black line), CATCH(6+) (dashed blue line), CATCH(6−) (dashed red line), CATCH(6+/6−) (solid black line). c CPMAS of co-assembled CATCH(2+/2−) (light gray line), CATCH(4+/4−) (dark gray line), and CATCH(6+/6−) (black line). d DMD simulations of co-assembled CATCH(2+/2−), CATCH(4+/4−), and CATCH(6+/6−) after 16 µs where cationic and anionic peptides are represented by blue and red, respectively.