The pore is completely plugged towards its periplasmic end, though, by the presence of a large 150-residue N-terminal domain, which consists mainly of a four-stranded β-sheet. Two loops from this ...
The assembly of the NM construct produced lamellar cross-β-sheet amyloid fibrils based on transmission electron microscopy (TEM), Congo red binding, X-ray fibril diffraction and atomic force ...