Fig. 2
From: Atomic structure of PI3-kinase SH3 amyloid fibrils by cryo-electron microscopy

AFM images of PI3K-SH3 amyloid fibrils. a AFM image of PI3K-SH3 fibrils (scale bar, 3 µm). b Four different close-up views of fibrils showing both the thick, double filament (DF) fibril and thin, single filament (SF) fibril morphology (scale bar, 300 nm)