Single Molecule Biophysics and DNA Mechanics, University of York
Single Molecule Biophysics and DNA Mechanics
Prime 95B Scientific CMOS
Image courtesy of
Dr. Christoph Baumann
Lecturer in Molecular Biophysics
Department of Biology, University of York

Alexa Fluor 488-labelled colicin E9 protein molecules bound to extracellular face of BtuB transmembrane receptors in the outer membrane of live Escherichia coli JM83 cells (256 × 256 pixels2, 16.9 × 16.9 µm2, 30 frame sum, video data collected with 33 ms exposure and global shuttering).