Briola and co-authors determined the structure of the human CTF18 clamp loader bound to PCNA to high resolution, analyzed the structure, and tested a new mechanism involving a human-specific Ctf18 ...
The samples were also imaged at a Jeol JEM-1400 electron microscope. Substrates for helium ion microscopy were prepared by incubating silicon chips in poly-l-lysine (Sigma Aldrich) for five minutes ...