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 excess liquid was removed with a water soaked Whatman paper ... size of 1.34 Å/pix or 1.35 Å/pix depending on the microscope used (Supplementary Table 2). Briefly, samples were vitrified on ...