The observed filament of Rad51 in this crystal structure has several notable features. Its 130-Å pitch is longer than that of the previously determined RecA crystal structures (73–83 Å), and ...

Filament structure found to activate and regulate CRISPR-Cas 'protein scissors' Story by Science X staff • 4d. C RISPR-Cas systems help to protect bacteria from viruses.

In cells, the self-assembly of cytoskeletal filaments is critical for cellular motility, structure, intracellular transport, and division. Semiflexible cytoskeletal filaments driven by polymerization ...