Estimates of the twinning fraction for macromolecular crystals using statistical models accounting for experimental errors

A statistical model that takes experimental errors into account allows improved estimates of the twinning fraction in merohedrally (or pseudo-merohedrally) twinned macromolecular crystals.

On macromolecular refinement at subatomic resolution with interatomic scatterers

Modelling deformation electron density using interatomic scatters is simpler than multipolar methods, produces comparable results at subatomic resolution and can easily be applied to macromolecules.