UK X-Ray Tutorials


Step-by-step guides

Structure solution and refinement

Solution and refinement of a straightforward structure: sucrose

Simple disorder

Modelling and refinement of disorder: sorbose

Whole-molecule disorder

Modelling and refinement of whole-molecule disorder

Twinning by pseudo-merohedry

Solution and refinement of a structure twinned by pseudo-merohedry

Combined twinning and disorder

Uric acid dihydrate - a classic! Includes details of how to use FRAG...FEND

'How-to' instructions

Tutorials from the crypt

(No longer maintained, but might still be useful)