Heavy Atom Databases

Blundell HA Databank
Heavy atom compounds
Heavy atom database at UCLA
Periodic Table Heavy Atoms
IMCA-CAT Derivatization Standard Operating Procedure
Preparing a useful derivative - UCLA-DOE
Xenon Derivatives

The Substructure Reporter - Database of structures with 20 or more independant heavy-atom sites
Atomic Scattering Factors - Graph
Element Edges
X-ray Anomalous Scattering
X-ray Emission Lines - K and L edges in KeV

Screening for phasing atoms in protein crystallography.