Standard database or policy: Protein Data Bank in Europe or SUPERFAMILY
PDBe: Searching for biological macromolecular structures from http://www.ebi.ac.uk/training/online/course/pdbe-searching-biological-macromolecular-structure.
PDBe: Searching the Protein Data Bank from http://www.ebi.ac.uk/training/online/course/pdbe-searching-protein-data-bank.
PDBe: Quick tour from http://www.ebi.ac.uk/training/online/course/pdbe-quick-tour.
PDBe: Exploring a Protein Data Bank (PDB) entry from http://www.ebi.ac.uk/training/online/course/pdbe-exploring-protein-data-bank-pdb-entry.
PDBe: An introduction to search and entry pages: webinar from http://www.ebi.ac.uk/training/online/course/pdbe-introduction-search-and-entry-pages-webinar.