Structural Databases
Protein DataBank (PDB)
PDB in Europe
Relibase: Protein-Ligand Database
PDBsum: Pictorial database of 3D structures in the Protein Data Bank
Cambridge Structural Database
CATH
Lipase Engineering Database
Structural Classification of Proteins (Scop)
PDBeFold
Carbohydrate-Active Enzymes (CAZy)
LIPIDAT: Membrane protein Data Bank
Membrane Proteins of known 3D structure
Jena Library of Biological Macromolecules
Enzyme Structures Database