Cambridge Cluster Database
   Low-energy configurations for atomic and molecular clusters bound by various potential energy functions. Images and Cartesian coordinates are supplied.
   http://www-wales.ch.cam.ac.uk/CCD.html

Early Interactive Molecular Graphics Movie Gallery
   QuickTime versions of molecular animation sequences from the late 1960s and early 1970s, with an emphasis on biomacromolecules.
   http://www.umass.edu/molvis/francoeur/movgallery/moviegallery.html

Fibroblast Growth Factors and Their Receptors: A Kinemage Collection
   This site uses kinemages to highlight the structural features of FGF ligands and receptors. Java-enabled browsers can manipulate the structures in real time using the KiNG application.
   http://www-personal.umich.edu/~lpt/fgf/fgf.htm

Molecular Models for Biochemistry
   Pictures of the molecular structure of amino acids. Also features common properties of all amino acids, peptide structures, and a protein structure quiz.
   http://www.bio.cmu.edu/Courses/BiochemMols/BCMolecules.html

Protein Data Bank
   Three-dimensional structures of biological macromolecules. Also includes newsletters and a description of the Protein Data Bank file format.
   http://www.rcsb.org/pdb/