Cambridge Cluster Database
Low-energy configurations for atomic and molecular clusters bound by various potential energy functions. Images and Cartesian coordinates are supplied.
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.
Protein Data Bank
Three-dimensional structures of biological macromolecules. Also includes newsletters and a description of the Protein Data Bank file format.
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