1. Branden C, Tooze J. 1991. Introduction to protein structure. New York: Garland Publishing.
2. Creighton TE. 1993. Proteins. New York: W.H. Freeman & Co.
3. Taylor WR, May ACW, Brown NP, Aszodi A. 2001. Protein structure: geometry, topology and classification. Rep Prog Phys 64:517-590.
4. Marti-Renom MA, Stuart AC, Fiser A, Sanchez R, Melo F, Sali A. 2000. Comparative protein structure model-ing of genes and genomes. Annu Rev Biophys Biomol Struct 29:291-325.
5. Bonneau R, Baker D. 2001. Ab initio protein structure prediction: progress and prospects. Annu Rev Biophys Biomol Struct 30:173-189.