Pauling, L., Corey, R.B. (1951) The structure of proteins: Two hydrogen-bonded helical cofigurations of the polypeptide chain. Proc.Natl.Acad.Sci. U.S.A. 37 p.205-211.
 Richmond, T.J. and Richards, F.M. (1978) Packing of alpha-helices: geometrical constraints and contact areas. J. Mol. Biol. 119 p537-555.
 Richardson, J. S. (1981) The anatomy and taxonomy of protein structure.Adv. Prot. Chem. 34, p.167-339.
 Richardson, J. S. (1977). Beta-Sheet topology and the relatedness of proteins. Nature 268. p.495-500
 Koehl, P. and Levitt M. (1999). A brighter future for protein structure prediction. Nature structural biology 6,2 p. 108-112.
 Chou, P.Y. and Fasman, G.D. (1978) Empirical predictions of protein conformations. Ann. Rev. Biochem. 47:251-276.
 Garnier, J., Gibrat J.-F., and Robson, B. (1996) GOR Method for Predicting Protein Secondary Structure from Amino Acid Sequence. Meth. Enz. 266:540-553.
 B Rost, and C Sander (1993) Prediction of protein secondary structure at better than 70% accuracy. J Molecular Biol, 232, 584-599.
 Ramachandran, G.N. and Sassiekharan, V. (1968) Conformation of polypeptides and proteins. Adv. Prot. Chem. 28 p.283-437.
 Sippl, J.M. (1990) Calculation of Conformational Ensembles from Potentials of Mean Force: an approach to the knowledge based prediction of local structures in globular proteins. J. Mol. Biol. 213,859-883.
 M.J. Sippl. (1993) Recognition of errors in three-dimensional structres of proteins. Proteins Struct. Funct. Genet. 17:355-362.
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