The notion of the formal protein (FP) abstracts the biophysical principle of free energy dependence from the spatial conformation of a protein. The notion of the FP unites two main ideas:
The algebraic description of a protein’s chain geometry by means of quaternions;
The definition of free energy as a function over elements of quaternions.
KeywordsSingular Value Decomposition Torsion Angle Singular Vector Pauli Matrice Formal Protein
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© Springer Science+Business Media New York 2003