Pdf in this paper we present a scatter search ss algorithm for predicting 3d structures of proteins based on torsion angles representation given the proteins sequence of amino acids aas . Consequently we need to study methods that predict protein structures in this thesis we present an improved scatter search ss algorithm for predicting all atoms protein structures using the charmm22 energy model our algorithm produces a 3d structure of the whole protein by minimizing the energy function linked to protein folding. Structure model may limit the quality of the predicted protein structure atom based ab initio methods either use fragment databases or are pure pure ab initio methods do not employ any prior information examples of such published pure ab initio work are based on scatter search algorithm 11 and a genetic algorithm 12. Present a scatter search algorithm for predicting 3d structures of proteins based on torsion angles representation given the proteins sequence of amino acids our algorithm produces a 3d . Protein structure prediction is one such problem locating the biologically relevant native conformation of a protein is a formidable computational challenge given the very large size of the search space here we describe foldit a multiplayer online game that engages non scientists in solving hard prediction problems
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