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Updated: Jun 20, 2026

A Protocol for Computer-Based Protein Structure and Function Prediction
Published on: November 3, 2011
Scatter search algorithm for protein structure prediction
Nashat Mansour1, Christine Kehyayan, Hassan Khachfe
1Department of Computer Science and Mathematics, Lebanese American University, Lebanon. nmansour@lau.edu.lb
Abstract:
In this paper, we present a Scatter Search (SS) algorithm for predicting 3D structures of proteins based on torsion angles representation. Given the protein's sequence of Amino Acids (AAs), our algorithm produces a 3D structure that aims to minimise the energy function associated with the structure. SS is an evolutionary approach that is based on a population of candidate solutions. These candidates undergo evolutionary operations that combine search intensification and diversification over a number of iterations. We evaluate our algorithm on three proteins taken from a Protein Data Bank (PDB). The results show that our algorithm is able to produce 3D structures with good sub-optimal energy values. Also, the Root Mean Square Deviations (RMSD) of these structures from the reference proteins are promising within limits imposed by the assumptions made.
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