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Updated: Mar 18, 2026

A Protocol for Computer-Based Protein Structure and Function Prediction
Published on: November 3, 2011
Protein sequence analysis by incorporating modified chaos game and physicochemical properties into Chou's general
Chunrui Xu1, Dandan Sun1, Shenghui Liu1
1School of Mathematics and Statistics, Shandong University at Weihai, Weihai 264209, China.
Abstract:
In this contribution we introduced a novel graphical method to compare protein sequences. By mapping a protein sequence into 3D space based on codons and physicochemical properties of 20 amino acids, we are able to get a unique P-vector from the 3D curve. This approach is consistent with wobble theory of amino acids. We compute the distance between sequences by their P-vectors to measure similarities/dissimilarities among protein sequences. Finally, we use our method to analyze four datasets and get better results compared with previous approaches.
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