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Journal of Biomolecular Structure and Dynamics Volume 26, 2009 - Issue 5
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Original Articles

A Novel Method to Analyze the Similarity of Biological Sequences

Wei Huang State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, Sichuan, 610065, P. R. China
,
Ying Guo College of Information Engineering Dalian University, Dalian of Liaoning, 116622, P. R. China
&
Jianmin Zhang State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu, Sichuan, 610065, P. R. China
Pages 599-607 | Received 20 Sep 2008, Published online: 15 May 2012
 
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Abstract

In this paper, we propose a new method based on the 2-D graphical representation to analyze the similarity of biological sequences and classify the protein secondary structure sequences. Instead of computing some characteristics from the distance matrix, the average area surrounded by the curve and X axis is computed as a new invariant. The new method is tested on two sets: the coding sequences of 30 mitochondrial genes from NCBI and 12 protein secondary structure sequences. The similarity/disimilarity and phylogenetic tree (dendrogram) of these sequences verify the validity of our method.

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