Comparative analysis of protein primary sequences with graph energy

被引：27

作者：

Wu, Haiyan ^{[1
]}

Zhang, Yusen ^{[1
]}

Chen, Wei ^{[1
]}

Mu, Zengchao ^{[1
]}

机构：

[1] Shandong Univ Weihai, Sch Math & Stat, Weihai 264209, Peoples R China

来源：

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2015年 / 437卷

关键词：

The graph energy; Laplacian energy; 2-D graphical representation; The increment of graphical energy; Similarity; LAPLACIAN ENERGY; REPRESENTATION; SIMILARITY/DISSIMILARITY; SIMILARITY; DESCRIPTOR; EVOLUTION;

D O I：

10.1016/j.physa.2015.04.017

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We propose in this paper, the graph energy and Laplacian energy of 20 amino acids based on the codons coding the amino acids and apply them to put forward a novel 2-D graphical representation of proteins. The novel graphical representation has no circuit or degeneracy, uniquely represents proteins and allows one to easily and quickly visually observe and inspect similarity/dissimilarity between them. It also leads to two novel protein descriptors, the graph energy of a protein sequence, and the increment of graph energy between two protein sequences. We develop similarities/dissimilarities model and successfully analyze the similarities/dissimilarities of ND5, 36PDs, 24TFs and 27AFPs with good results consistent with ClustalW even better ones. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：249 / 262

页数：14

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