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Study on topological properties of weighted conformation space using complex network
Lai Zaizhi,Ji Guo SU,Wei Zu CHEN,Cun Xin WANG * #
College of Life Science and Bioengineering, Beijing University of Technology
*Correspondence author
#Submitted by
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Funding: 国家自然科学基金,国家自然科学基金,教育部博士点基金（No.10574009, 30670497,20040005013）
Opened online: 3 March 2008
Accepted by: none
Citation: Lai Zaizhi,Ji Guo SU,Wei Zu CHEN.Study on topological properties of weighted conformation space using complex network [OL]. [ 3 March 2008] http://en.paper.edu.cn/en_releasepaper/content/18961
 
 
The conformation space generated by a short two-dimensional lattice chain is mapped to a network. The conformations are the vertices of the network and the transitions between them are links. It has been found that this network has the “small-world” properties without considering the interaction energy of the monomer. To illustrate the influence of the interaction energy on the property of the conformation space network, the hydrophobic-polar lattice model was adopted and a method of weighting was proposed to study this network. When the weight based on the interaction energy of the monomer is added to the network, it is found that the weighted network shows the “scale-free” property. The result indicates that the weight is important for the topology of the conformation space network.
Keywords:complex networks, conformation space
 
 
 

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