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Secondary Structural Analysis of Families of Protein Sequences using Chaos Game Representation | OMICS International | Abstract
ISSN: 0974-7230

Journal of Computer Science & Systems Biology
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Research Article

Secondary Structural Analysis of Families of Protein Sequences using Chaos Game Representation

K. Manikandakumar1*, K. Gokul Raj2, S. Muthukumaran3 and R. Srikumar4

1Department of Physics, Bharathidasan University College, Tamil Nadu, India

2Department of Computer Science, Jamal Mohamed College, Tamil Nadu, India

3Department of Physics, The H.H. Raja’s College, Tamil Nadu, India

4Tamil Nadu State AIDS Control Society (TANSACS), Tamil Nadu, India

*Corresponding Author:
K. Manikandakumar
Department of Physics
Bharathidasan University College
Lalgudi, Tiruchirappalli District
Tamil Nadu, India
E-mail: [email protected]

Received Date: Febraury 28, 2012; Accepted Date: April 20, 2012; Published Date: April 23, 2012

Citation: Manikandakumar K, Raj KG, Muthukumaran S, Srikumar R (2012) Secondary Structural Analysis of Families of Protein Sequences using Chaos Game Representation. J Comput Sci Syst Biol 5: 047-051. doi:10.4172/jcsb.1000089

Copyright: © 2012 Manikandakumar K, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License,which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


We describe a novel way of applying Chaos Game Representation (CGR) method to protein sequences of different families by considering the amino acids into three secondary structure groups of residues. The present study to identify the patterns of the secondary structure of family of protein sequences for different ratios and to analyze to apply CGR method to protein structures, so as to find out any intrinsic self-similar pattern exhibited in the CGR plot. Further, we find that the sequences of different protein families belonging to all the four major structural classes namely, all α, all β, α plus β and α by β produce a similar kind of self-similar fractal structure. In a broader sense, is there any way to obtain a single graphical representation depicting any intrinsic self-similar pattern exhibited by the different protein families?


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