3-D maps and coupling numbers for protein sequences |
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| Authors: | Chun Li Xiaoqing Yu Xiaoqi Zheng |
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| Institution: | a Department of Mathematics, Bohai University, Jinzhou 121013, PR China
b Department of Applied Mathematics, Dalian University of Technology, Dalian 116024, PR China |
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| Abstract: | Based on a five-letter model of the 20 amino acids, we propose a new 3-D graphical representation of protein sequence. Then we derive from the graphical representation, numerical indices called 3-D coupling numbers, to characterize protein sequences. The examination of the similarities/dissimilarities among the β-globin proteins of 15 species illustrates the utility of the approach. |
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| Keywords: | 87 10 -e 87 15 A- |
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