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Dependence of mutual information of big protein sequence

  • Shi Feng
  • Huang Jing
  • Li Yuan-xiang
  • Zhou Huai-bei
Article
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Abstract

The mutual information function is used to describe the auto-correlation of amino acids in protein. We find two interesting phenomenon: (1) for any given big protein, the mutual information function l(k) is almost a const, where k is the length of gap. (2) for any two sequence similar proteins, the mutual information are nearly the same. As a consequent, we may use mutual information of protein as a character for sequences comparison.

Key words

entropy mutual information protein 

CLC number

O 242.28 Q 517 

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Copyright information

© Springer 2003

Authors and Affiliations

  • Shi Feng
    • 1
    • 2
  • Huang Jing
    • 1
    • 2
  • Li Yuan-xiang
    • 3
  • Zhou Huai-bei
    • 2
    • 3
  1. 1.School of Mathematics and StatisticsWuhan UniversityWuhan, HubeiChina
  2. 2.Advanced Research Center for Science & TechnologyWuhan UniversityWuhan, HubeiChina
  3. 3.State Key Laboratory of Software EngineerWuhan UniversityWuhan, HubeiChina

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