A Periodical Nature of 94 Protein Families
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The techniques of Information Decomposition, Cyclic Profile Alignment, and Noise Decomposition allowed us to search for latent repeats within protein families of various functions. We have found out 94 protein families with a family-specific periodicity. In each case, the periodic element was found in greater than 70 % of family members. Latent periodicity profiles with specific length and signature was obtained in each case. The possible relationship between the periodic elements thus identified and the evolutionary development of the protein families are discussed with specific reference to the possibility that there is a correlation between the periodic elements and protein function.
Key wordslatent periodicity alignment information decomposition noise decomposition profile analysis repeats
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