Lower limit to the size of the primeval amino acid alphabet.

  • Ariel Fernández
  • Published 2004 in
    Zeitschrift fur Naturforschung. C, Journal of…

Abstract

Here I systematically examine the information complexity of all primary sequences of natural proteins deposited in the Swiss-Prot database. The sequence complexity is assessed by determining the frequency of occurrence of each amino acid type on sequence windows of fixed length, calculating the Shannon entropy of the window and then averaging over all… (More)

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