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Understanding conserved amino acids in proteins

Author

Listed:
  • Dokholyan, Nikolay V.
  • Mirny, Leonid A.
  • Shakhnovich, Eugene I.

Abstract

It has been conjectured that evolution exerted pressure to preserve amino acids bearing thermodynamic, kinetic, and functional roles. In this letter we show that the physical requirement to maintain protein stability gives rise to a sequence conservatism pattern that is in remarkable agreement with that found in natural proteins. Based on the physical properties of amino acids, we propose a model of evolution that explains conserved amino acids across protein families sharing the same fold.

Suggested Citation

  • Dokholyan, Nikolay V. & Mirny, Leonid A. & Shakhnovich, Eugene I., 2002. "Understanding conserved amino acids in proteins," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 314(1), pages 600-606.
    • Handle: RePEc:eee:phsmap:v:314:y:2002:i:1:p:600-606
    DOI: 10.1016/S0378-4371(02)01079-8
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