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Molecular recognition and information gain.

A Sarai1

  • 1Laboratory of Mathematical Biology, NIH, Bethesda, Maryland 20892.

Journal of Theoretical Biology
|September 11, 1989
PubMed
Summary
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Molecular recognition gains information, quantifiable using thermodynamic principles. This information gain measures molecular specificity, enabling quantitative comparisons and identifying specific interactions.

Area of Science:

  • Biophysics
  • Biochemistry
  • Information Theory

Background:

  • Molecular recognition is crucial for biological processes.
  • Understanding the efficiency and specificity of molecular recognition is key.
  • Information theory offers a framework to quantify recognition processes.

Purpose of the Study:

  • To analyze molecular recognition as an information transduction process.
  • To quantify the information gain during molecular recognition using thermodynamic principles.
  • To establish information gain as a measure of molecular recognition specificity.

Main Methods:

  • Application of information theory to molecular recognition.
  • Expression of information gain in terms of thermodynamic quantities.

Related Experiment Videos

  • Experimental evaluation of information gain.

    • Main Results:

    • Molecular recognition involves a quantifiable information gain.
    • Information gain correlates with the specificity of molecular interactions.
    • This measure allows for quantitative comparison of specificity among different molecules.
    • Thermodynamic constraints significantly influence molecular recognition specificity.

    Conclusions:

    • Information gain provides a normalized and quantitative measure of molecular recognition specificity.
    • It allows for the identification and comparison of specific molecular interactions.
    • The thermodynamic nature of molecular interactions fundamentally impacts recognition specificity.
    • Understanding information gain has significant biological implications for molecular recognition.