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Self-organizing molecular networks.

P Stange1, D Zanette, A Mikhailov

  • 1Abteilung Physikalische Chemie, Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Germany.

Biophysical Chemistry
|August 12, 1999
PubMed
Summary
This summary is machine-generated.

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In small reaction volumes, enzyme turnover times dictate kinetics, enabling allosteric enzyme networks to display self-organized collective dynamics.

Area of Science:

  • Biochemistry
  • Chemical Kinetics
  • Systems Biology

Context:

  • Micrometer and sub-micrometer reaction volumes feature rapid diffusional mixing and short delivery times.
  • Individual enzyme molecule turnover times become the dominant timescale in these confined environments.

Purpose:

  • To investigate the kinetic behavior of allosteric enzyme networks in micro-volumes.
  • To explore the emergence of collective dynamics in enzyme-catalyzed reactions.

Summary:

  • Under conditions where enzyme turnover is the rate-limiting step, cross-regulating allosteric enzymes form molecular networks.
  • These networks exhibit self-organized, coherent collective dynamics, driven by the unique kinetic regime of small volumes.

Impact:

Related Experiment Videos

  • Provides insight into the fundamental principles governing molecular network dynamics in confined biochemical systems.
  • Suggests potential for novel designs of biochemical oscillators and switches based on enzyme kinetics.