Entropic Elastomeric Force in Protein Structure/Function.

Abstract

Entropic protein elasticity can be the result of internal chain dynamics, specifically of librational processes that become damped on chain extension. This mechanism of entropic protein elasticity allows for an understanding not only of elastin but also of the passive tension of striated muscle, of the voltage-dependent interconversion between open and closed conductance states in the sodium channel of squid nerve, and of protein elastic forces producing strain in a substrate bond during enzyme catalysis. This understanding provides a mechanism for modulating protein function, whether for example enzymatic or channel, a mechanism for the remarkable reversible structural processes that attend parturition, and mechanism for the connective tissue anomalies of wound repair and environmentally induced lung disease.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1987
Accession Number
ADA185490

Entities

People

  • Dan W. Urry

Organizations

  • University of Alabama at Birmingham

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Birth
  • Collagen
  • Connective Tissue
  • Diseases And Disorders
  • Dynamics
  • Elastic Properties
  • Filaments
  • Frequency
  • Hydrophobic Properties
  • Lung Diseases
  • Modulation
  • Modulus Of Elasticity
  • Muscle Cells
  • Muscles
  • Smooth Muscle
  • Tissues
  • Transitions

Readers

  • Immunology and Pathology
  • Molecular and Cellular Biochemistry
  • Structural Dynamics.