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Related Experiment Videos

Structural variations among the kinesins.

D G Cole1, J M Scholey

  • 1Section of Molecular and Cellular Biology at the University of California, Davis, CA 95616, USA.

Trends in Cell Biology
|July 1, 1995
PubMed
Summary
This summary is machine-generated.

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Kinesin motor proteins assemble from polypeptides with conserved motor and diverse tail domains. Tail diversity in kinesin proteins explains variations in their overall structure and function.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Biochemistry

Background:

  • Kinesin motor proteins are essential for intracellular transport.
  • These proteins are composed of conserved motor domains and variable tail domains.

Purpose of the Study:

  • To investigate the role of kinesin tail domain diversity in determining the quaternary structure of kinesin holoenzymes.

Main Methods:

  • Analysis of kinesin polypeptide sequences.
  • Comparison of structural data for native kinesin holoenzymes.

Main Results:

  • Kinesin tail domains exhibit significant diversity.
  • This diversity correlates with observed differences in the quaternary structure of native kinesin holoenzymes.

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Conclusions:

  • Kinesin tail domain diversity is a key determinant of kinesin holoenzyme quaternary structure.
  • Understanding this relationship provides insights into the functional specialization of kinesin motor proteins.