Medical Definition of Kinesin

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Kinesin: A family of microtubule motor proteins active in mitosis. The kinesins use chemical energy from the hydrolysis of ATP (adenosine triphosphatase) to generate mechanical force. They bind tightly to and move along the microtubules. The kinesins are not related in sequence to the other known class of microtubule motor proteins, the dyneins.

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Reviewed on 9/7/2018

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