Medical Definition of Heptad repeat

  • 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.

Heptad repeat: A type of tandem repeat sequence in which a group of seven aminoacids occurs many times in a protein sequence. Heptad repeats are characteristic of certain proteins such as the intermediate filament proteins.

Reviewed on 9/7/2018

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