Biologically Active Substance
tropomyosin Audio
trop·o·my·o·sin
Subclass of:
Microfilament Proteins; Muscle Proteins
Definitions related to tropomyosin:
  • A protein found in the thin filaments of muscle fibers. It inhibits contraction of the muscle unless its position is modified by TROPONIN.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • Actin-crosslinking protein that stabilizes the actin-troponin complex and, in the low calcium state, blocks myosin binding to the actin filament.
    CRISP Thesaurus
    National Institutes of Health, 2006
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