Biologically Active Substance
microfilament proteins
Subclass of:
Cytoskeletal Proteins; Biopolymers
Definitions related to microfilament proteins:
  • Structurally complex proteins that are comprised of microfilaments, which are necessary components of the cellular cytoskeleton for motility and shape. Microfilaments physically associate with microtubules to play a structural role in cytoskeleton integrity.
    NCI
    U.S. National Cancer Institute, 2021
  • Monomeric subunits of primarily globular ACTIN and found in the cytoplasmic matrix of almost all cells. They are often associated with microtubules and may play a role in cytoskeletal function and/or mediate movement of the cell or the organelles within the cell.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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