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Any constituent part of the cytoskeleton, a cellular scaffolding or skeleton that maintains cell shape, enables some cell motion (using structures such as flagella and cilia), and plays important roles in both intra-cellular transport (e.g. the movement of vesicles and organelles) and cellular division. Includes constituent parts of intermediate filaments, microfilaments, microtubules, and the microtrabecular lattice. The actin part of any complex of actin, myosin, and accessory proteins. A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber. The myosin part of any complex of actin, myosin, and accessory proteins. Any complex of actin, myosin, and accessory proteins. A constituent part of an intracellular organelle, an organized structure of distinctive morphology and function, occurring within the cell. Includes constituent parts of the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton but excludes the plasma membrane. The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes. Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.

View Gene Ontology (GO) Term

GO TERM SUMMARY

Name: actomyosin
Acc: GO:0042641
Aspect: Cellular Component
Desc: Any complex of actin, myosin, and accessory proteins.
Synonyms:
  • actomyosin complex
  • actomyosin structure
Proteins in PDR annotated with:
   This term: 13 [Search]
   Term or descendants: 73 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0042641 - actomyosin (interactive image map)

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