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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. Any macromolecular complex composed of two or more polypeptide subunits, which may or may not be identical. Protein complexes may have other associated non-protein prosthetic groups, such as nucleotides, metal ions or other small molecules. The bundle of microtubules and associated proteins that forms the core of cilia and flagella in eukaryotic cells and is responsible for their movements. Any constituent part of an axoneme, the bundle of microtubules and associated proteins that forms the core of cilia and flagella in eukaryotic cells and is responsible for their movements. The part of the cytoskeleton (the internal framework of a cell) composed of microtubules and associated proteins. Any of the long, generally straight, hollow tubes of internal diameter 12-15 nm and external diameter 24 nm found in a wide variety of eukaryotic cells; each consists (usually) of 13 protofilaments of polymeric tubulin, staggered in such a manner that the tubulin monomers are arranged in a helical pattern on the microtubular surface, and with the alpha/beta axes of the tubulin subunits parallel to the long axis of the tubule; exist in equilibrium with pool of tubulin monomers and can be rapidly assembled or disassembled in response to physiological stimuli; concerned with force generation, e.g. in the spindle. A microtubule in the axoneme of a cilium or flagellum; an axoneme contains nine modified doublet microtubules surrounding a pair of single microtubules. Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm. Any constituent part of a cell projection, a prolongation or process extending from a cell, e.g. a flagellum or axon. Any constituent part of an organelle, an organized structure of distinctive morphology and function. Includes constituent parts of the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton, but excludes the plasma membrane.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: axonemal microtubule
Acc: GO:0005879
Aspect: Cellular Component
Desc: A microtubule in the axoneme of a cilium or flagellum; an axoneme contains nine modified doublet microtubules surrounding a pair of single microtubules.
Proteins in PDR annotated with:
   This term: 3 [Search]
   Term or descendants: 3 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0005879 - axonemal microtubule (interactive image map)
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