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tubulin beta 3 class III

Den TUBB3 gene provides instructions for making one version of a protein called beta-tubulin (β-tubulin). This protein is part of the tubulin family of proteins that form and organize cell structures called microtubules. Microtubules are rigid, hollow fibers that make up the cell's structural framework (the cytoskeleton). They are composed of β-tubulin and a similar protein called alpha-tubulin (α-tubulin) that is produced from a different gene. Microtubules grow and shrink as tubulin proteins are added to and removed from the ends of fibers. This process allows cells to move and change shape.

Normal function

Den TUBB3 gene provides instructions for making one version of a protein called beta-tubulin (β-tubulin). This protein is part of the tubulin family of proteins that form and organize cell structures called microtubules. Microtubules are rigid, hollow fibers that make up the cell's structural framework (the cytoskeleton). They are composed of β-tubulin and a similar protein called alpha-tubulin (α-tubulin) that is produced from a different gene. Microtubules grow and shrink as tubulin proteins are added to and removed from the ends of fibers. This process allows cells to move and change shape.

β-tubulin produced from the TUBB3 gene is found in nerve cells (neurons) in the brain. This β-tubulin protein plays a role in the growth of specialized nerve cell extensions called axons and dendrites (collectively called neurites). Studies show this protein is particularly important for the regrowth of neurites after injury. Neurites relay messages to and from the brain to control muscle movement and detect sensations.

In addition to their role in cell movement, microtubules also function as a track along which other proteins, called motor proteins, transport materials within cells. β-tubulin produced from the TUBB3 gene appears to be important in the attachment of motor proteins to microtubules.

Conditions referring to this gene or chromosome

Other names

class III beta-tubulin

Tubulin, Beta 3 Class III Gene

TUBULIN, BETA, CLASS III

TUBULIN, BETA-3

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Artikelhistorik

Informationen på denna sida är skriven och granskad av kvalificerade kliniker.
  • 18 aug 2020 | Senaste versionen
  • 1 Oct 2019 | Ursprungligen publicerad

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