TUBULIN
Tubulin is a protein, which ranks second after actin in amount in an eukaryotic cell. Tubulin is used to build microtubules. A molecule of tubulin is a dimer, 8 nm long. It consists of the subunits, glycoproteids α-tubulin and β-tubulin, covalently bound by disulfide bridges. It can be said that tubulin, equally with actin and myosin, belongs to the class of proteins responsible for cell movement.
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Supplementary information
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