tubulin
(redirected from alpha-tubulin)Also found in: Dictionary, Encyclopedia.
tubulin
[too´bu-lin]the constituent protein of microtubules; thought to be involved in phagocyte motility.
tu·bu·lin
(tū'byū-lin),A protein subunit of microtubules; it is a dimer composed of two globular polypeptides, α-tubulin and β-tubulin.
See also: dynein.
See also: dynein.
tubulin
/tu·bu·lin/ (too´bu-lin) the constituent protein of microtubules.tubulin
(to͞o′byə-lĭn, tyo͞o′-)n.
A globular protein that is the basic structural constituent of microtubules.
tu·bu·lin
(tū'byū-lin)A protein subunit of microtubules; it is a dimer composed of two globular polypeptides, α-tubulin and β-tubulin.
See also: dynein
See also: dynein
tubulin
A contractile protein that forms microtubules. These form the spindle fibres in MITOSIS that draw chromosomes apart is the course of cell division.tubulin
a globular protein molecule, similar to ACTIN, that is the building block of microtubules within the cytoplasm of cells.tubulin
the constituent protein of microtubules of cells which provide a skeleton for maintaining cell shape and is thought to be involved in cell motility.
α-tubulin
with β-tubulins contributes to the heterodimer tubulin, the building blocks of the electron microscopically visible cell components, the microtubules.
β-tubulin
one of the monomeric globular proteins which associate to form the dimer, α,β-tubulin, the basis of microfilaments.