tubulin

Abundant cytoplasmic protein (55 kD), found mainly in two forms, a and b . A tubulin heterodimer (one a , one b ), constitutes the protomer for microtubule assembly. Multiple copies of tubulin genes are present (and are expressed) in most eukaryotic cells studied so far. The different tubulin isoforms seem, however, to be functionally equivalent. g -tubulin is localized in the centrosome and is involved in nucleation of microtubule assembly during the cell cycle. Highly conserved from yeast to mammals. ...

Tubulin

Tubulin (tubul- + -in) is one of several members of a small family of globular proteins. The tubulin superfamily includes five distinct families, the alpha-, beta-, gamma-, delta-, and epsilon-tubulins and a sixth family (zeta-tubulin) which is present only in kinetoplastid protozoa. The most common members of the tubulin family are α-tubulin and...
Found on http://en.wikipedia.org/wiki/Tubulin

tubulin

<cell biology, protein> Abundant cytoplasmic protein (55 kD), found mainly in two forms, _ and _. A tubulin heterodimer (one _, one _), constitutes the protomer for microtubule assembly. Multiple copies of tubulin genes are present (and are expressed) in most eukaryotic cells studied so far. The different tubulin isoforms seem, however, to be...
Found on http://www.encyclo.co.uk/local/20973

tubulin

(too´bu-lin) the constituent protein of microtubules; thought to be involved in phagocyte motility.
Found on http://www.encyclo.co.uk/local/21001

tubulin

A model of tubulin developed by Berkeley Lab scientists, showing the protein to be a dimer consisting of two monomers that are almost identical in structure. Each monomer is formed by a core of two beta sheets (blue and green) surrounded by helices, and each binds to a guanine nucleotide (pink). In ...
Found on http://www.daviddarling.info/encyclopedia/T/tubulin.html

tubulin

One of a group of proteins found in high levels in the cell cytoplasm (fluid inside a cell but outside the cell's nucleus). Tubulins are the building blocks of microtubules (narrow, hollow tubes inside a cell), which are involved in cell division and cell movement. Certain anticancer drugs bind to and block the formation or function of tubulins, wh...
Found on http://www.cancer.gov/dictionary?expand=T

tubulin

Type: Term Pronunciation: tū′byū-lin Definitions: 1. A protein subunit of microtubules; it is a dimer composed of two globular polypeptides, α-tubulin and β-tubulin.
Found on http://www.medilexicon.com/medicaldictionary.php?t=94778
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