Alpha Tubulin

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** A family of globular proteins that form dimers with beta tubulins. The alpha-beta tubulin dimers polymerize in a guanosine triphosphate (GTP)-dependent fashion to form microtubules.

**Synonyms:** - Alpha-Tubulin - TUBA - Tubulin Alpha