Ataxin-3

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

**Definition:** Ataxin-3 (361 aa, ~41 kDa) is encoded by the human ATXN3 gene. This protein plays a role in deubiquitinase activity towards polyubiquitinated proteins.

**Synonyms:** - ATXN3 - Ataxin 3 - EC 3.4.19.12 - Josephin - Machado-Joseph Disease Protein 1 - Spinocerebellar Ataxia Type 3 Protein