Ubiquilin-4

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

**Definition:** Ubiquilin-4 (601 aa, ~64 kDa) is encoded by the human UBQLN4 gene. This protein may be involved in the modulation of proteasome-mediated protein degradation.

**Synonyms:** - A1Up - Ataxin-1 Interacting Ubiquitin-Like Protein - Ataxin-1 Ubiquitin-Like Interacting Protein - Ataxin-1 Ubiquitin-Like-Interacting Protein A1U - CIP75 - Connexin 43-Interacting Protein, 75 kD - Connexin43-Interacting Protein of 75 kDa