Ubiquitin-Like Modifier-Activating Enzyme 1

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

**Definition:** Ubiquitin-like modifier-activating enzyme 1 (1058 aa, ~118 kDa) is encoded by the human UBA1 gene. This protein is involved in the activation of ubiquitin metabolism.

**Synonyms:** - EC 6.2.1.45 - POC20 Centriolar Protein Homolog - Protein A1S9 - Testicular Secretory Protein Li 63 - UBA1 - UBE1 - Ubiquitin Like Modifier Activating Enzyme 1 - Ubiquitin-Activating Enzyme 1 - Ubiquitin-Activating Enzyme E1 - Ubiquitin-Activating Enzyme E1 Homolog A - Ubiquitin-Like Modifier Activating Enzyme 1