E3 Ubiquitin-Protein Ligase XIAP

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

**Definition:** Baculoviral IAP repeat-containing protein 4 (497 aa, ~57 kDa) is encoded by the human XIAP gene. This protein plays a role in both protein ubiquitination and the inhibition of apoptosis.

**Synonyms:** - Apoptosis Inhibitor 3 - BIRC4 - Baculoviral IAP Repeat-Containing Protein 4 - EC 2.3.2.27 - EC 6.3.2.-, Formerly - HILP - IAP-3 - IAP-Like Protein - ILP - Inhibitor of Apoptosis Protein 3 - RING-Type E3 Ubiquitin Transferase XIAP - X-Linked IAP - X-Linked Inhibitor of Apoptosis Protein - X-linked Inhibitor of Apoptosis - hIAP-3 - hIAP3