E3 Ubiquitin-Protein Ligase TRIM21

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

**Definition:** E3 ubiquitin-protein ligase TRIM21 (475 aa, ~54 kDa) is encoded by the human TRIM21 gene. This protein is involved in both the mediation of protein ubiquitination and the regulation of the cell cycle.

**Synonyms:** - 52 kDa Ribonucleoprotein Autoantigen Ro/SS-A - 52 kDa Ro Protein - EC 2.3.2.27 - EC 6.3.2.-, Formerly - RING Finger Protein 81 - Ro(SS-A) - SS-A - Sjoegren Syndrome Type A Antigen - Tripartite Motif-Containing Protein 21