TRIM1 is an alias for the gene, Midline 2, in humans. Other names include: Probable E3 ubiquitin-protein ligase MID2; Midin-2; Midline defect 2; Midline-2; RING finger protein 60; Tripartite motif-containing protein 1; Probable E3 ubiquitin-protein ligase MID2 ; FXY2; MRX101; RNF60. The encoded protein is an enzyme with an amino acid length of 735 and a mass of 83.2 kDa. Other isoforms may exist. TRIM1 is a member of the TRIM/RBCC family. This gene shares homology with other species, including: Mouse, Yeast, Rat, Zebrafish, Frog, Chicken.