SS18 encodes the human gene, Synovial sarcoma translocation, chromosome 18. It may also be known as: Protein SSXT; Synovial sarcoma translocated to X chromosome protein; Protein SYT; SSXT; SYT. The encoded protein has an amino acid length of 418 and a mass of 45.9 kDa. Other isoforms may exist. SS18 is a member of the SS18 family. Homologs of this gene exist in other organisms, including: Mouse, Rat, Zebrafish, Frog, Chicken.