Anti-SSA1 antibodies can be readily obtained from commercial sources. The SSA1 protein is a reported synonym for the human gene TRIM21, encoding tripartite motif containing 21. The full-length protein is 54,170 daltons in mass with 2 identified isoforms. This protein is a member of the TRIM/RBCC family. Visit the antibody supplier page for key details, including validated applications and target specificity.