Anti-SMTP3 antibodies can be readily obtained from commercial sources. The SMTP3 protein is a reported synonym for the human gene SUMO1, encoding small ubiquitin like modifier 1. The full-length protein is 11,557 daltons in mass with 2 identified isoforms. This protein is a member of the Ubiquitin family, SUMO subfamily. Visit the antibody supplier page for key details, including validated applications and target specificity.