Anti-ETA-1 antibodies can be readily obtained from commercial sources. The ETA-1 protein is a reported synonym for the human gene SPP1, encoding secreted phosphoprotein 1. The full-length protein is 35,423 daltons in mass with 5 identified isoforms. This protein is reported to contain sites of glycosylation. Visit the antibody supplier page for key details, including validated applications and target specificity.