A number of ELISA Kits are available that target Sushi-repeat containing protein, X-linked, an alias of the protein, Sushi repeat containing protein, X-linked. In humans, this protein is encoded by the gene SRPX. It is also present in other species, such as: Mouse, Rat, Zebrafish, Frog, Chicken. Other name designations may also include: ETX1; sushi-repeat-containing protein, X chromosome; sushi-repeat-containing protein, X-linked. Sushi-repeat containing protein, X-linked has a reported size of 51.6 kilodaltons with an amino acid length of 464. There are 5 recognized isoforms.