Major surface antigen p30 (SAG1) induces significant levels of p30 antibodies in all patients with toxoplasmosis. It has been described in the literature that this 30 kDa protein has the capacity to carry out the serological analysis of Toxoplasma infections.

Recombinant antigen for the diagnosis of Toxoplasmosis caused by Toxoplasma gondii, a human and animal infectious disease (mainly warm-blooded animals).