Immunogen sequence: MPSSTSPDQG DDLENCILRF SDLDLKDMSL INPSSSLKAE LDGSTKKKYS FAKKKAFALF VKTKEVPTKR SFECKEKLWK CCQQLFTDQT SIHRHVATQH ADEIYHQT Highest antigen sequence identity to the following orthologs: Mouse - 73%, Rat - 70%. TSTD2 is a protein coding gen