Immunogen sequence: KSETPLSPPC ADSATSEAAG QRPVHPASVP SVPSVQPSLL EDSPLVQALS GLHLSADRLE DSNKLKRSFS LDIKSVSYSA SMAASLHGFS SSEDALEYYK PSTTLDGTNK LCQFSPVQEL SEQTPETSPD KEEASIPKK. Dual-specificity phosphatases constitute a large heterogeneous subgroup of the t