Positive Samples: Mouse brain, Mouse spleen, Rat brain, Rat spleen Immunogen sequence: SPKEKNRLRK PVVEKMRRDR INSSIEQLKL LLEQEFARHQ PNSKLEKADI LEMAVSYLKH SKAFVAAAGP KSLHQDYSEG YSWCLQEAVQ FLTLHAASDT QMKLLYHFQR PPAAPAAPAK EPKAPGAAPP P. Hairy and Enhancer-of