Immunogen sequence: VDEGEECSDS EGSHNEEAKE PDKTNKKEGE KTDRVGVASE ETPQTSSSSA RPGTPSDHQS QEASQFERKD EPKTEQTEKA EEETRMENSL PAKVPSRGDE MVADVQQPLS QIPSDTASPL LILPPPVPNP SPTLRPVETP VVGAPGMGSV S; Positive Samples: 293T, HeLa, Jurkat, Raji, LO2. The function of t