Immunogen sequence: PMSLECGCAV CLKCINSLQK EPHGEDLLCC CSSMVSRKNK IRRNRQLERL ASHIKELEPK LKKILQMNPR MRKFQVDMTL DANTANNFLL ISDDLRSVRS G; Positive Samples: U-87MG, 22RV1, 293T, LO2, Rat brain, Rat testis. RFPL1, RFPL2 and RFPL3 (ret finger protein-like 1, 2 a