Immunogen sequence: MADQGEKENP MRELRIRKLC LNICVGESGD RLTRAAKVLE QLTGQTPVFS KARYTVRSFG IRRNEKIAVH CTVRGAKAEE ILEKGLKVRE YELRKNNFSD TGNFGFGIQE HIDLGIKYDP SIGIYGLDFY VVLGRPGFSI ADKKRRTGCI GAKHRISKEE AMRWFQQKYD GIILPGK. Subunit of the splicing factor SF3B re