Immunogen sequence: HYLRETPLPH LTSDDVDKAL QNSPRLMHAR NTDLPYEPPR RSAWTGHGHP TPQSKAAQPS PSTVPKTEDQ RPQ. v-ets erythroblastosis virus E26 oncogene like isoform 2 (ERG) is a transcriptional regulator. It may participate in transcriptional regulation through