Immunogen sequence: LVGPMEITMG SLEKAGPVSP GCVKLAGQEG LVEMVLLMEP GAMRFLQLYH EDLLAGLGDV ALLPLEGPDM TGFRLCG. Poly(ADP-ribose) polymerases (PARPs), such as PARP10, regulate gene transcription by altering chromatin organization by adding ADP-ribose to histone