Immunogen: Synthetic peptide C-LDLFEVEKDGEKE from an internal region of human PARP2 (NP_005475.1). Percent identity by BLAST analysis: Human, Gorilla (100%); Gibbon, Monkey, Marmoset (92%); Mouse, Hamster, Panda, Dog, Bat, Bovine, Horse, Rabbit, Pig (85%).