Immunogen: Synthetic peptide C-QKDVENDGPEPSD from an internal region of human PPP2R3A (NP_002709.2; NP_871626.1). Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Elephant, Horse, Rabbit, Pig, Lizard (100%); Rat, Hamster, Bat, Bovine, Opossum, Turkey, Chicken (92%); Dog (85%).