Immunogen: Synthetic peptide C-KGQTQNFKDAFSGRD from an internal region of human SLC7A11 (NP_055146.1). Percent identity by BLAST analysis: Human, Gorilla, Orangutan, Gibbon, Monkey, Marmoset (100%); Panda, Bovine, Horse, Rabbit (93%); Mouse, Rat, Elephant, Bat, Dog, Pig (87%); Hamster, Platypus, Xenopus (80%).