Immunogen: Synthetic 17 amino acid peptide from internal region of human SCN9A / Nav1.7. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Monkey (100%); Marmoset, Mouse, Panda, Dog, Bovine, Horse, Rabbit, Pig (94%); Rat, Hamster, Bat (88%); Elephant, Platypus (82%).