Immunogen: Synthetic 20 amino acid peptide from 1st cytoplasmic domain of human GPR49 / LGR5. Percent identity with other species by BLAST analysis: Human, Gibbon, Monkey (100%); Marmoset, Bovine, Bat (95%); Hamster, Elephant, Panda, Rabbit (90%); Mouse, Rat, Opossum (85%).