Immunogen: Synthetic 17 amino acid peptide from 3rd cytoplasmic domain of human CXCR7. Percent identity with other species by BLAST analysis: Human, Horse (100%); Gorilla, Gibbon, Monkey, Marmoset, Dog, Elephant (94%); Mouse, Rat, Hamster (88%); Bat, Bovine, Rabbit, Pig, Opossum (82%).