Immunogen: Synthetic 17 amino acid peptide from N-terminal extracellular domain of human FZD1 / Frizzled 1. Percent identity with other species by BLAST analysis: Human, Gorilla, Gibbon, Baboon, Monkey, Marmoset, Mouse, Rat, Shrew, Hamster, Panda, Dog, Bat, Bovine, Horse, Rabbit, Opossum, Armadillo (100%); Elephant (94%).