Immunogen: A synthetic peptide C-THSPYAQPSS corresponding to amino acids 95-104 of human p73 was used as immunogen, GenBank EAW71468.1. This peptide sequence is 100% conserved across multiple p73 isoforms and between rat, mouse, dog and bovine p73. Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Marmoset, Mouse, Rat, Hamster, Elephant, Panda, Dog, Bovine (100%); Opossum, Chicken, Xenopus (90%); Bat, Rabbit, Turkey, Stickleback, Medaka, Pufferfish, Zebrafish, Nectri, Fusarium (80%).