Peptide sequence: MEAISKDNIL YLQEQEKEAR SRAAYISALP TSPHWGRGFD EDKDEDEGSP Sequence homology: Cow: 83%; Dog: 100%; Goat: 100%; Horse: 82%; Human: 100%; Mouse: 100%; Rabbit: 100%; Rat: 100%; Yeast: 82%. p73 protein is a member of the p53 family of proteins.