Immunogen: Synthetic peptide located between aa35-84 of human TCF7L1 (Q9HCS4, NP_112573). Percent identity by BLAST analysis: Human, Chimpanzee, Gorilla, Galago, Marmoset, Mouse, Rat, Bovine, Guinea pig (100%); Monkey, Elephant, Opossum (92%); Rabbit (85%).