Immunogen: Synthetic peptide C-AMKQNELLEPNSF from the C-terminus of human ELF1 (NP_758961.1; NP_001138825.1). Percent identity by BLAST analysis: Human, Gorilla, Gibbon, Monkey, Elephant, Bat, Rabbit (100%); Marmoset, Mouse, Hamster, Panda, Dog (92%).