Fusion protein amino acids 690-1196 (cytoplasmic C-terminus) of mouse Slo1 (accession number AAA39746) Human: 99% identity Rat: 100% identity Epitope mapped within amino acids 690-715 by Dr. D. Levy (Univ of Chicago); segment is 100% conserved in mouse, rat, human, horse, dog, pig, cow, Rhesus monkey, rabbit.