Polyclonal antibody produced in rabbits immunizing with a synthetic peptide corresponding to N-terminal residues of Freshwater Flatworms Schmidtea mediterranea BCAT1 (Smed-betacatenin-1)
Petersen, Reddien: "Smed-betacatenin-1 is required for anteroposterior blastema polarity in planarian regeneration." in: Science (New York, N.Y.), Vol. 319, Issue 5861, pp. 327-30, (2008) (PubMed).
BCAT1 (Smed-betacatenin-1) contains Armadillo/beta-catenin-like repeats. An approximately 40 amino acid long tandemly repeated sequence motif first identified in the Drosophila segment polarity gene armadillo, these repeats were also found in the mammalian armadillo homolog beta-catenin.