Figure 1From: The artiodactyl APOBEC3 innate immune repertoire shows evidence for a multi-functional domain organization that existed in the ancestor of placental mammalsThe mammalian A3 Z domains form three distinct phylogenetic groups. Bootstrap values are indicated in red. The scale bar represents 0.1 nucleotide changes per codon. See the Methods for details. Abbreviations for mammals: Hs = human, Bt = cow, Oa = sheep, Ss = pig, Tt = peccary, Ec = horse, Cf = dog, Fc = cat, Mm = mouse and Rn = rat. Other abbreviations: n = amino terminal domain and c = carboxy terminal domain.Back to article page