Figure 3From: The repertoire of G-protein-coupled receptors in Xenopus tropicalisDistribution of the number of different GPCR families in 7 different species. The species displayed, from left to right, were Homo sapiens [7], Mus musculus [7], Gallus gallus [11], Xenopus tropicalis, Tetraodon nigroviridis [6], Branchiostoma floridae [12] and Ciona intestinalis [13].Back to article page