Figure 3 of Tang, Mol Vis 2016; 22:917-932.

Figure 3. Protein sequence alignment of human Frizzled 4 with homologs from human and other species: mouse, zebrafish, cow, chicken, rat, and frog Frizzled 4 proteins and the human Frizzled family proteins. The novel mutations C45R, C45S, C53S, and C90R are indicated.