Fig4F. Copyright: Reprinted with permission from Elsevier from [doi:10.1006/dbio.2002.0764] Dev Biol 249(2): 204-218, Leimeister C; Steidl C; Schumacher N; Erhard S; Gessler M, Developmental expression and biochemical characterization of Emu family members. Copyright 2002 [PMID:12221002]