Additional file 1: Figure S1. of Differential requirement of bone morphogenetic protein receptors Ia (ALK3) and Ib (ALK6) in early embryonic patterning and neural crest development Carolin Schille Jens Heller Alexandra Schambony 10.6084/m9.figshare.c.3625301_D4.v1 https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_Figure_S1_of_Differential_requirement_of_bone_morphogenetic_protein_receptors_Ia_ALK3_and_Ib_ALK6_in_early_embryonic_patterning_and_neural_crest_development/4406705 Alignment of ALK6 and phylogenetic analysis of ALK3 and ALK6 protein sequences. (PDF 174 kb) 2016-01-19 05:00:00 BMP receptor ALK3 ALK6 Xenopus Dorso-ventral patterning Neural crest