. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "vgfr2_mouse"^^ . "Kdr"^^ . "Fetal liver kinase 1"^^ . "Protein-tyrosine kinase receptor flk-1"^^ . "Kinase NYK"^^ . "Flk-1"^^ . "Flk1"^^ . . . "Vascular endothelial growth factor receptor 2"^^ .