Predicted to enable several functions, including platelet-derived growth factor binding activity; protein dimerization activity; and signaling receptor binding activity. Involved in digestive tract development and embryonic lung development. Acts upstream of or within several processes, including animal organ development; positive regulation of mesenchymal cell proliferation; and regulation of branching involved in salivary gland morphogenesis by epithelial-mesenchymal signaling. Located in extracellular space and microvillus. Is expressed in several structures, including alimentary system; extraembryonic component; genitourinary system; nervous system; and sensory organ. Human ortholog(s) of this gene implicated in high grade glioma. Orthologous to human PDGFA (platelet derived growth factor subunit A). [provided by Alliance of Genome Resources, Apr 2022]