Can stimulate endothelial cell proliferation, migration, as well as angiogenesis (By similarity). Promotes matrix assembly and cell adhesiveness. Binds various proteins from the extracellular matrix. Strongly expressed in ovary, followed by heart, muscle, spleen, brain, thymus, lung, liver, kidney, spleen, testis, ovary and skeletal muscle. At 16.5 dpc, present in rib cartilage, choroid plexus epithelium and associated blood vessels, and developing oral and tooth germ epithelia (at protein level). N-glycosylated.