Acts upstream of or within several processes, including circulatory system development; endothelial cell development; and in utero embryonic development. Part of protein-containing complex. Is expressed in several structures, including cardiovascular system; central nervous system; early conceptus; gut; and retina layer. Used to study cerebral cavernous malformation 2. Human ortholog(s) of this gene implicated in cerebral cavernous malformation 2. Orthologous to human CCM2 (CCM2 scaffold protein). [provided by Alliance of Genome Resources, Apr 2022]