Enables extracellular matrix binding activity. Acts upstream of or within several processes, including anatomical structure regression; lymph node development; and positive regulation of endothelial cell apoptotic process. Located in cytoplasm. Is expressed in several structures, including alimentary system; genitourinary system; hemolymphoid system; integumental system; and skeleton. Orthologous to human CD248 (CD248 molecule). [provided by Alliance of Genome Resources, Apr 2022]