Enables protein phosphatase binding activity. Acts upstream of or within heart development and ureteric bud development. Located in extracellular matrix. Is expressed in several structures, including central nervous system; embryo mesenchyme; genitourinary system; heart; and jaw. Human ortholog(s) of this gene implicated in intracranial aneurysm. Orthologous to human VCAN (versican). [provided by Alliance of Genome Resources, Apr 2022]