Automated description from the Alliance of Genome Resources
Exhibits heparin binding activity and signaling receptor binding activity. Involved in several processes, including male meiotic nuclear division; positive regulation of Wnt signaling pathway; and regulation of male germ cell proliferation. Localizes to the extracellular space and nucleus. Is expressed in several structures, including alimentary system; central nervous system; future brain; genitourinary system; and limb. Orthologous to human RSPO1 (R-spondin 1).