Exhibits carbohydrate derivative binding activity and mannose binding activity. Predicted to be involved in regulation of T cell proliferation. Localizes to cell surface. Human ortholog(s) of this gene implicated in Coronavirus infectious disease; aspergillosis; dengue disease; human immunodeficiency virus infectious disease; and tuberculosis. Orthologous to human CD209 (CD209 molecule); PARTICIPATES IN measles pathway; tuberculosis pathway; INTERACTS WITH 2,3,7,8-tetrachlorodibenzodioxine; bis(2-ethylhexyl) phthalate; carbon nanotube.