Component of the nuclear pore complex (NPC) that seems to be required for NPC assembly and maintenance (By similarity). Involved in nephrogenesis (PubMed:30179222). Component of the nuclear pore complex (NPC). Morpholino knockdown of nup85 results in abnormal pronephric development characterized by underdeveloped to completely absent pronephros. Belongs to the nucleoporin Nup85 family.