A novel retinoic acid receptor is disclosed. The novel receptor is encoded for by cDNA carried on plasmid phRAR1, which has been deposited with the American Type Culture Collection for patent purposes. Chimeric receptor proteins are also disclosed. The chimera are constructed by exchanging functional...http://www.google.com.au/patents/US4981784?utm_source=gb-gplus-sharePatent US4981784 - Retinoic acid receptor method