Protalix BioTherapeutics Inc is a commercial-stage biopharmaceutical company focused on the discovery, development, production, and commercialization of therapeutics for rare diseases with important unmet needs. ProCellEx, a proprietary plant cell-based protein expression system, represents a new method for developing recombinant proteins in an industrial-scale manner. corporate includes the development of treatments for rare and orphan diseases. The Company operates as a single operating segment in Israel.