JSC Masterclone (Masterclone) is a biotechnological company, focused on development and manufacture of biopharmaceutical products. It is engaged in the development and manufacturing of drug substances based on recombinant proteins that are derived from prokaryotic and eukaryotic cells. The key products of the company include Somatropin, a genetically engineered somatropic hormone and Filgrastim a hematopoietic growth factor. Its research and development consists of expression system division, cell biology division and protein extraction and analysis division. The company focuses in the field of molecular biology, pharmaceutical production, doctors, bio-organic chemistry and biotechnology, pharmacists, lawyers, intellectual property specialists. Research Laboratory, a part of scientific department of the company is engaged in creating and optimization eukaryotic expression system. It partners with JSC Masterpharm, Crucell and JSC Lekko. The company is headquarter in Moscow, Russia.