The group's principal activities are to develop therapeutic and industrial products using proprietary directed molecular evolution technologies. The group operates in three segments: human therapeutics, agriculture and chemicals. Human therapeutics provides protein pharmaceuticals and preventative and therapeutic vaccines. Agriculture segment provides solutions to commercial problems in plant-based businesses through the application of advanced dna breeding methods. Chemicals segment provides biologically-based process solutions for the discovery and manufacture of bulk, specialty and fine chemicals, including pharmaceutical intermediates. The group has collaborations with companies such as Delta and Pine Land Company, Aventis Pasteur and Pfizer inc. The group operates in the United States, Denmark, the United Kingdom and France.