Codexis Inc is involved in the business of providing enzyme optimization services, commercialization of proteins and developing biocatalyst products. The firm's products and services include Screening and Evolution services, Enzymes, Screening Kits. It also develops protein engineering and biocatalyst platforms such as Codeevolver, Ketoreductases, Transminases, Imine reductases etc. The company generates majority of its revenues from research and development activities such as license, technology, access and exclusivity fees, research service fees etc.