Codexis, Inc. is an enzyme engineering company, which engages in the development and sale of therapeutics. It operates through the Performance Enzymes and Novel Biotherapeutics segments. The Performance Enzymes segment commercializes CodeEvolver protein engineering technology platform and products in the pharmaceuticals market. The Novel Biotherapeutics segment targets new opportunities to discover and improve biotherapeutic drug candidates. Its products include screening kits and Codex HiFi Hot Start DNA Polymerase. The company was founded in January 2002 and is headquartered in Redwood City, CA.