Katakura Industries Co., Ltd. (Katakura) is a research institute of biological science, operates through its business segment. The company operates in five business segments, namely, Textiles, Pharmaceuticals, Machinery, Services and other. The company renders its business operation through its Kaiko-Baculovirus system for producing gene-altered protein solution. It generates protein through baculovirus system, a well-known posttranslational modification system for producing membrane proteins, > 200 kDa proteins, and complex proteins, with the same functions. Furthermore, the company produced proteins are widely utilized by numerous researchers as the most practical protein production service capable for obtaining proteins with activities in milligram units. Apart from this, the company utilizes KaikoExpress for speedy and efficient recombinant protein production system for Antigen generation, X-Ray structure analysis and Interaction analysis etc. The company is headquartered at Tokyo, Japan.