The Global protein expression market is projected to reach USD 2,282.6 Million by 2022 from an estimated USD 1,368.8 Million in 2016, at a CAGR of 9.12%, The key factors for the growing demand for protein expression market are rise in R&D expenditure in the pharma division, rising number of chronic diseases, positive forecast in the field of proteomics. Increase in government funding is another major factor driving the growth of the market. However, factors such as consolidation of the market by a few major companies, high costs of protein expression reagents and instruments and complex regulatory environment are restraining the growth of the market.