Protein Engineering is the process of leveraging existing knowledge and expertise to improve protein stability. It also can improve specificity, activity, and stability of existing proteins. The primary end goals are to enhance clinical function and/or process performance.
This analysis here covers the market potential of high performance enzymes. There are a wide range of potential applications.
There are several companies in the space and one in particular that really stands out with potential. Codexis is a major player here and the performance of its stock price over the last five years is breathtaking.
Here is the major licensing deal Codexis signed with Merck in 2019.