An All-Inclusive Review of the Achievements and Trends in the Fast-Growing Protein Engineering Field From humble beginnings like making fire for mere survival, engineering now steadfastly penetrates all aspects of our lives and even life itself at the molecular level. Protein engineering is a molecular biological discipline focused on designing and constructing novel proteins with desired properties. The currently limited understanding of the relationship between protein structure and function greatly hinders rational protein design. However, despite great challenges, protein...