In this book, a wide variety of data is enclosed by presenting a solid base in protein engineering. It provides readers with information crucial to the design and fabrication of proteins. This book provides debates on a range of techniques for protein engineering, featuring researches from experts practicing around the globe. A wide range of topics analyzing important features of techniques and applications in the composition of new proteins are presented. These comprise the use of unnatural amino acids, molecular progression and protein folding to construct helpful proteins with better properties.