Proteins are large biomolecules (or macromolecules), consisting of one or more long chains of amino acid residues. Most proteins have unique 3-dimensional structures. The shape into which a protein naturally folds is known as its native conformation.
If a protein can be modified and folded into the correct 3-D conformation. It is an active protein (or a protein with activity), or it is an inactive protein. The transition may be caused by things such as strong acid and heat which destroys or deactivates the protein.
In this category, all proteins are produced in a rigorous quality control system and their biological activity has been validated. We make sure that they are active proteins. In addition, these proteins are featured with high purity and low endotoxin. And they are stored in freeze-dried powder form for best stability, majority tag-free thus closer to native proteins.