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Structural View of Biology


Biomolecular structures allow us to understand the molecular nature of healthy cells and treat the underlying molecular causes of disease. Our cells contain thousands of molecules that must all work in concert to keep us healthy. When any of these molecules fails, or when a poison or pathogenic organism attacks these molecules, it may cause disease. Our bodies have many defenses against disease, and medical science has developed powerful drugs to assist these defenses.

Toxins and poisons bind to critical molecules in cells, blocking their action and killing the cell. Bacterial toxins are often particularly deadly, because they specifically bind to cells, force themselves inside, and destroy many copies of the cellular target.

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Please see our usage polices for citation and reprint information. Copies of the illustrations used in these features are available for download as high resolution TIFF images. Please note that the structures used to illustrate each installment are chosen at the discretion of the authors; the features are not intended to represent a historical record. The process behind the creation of this feature is described by the author.