Molecular graphics of insulin hexamer

Molecular graphics of insulin hexamer

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Credit: J.C. REVY, ISM/SCIENCE PHOTO LIBRARY

Caption: Molecular computer graphics representation of insulin in its hexameric form. A single insulin molecule is made up of two chains of amino acids, the so-called A & B chains, which are held together by disulphide bridges. Here, green & purple dots display the molecular surface of the six molecules that form the subunits of the hexamer. The small green circle at centre represents a zinc atom. Parts of the atomic backbone are displayed as red & green stick forms. Insulin is stored in granules within the B cells of the pancreas, in the form of crystals consisting of 2 atoms of zinc and 6 molecules of insulin.

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Keywords: biochemical, biochemistry, chemical, chemistry, compound, compounds, diabetes, graphics, insulin, insulin hexamer, molecular graphic, molecule, molecules

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