Amino Acid stock videos and footage

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Insulin is a protein hormone that regulates the metabolism of carbohydrates and fats through the assimilation of glucose from the blood in the skeletal muscles and fat tissue. Dsplay styles: ball and stick, ribbon, line and molecular surface . Source; PDB entry 3I40.

Antibodies are proteins produced by plasma cells. They identifiy and neutralize bacteria and viruses. Antibodies recognize unique molecules of the pathogen, called antigens. Antibody production is the main function of the humoral immune response.

The insulin receptor (violet) is a transmembrane protein, that is activated by insulin (light green). Insulin binding induces structural changes within the receptor. These changes trigger a biochemical chain of events inside the cell, (signal transduction) that finally leads to the activation of the glucose transporter protein (orange), which transports the glucose (yellow) molecules into the cell.

Proteasomes are protein complexes which degrade unneeded or damaged proteins by proteolysis, a chemical reaction that breaks peptide bonds. Animated 3D cartoon and Gaussian surface models, chloride ions shown green, based on PDB 5le5, black background.

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