CD4 protein molecule

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CD4 protein molecule

CD4 protein. Computer model of a molecule of the CD4 protein that plays a vital role in the immune system. Protein structural units are the coloured balls, each colour for a different amino acid. The CD4 protein is found on the surface of white blood cells called T-helper cells. As a surface protein, CD4 binds to the surface proteins on other cells and pathogenic micro-organisms. This interaction helps the T-helper cells to recognise a threat and initiate an immune response. CD4 also binds to HIV (the human immunodeficiency virus) as part of the process by which HIV kills the T-helper cells and compromises the immune system. CD4 is a monomeric glycoprotein chain of around 450 amino acids

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Media ID 6280533

© DR TIM EVANS/SCIENCE PHOTO LIBRARY

Acid Amino Acids Chain Compound Compounds Glycoprotein Graphic Immune System Immunology Lymphocyte Lymphocytes Macromolecule Molecules Monomeric Proteins Structural Surface White Blood Cells Bio Chemistry Biochemical Computer Artwork Molecular Protein

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