Immunoglobulin G antibody molecule

Numéro d’image : 11793855
Immunoglobulin G antibody molecule
Immunoglobulin G antibody molecule. Computer model showing the secondary structure of an immunoglobulin G (IgG) molecule. This is the most abundant immunoglobulin antibody and is found in all body fluids. Each Y-shaped molecule has two arms (top) that can bind to specific antigens,for instance bacterial or viral proteins. In doing this they mark the antigen for destruction by phagocytes,white blood cells that ingest and destroy foreign bodies. Antibodies can also kill some pathogens directly,and can neutralise toxins
Licence : Libre de droits
Crédit: Science Photo Library / INDIGO MOLECULAR IMAGES
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