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Title: Antibody, Molecular Model
Caption: Molecular model from X-ray diffraction data (PDB ID: 1igt) of a single antibody. Antibodies (immunoglobulins) are proteins which recognize and neutralize foreign molecules (antigens) in the body, for example some bacteria and viruses. They form part of the immune system that protects us from infection. Antibodies have a characteristic Y-shaped structure which is composed of 2 heavy chains (orange) and 2 light chains (yellow). They also have 2 antigen binding regions (Fab) and a Fc region. Width of image is approximately 16 nm. Digital artwork. Supplied by David S. Goodsell, RCSB Protein Data Bank, courtesy of Wellcome Images.
Category: medical
Credit: Album / Science Source / Wellcome Images
Image size: 5952 × 4717 px | 80.3 MB
Print size: 50.4 × 39.9 cm | 2343.3 × 1857.1 in (300 dpi)