Understanding the Size of Immunoglobulin G (IgG)

Explore the size and structure of Immunoglobulin G (IgG), a key antibody in the immune system.

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The size of Immunoglobulin G (IgG) is approximately 150 kDa (kilodaltons). Its structure is composed of two heavy chains and two light chains, forming a Y-shape. IgG molecules are typically about 10 nm (nanometers) in length.

FAQs & Answers

  1. What does IgG stand for? IgG stands for Immunoglobulin G, which is one of the main types of antibodies in the immune system.
  2. Why is the size of IgG important? The size of IgG is important for its function, affecting its ability to bind to antigens and its distribution in the body.
  3. How is IgG structured? IgG is structured as a Y-shaped molecule, consisting of two heavy chains and two light chains.

Watch More

For a deeper understanding of antibodies and their functions, check out our videos on the different types of Immunoglobulin and their roles in the immune response.

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