Immunoglobulin G

The water-accessible surface area of an IgG antibody

Immunoglobulin G (IgG) is a type of antibody. Representing approximately 75% of serum antibodies in humans, IgG is the most common type of antibody found in blood circulation.[1] IgG molecules are created and released by plasma B cells. Each IgG antibody has two paratopes.

  1. ^ Vidarsson, Gestur; Dekkers, Gillian; Rispens, Theo (2014). "IgG subclasses and allotypes: from structure to effector functions". Frontiers in Immunology. 5: 520. doi:10.3389/fimmu.2014.00520. ISSN 1664-3224. PMC 4202688. PMID 25368619.