Igg 【720p 2027】

: Two identical chains, categorized as either kappa or lambda , each with one variable and one constant domain.

IgG is a Y-shaped glycoprotein composed of approximately and 4–18% carbohydrate . Its structure consists of: : Two identical chains, categorized as either kappa

: The "tail" of the Y-shape, which interacts with cell surface receptors (Fc receptors) and the complement system to trigger immune responses. The Four Subclasses of IgG : Two identical chains

: Binding to pathogens or toxins to prevent them from entering or damaging cells. categorized as either kappa or lambda

IgG antibodies perform four primary actions to defend the body:

: Often associated with chronic antigen exposure and may play a role in immune tolerance, though elevated levels are sometimes linked to autoimmune conditions. Key Biological Functions