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SlideshowReport

Immunoglobulin Structure

Description
Each immunoglobulin monomer (e.g., IgG) consists of four chains:

Two identical heavy chains (M = 53,000 Da each)

Two identical light chains (M = 23,000 Da each)

Held together by disulfide bonds.

Immunoglobulin molecules contain both constant and variable regions.

The variable regions are the antigen binding sites.
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