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| 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. Picture Stats: Views: 223 Filesize: 70.93kB Height: 832 Width: 363 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=34139 |