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. 2023 Dec 21;12(1):9. doi: 10.3390/vaccines12010009

Figure 2.

Figure 2

(Left): Schematic diagram of the basic unit of immunoglobulin (antibody); 1: Fab; 2: Fc; 3: heavy chain (consist of VH, CH1, hinge, CH2 and CH3 regions: from N-term); 4: light chain (consist of VL and CL regions: from N-term); 5: antigen binding site; 6: hinge regions; -S-S- mean disulfide bonds. [Wikimedia Commons contributors, “File: Immunoglobulin basic unit.svg,” Wikimedia Commons, https://commons.wikimedia.org/w/index.php?title=File:Immunoglobulin_basic_unit.svg&oldid=622136039 (accessed on 6 December 2023)] (Right): Epitope-paratope association (Shutterstock).