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What portion of an antibody is bound both by receptors expressed on various immune cells and...

What portion of an antibody is bound both by receptors expressed on various immune cells and by proteins of the complement system?

light chain

CDR

Fab

Fc

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Answer #1

Fc region of the antibody.

Fc region is called fragment crystallizable region. This binds to cell surface receptors of immune cells and generate appropriate immune responses for a given antigen by binding to Fc receptors and this also binds to other immune molecules of the of the complement system.

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