What is an antigen-antibody reaction?

Antigen antibody reaction is a specific chemical interaction, between antibodies produced by B cells of the WBC’s and antigen, during an immune reaction.

It is a fundamental reaction of the body in which the body is protected from complex foreign molecules, such as pathogens and their chemical toxins.

Antigen and antibody interact through a high affinity binding much like a lock and key. Antigens are bound to antibodies through weak and non covalent interactions, such as electrostatic interactions, H bonds, Van der Waals forces and hydrophobic interactions.

This immune complex is then transported to cellular system where it can be destroyed or deactivated.

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