What are P and Q in the given structure? | vedclass

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(B) The given structure represents an antibody molecule,which is $Y$-shaped. It consists of four polypeptide chains: two light chains and two heavy ch

Vedclass · Accepted Answer

Antigen binding site

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(B) The given structure represents an antibody molecule,which is $Y$-shaped. It consists of four polypeptide chains: two light chains and two heavy chains. The variable regions at the tips of the $Y$-shaped structure,labeled as $P$ and $Q$,are the specific sites where antigens bind to the antibody. Therefore,$P$ and $Q$ represent the antigen binding sites.

What are $P$ and $Q$ in the given structure?

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