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Ashutosh posted an Question
October 14, 2020 • 00:56 am 30 points
  • IIT JAM
  • Biotechnology (BT)

Surface receptor (ig a) on the target cell is the site of binding of

surface receptor (Ig A) on the target cell is the site of binding of a. hepatitis B Virus b. HIA c. rabies d. Influenza A, B virus

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    Narayan singh best-answer

    Ans is A. HBV used the receptor of IgA for entry but the binding site of HBV is different from IgA binding site that the binding of HBV (hepatitis B virus) to receptor do some conformational changes in the receptor that alters the binding site for IgA. some Studies have proposed that the HBV and IgA use the same receptor may be because of limited sequence similarity between the receptor binding domain of preS1 (a viral protein) and the C region of the human IgA α1 chain

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