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Staphylococcal Protein A

A protein present in the cell wall of most Staphylococcus aureus strains. The protein selectively binds to the Fc region of human normal and myeloma-derived IMMUNOGLOBULIN G. It elicits antibody activity and may cause hypersensitivity reactions due to histamine release; has also been used as cell surface antigen marker and in the clinical assessment of B lymphocyte function.

Year introduced: 1978

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Tree Number(s): D12.776.097.820, D23.050.161.821

MeSH Unique ID: D013205

Entry Terms:

  • Protein A, Staphylococcal
  • Protein A

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