Positive Control:Human tonsil or lymph node. Cellular Location: Cell surface. Paranuclear globular. HLA-DR, like other MHC class II molecules, is a transmembrane glycoprotein composed of a 36 kDa alpha chain (DRA) and 27 kDa beta chain (DRB). The alpha c
Positive Control:Human tonsil or lymph node. Cellular Location: Cell surface. Paranuclear globular. HLA-DR, like other MHC class II molecules, is a transmembrane glycoprotein composed of a 36 kDa alpha chain (DRA) and 27 kDa beta chain (DRB). The alpha c
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