HLA DQ/DR/DP / PE / REA332

Product Details

Description	Clone REA332 recognizes all major histocompatibility class (MHC) class II HLA-DR, DP, and most DQ antigens. Expressed on the surface of most nucleated cells, MHC class II molecules play an important role in the immune system. They are essential in the defense against infection and are a main consideration in transplantation medicine. In addition to presenting antigenic peptides from predominantly extracellular sources to CD4+ T cells, MHC class II molecules also mediate the thymic selection of T helper cells. MHC class II molecules consist of an alpha and beta chain and are transported to endosomal-lysosomal compartments by the invariant chain. In humans, MHC class II molecules are encoded by three different loci, HLA-DR, -DQ, and -DP, which display 70% similarity to each other. Despite the essential function of MHC class II molecules in immune defense against pathogens, some alleles are frequently linked to immune diseases. \| Additional information: Clone REA332 displays negligible binding to Fc receptors.
Conjugate	PE
Clone	REA332
Target Species	Human
Applications	FC, MICS (MACSima Imaging Cyclic Staining), IF, IHC
Supplier	Miltenyi Biotec
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About PE
Phycoerythrin (PE, R-PE) is a red-emitting fluorescent protein-chromophore complex that can be excited the 488-nm blue, 532-nm green, or 561-nm yellow-green laser with increasing efficiency and captured with a 586/14 nm bandpass filter. PE has an excitation peak at 565 nm and an emission peak at 578 nm. PE is 240kD in size and has an extinction coefficient of ~2x10^6 which makes it one of the brightest fluorophores available and a potent donor upon which to build tandem fluorophores with longer Stoke's Shifts.

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