HLA DQ/DR/DP / PE / REAL280

Product Details

Description	Clone REAL280 is an antibody fragment derived from the full HLA-DR, DP, DQ antibody molecule. It displays no binding to Fc receptors. The recombinantly engineered antibody fragments are multimerized to form the REAdye_lease Complex to bind markers with high avidity. \| Clone REAL280 recognizes all major histocompatibility Class (MHC) class II HLA-DR, DP and most DQ antigens. It is expressed on several nucleated cells, e.g. B cells, interdigitating reticulum cells, Langerhans cells, activated T cells, and macrophages. 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 helper T 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. \| For removal of REAdye_lease fluorochromes for optional relabeling with different fluorochrome-conjugated REAdye_lease antibodies use the REAlease Support Kit (130-120-675).
Conjugate	PE
Clone	REAL280
Target Species	Human
Applications	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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