Clone REAL508 is an antibody fragment derived from the full CD87 antibody molecule. It displays no binding to Fc receptors. The recombinantly engineered antibody fragments are multimerized to form the REAlease Complex to bind markers with high avidity.

Clone REAL508 recognizes the human CD87 antigen, a 36–38 kDa GPI-anchored cell-surface receptor. CD87, also known as uPAR, binds uPA and thus facilitating the catalytic C domain of the uPA to come in close proximity of membrane bound plasminogen. uPA is a serine protease, which converts plasminogen into plasmin which in-turn is involved in digestion of various extracellular matrix proteins. CD87 belongs to the Ly6/neurotoxin receptor family and consists of three disulfide-bonded homologous domains, D1, D2, and D3. Function of uPAR is modulated by two inhibitors, PA1 and PA2. The expression of membrane-bound CD87 is found on granulocytes, monocytes/macrophages, dendritic cells, fibroblasts, endothelial cells, and keratinocytes. Multiple known regulatory functions of CD87 include cell migration, leukocyte adhesion, chemotaxis, signal transduction, and tissue remodeling.

The REAlease Kits consist of the respective fluorochrome-conjugated REAlease Complexes and the REAlease Support Kit for removal of the REAlease Complexes and optional relabeling with different fluorochrome-conjugated REAlease Complexes.

Alternative names

PLAUR, U-PAR, URKR, uPAR, MO3

Technical specifications

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