The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.
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Preparation and Storage
Stability and Storage
Shipped at 4°C. Store at -20°C.
Constituents: 0.32% Tris HCl, 0.58% Sodium chloride
Reconstitute with water to desired concentration.
20 kDa homologous restriction factor
CD59 antigen complement regulatory protein
CD59 antigen p18 20
CD59 antigen p18-20 (antigen identified by monoclonal antibodies 16.3A5, EJ16, EJ30, EL32 and G344)
CD59 molecule complement regulatory protein
Complement regulatory protein
Human leukocyte antigen MIC11
Ly 6 like protein
Lymphocytic antigen CD59/MEM43
MAC inhibitory protein
Membrane attack complex (MAC) inhibition factor
Membrane attack complex inhibition factor
Membrane inhibitor of reactive lysis
Surface antigen recognized by monoclonal antibody 16.3A5
T cell activating protein
Potent inhibitor of the complement membrane attack complex (MAC) action. Acts by binding to the C8 and/or C9 complements of the assembling MAC, thereby preventing incorporation of the multiple copies of C9 required for complete formation of the osmolytic pore. This inhibitor appears to be species-specific. Involved in signal transduction for T-cell activation complexed to a protein tyrosine kinase. The soluble form from urine retains its specific complement binding activity, but exhibits greatly reduced ability to inhibit MAC assembly on cell membranes.
Involvement in disease
Defects in CD59 are the cause of CD59 deficiency (CD59D) [MIM:612300].
Contains 1 UPAR/Ly6 domain.
N- and O-glycosylated. The N-glycosylation mainly consists of a family of biantennary complex-type structures with and without lactosamine extensions and outer arm fucose residues. Also significant amounts of triantennary complexes (22%). Variable sialylation also present in the Asn-43 oligosaccharide. The predominant O-glycans are mono-sialylated forms of the disaccharide, Gal-beta-1,3GalNAc, and their sites of attachment are probably on Thr-76 and Thr-77. The GPI-anchor of soluble urinary CD59 has no inositol-associated phospholipid, but is composed of seven different GPI-anchor variants of one or more monosaccharide units. Major variants contain sialic acid, mannose and glucosamine Sialic acid linked to an N-acetylhexosamine-galactose arm is present in two variants. Glycated. Glycation is found in diabetic subjects, but only at minimal levels in nondiabetic subjects. Glycated CD59 lacks MAC-inhibitory function and confers to vascular complications of diabetes.
Cell membrane. Secreted. Soluble form found in a number of tissues.