Anti-CD59 / Complement Regulatory Protein / Protectin Antibody (Clone MACIF/629)

Monoclonal Antibody to detect CD59 in human samples
Catalog #: A1554 | abID:

Product Details

Cat # +Size A1554-100
Size 100 µg
Antibody Target CD59
Alternate Name 20kDa homologous restriction factor (HRF20); Complement regulatory protein; Human leukocyte antigen MIC11; MAC-inhibitory protein (MACIP); Membrane attack complex inhibition factor (MACIF); Membrane inhibitor of reactive lysis; MIRL; MSK21; Protectin; T cell activating protein, 1F5 antigen, HRF-20, HRF20, MAC-IP, MEM43 antigen, CD59
Host Mouse
Antibody Type Monoclonal
Isotype Mouse / IgG1, kappa
Immunogen Recombinant full-length human CD59 protein
Accession # P13987
Gene ID 966
Appearance Colorless liquid
Formulation In 10 mM PBS with 0.05% BSA & 0.05% azide
Purification Protein A/G purification
Species Reactivity Human
Application FC, IF, IHC
Positive Control IHC: human Tongue, human Tonsil
Application & Usage FC: 0.5-1 µg/1X106 cells in 0.1 ml, IF: 0.5-1 µg/ml, IHC: 1-2 µg/ml for 30 minutes at RT
Handling The antibody solution should be gently mixed before use
Storage Conditions -20 °C
Shipping Conditions Gel Pack
USAGE For Research Use Only! Not For Use in Humans.


Reacts with human CD59, a 20 kDa glycosyl phosphatidyl-inositol (GPI)-anchored cell surface protein. CD59 regulates complement-mediated cell lysis, and it is involved in lymphocyte signal transduction. This protein is a potent inhibitor of the complement membrane attack complex, whereby it binds complement C8 and/or C9 during the assembly of this complex, thereby inhibiting the incorporation of multiple copies of C9 into the complex, which is necessary for osmolytic pore formation. It inhibits formation of MAC, thus protecting cells from complement-mediated lysis. Genetic defects in GPI-anchor attachment, that cause a reduction or loss of CD59 and CD55 on erythrocytes produce the symptoms of the disease paroxysmal hemoglobinuria (PNH). This mAb is useful for study on GPI-anchored proteins, PNH and CD59 functions. CD59 is widely distributed on cells in all tissues. The expression of CD59 on erythrocytes is important for their survival.

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