Mouse anti-Human CD55 / Decay Accelerating Factor (DAF) Monoclonal Antibody | anti-CD55 antibody

CD55 / Decay Accelerating Factor (DAF) Mouse Monoclonal Antibody

Cat. Num. AAA439460

• Gene Names: CD55; CR; TC; DAF; CROM
• Reactivity: Human
• Applications: Flow Cytometry, Functional Assay, Immunofluorescence
• Synonyms: CD55 / Decay Accelerating Factor (DAF); Monoclonal Antibody; CD55 / Decay Accelerating Factor (DAF) Mouse Monoclonal Antibody; CD55; CD55 Cromer blood group system; Complement decay-accelerating factor; CROM; DAF; Daf-GPI; Decay Accelerating Factor for Complement; Decay accelerating factor GPI-form; Decay accelerating factor soluble-form; GPI-DAF; anti-CD55 antibody

• Host: Mouse
• Reactivity: Human
• Clonality: Monoclonal
• Isotype: IgG1, kappa
• Clone Number: F4-29D9
• Specificity: Recognizes a single chain glycoprotein of 70kDa, identified as CD55 (also known as decay accelerating factor, DAF). This MAb was clustered in Kobe at the Sixth International Workshop on Human Leukocyte Differentiation Antigens as F429D-9 (N-L120). CD55/DAF is widely expressed on cells throughout the body including leukocytes, erythrocytes, epithelium, endothelium, and fibroblasts. It is a Glycosyl phosphatidylinositol anchored (GPI-anchored) member of the membrane bound complement regulatory proteins that inhibit autologous complement cascade activation. It prevents the amplification steps of the complement cascade by interfering with the assembly of the C3-convertases, C4b2a and C3bBb, and the C5-convertase, C4b2a3b and C3bBb3b. CD55 also serves as receptor for CD97 and for echovirus and Coxsackie B virus. Anti-CD55 can be used as marker for paroxysmal nocturnal hemoglobinuria (PNH).
• Form/Format: 200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.
• Sequence Length: 381

• Applicable Applications for anti-CD55 antibody: Flow Cytometry (FC/FACS), Immunofluorescence (IF)
• Application Notes: Flow Cytometry (0.5-1ug/million cells in 0.1ml); Immunofluorescence (0.5-1ug/ml)
• Cellular Localization: Cell Surface
• Immunogen: Human umbilical vein endothelial cells (HUVEC)
• Hu-Chromosome Location: 1q32
• Positive Control: Jurkat, HUT-78, K562, YT, U937, MG63, and human lymphocytes. Human lymph nodes and tonsils.
• Preparation and Storage: Antibody with azide - store at 2 to 8 degree C. Antibody without azide - store at -20 to -80 degree C. Antibody is stable for 24 months. Non-hazardous. No MSDS required.

References

Schlossman S et al. (eds) Leukocyte Typing V. Oxford University Press, Oxford, 1995. Kishimoto T. et al., eds. Leukocyte Typing VI, Garland Publishing, Inc, New York and London, 1997.B.E. Loveland - in Leucocyte Typing VI - Part 6 - Known Non-Lineage CD Antigens - NL11 - CD55 Workshop Panel Report pp519-520, 199

NCBI and Uniprot Product Information

• NCBI GI #: 10835143
• NCBI GeneID: 1604
• NCBI Accession #: NP_000565.1
• NCBI GenBank Nucleotide #: NM_000574.4
• UniProt Accession #: P08174; P09679; P78361; Q14UF2; Q14UF3; Q14UF4; Q14UF5; Q14UF6; B1AP14; D3DT83; D3DT84; E7ER69
• Molecular Weight: 70kDa
• NCBI Official Full Name: complement decay-accelerating factor isoform 1 preproprotein
• NCBI Official Synonym Full Names: CD55 molecule (Cromer blood group)
• NCBI Official Symbol: CD55
• NCBI Official Synonym Symbols: CR; TC; DAF; CROM
• NCBI Protein Information: complement decay-accelerating factor
• UniProt Protein Name: Complement decay-accelerating factor
• Protein Family: Complement decay-accelerating factor
• UniProt Gene Name: CD55
• UniProt Synonym Gene Names: CR; DAF
• UniProt Entry Name: DAF_HUMAN

NCBI Description

This gene encodes a glycoprotein involved in the regulation of the complement cascade. Binding of the encoded protein to complement proteins accelerates their decay, thereby disrupting the cascade and preventing damage to host cells. Antigens present on this protein constitute the Cromer blood group system (CROM). Alternative splicing results in multiple transcript variants. The predominant transcript variant encodes a membrane-bound protein, but alternatively spliced transcripts may produce soluble proteins. [provided by RefSeq, Jul 2014]

Uniprot Description

This protein recognizes C4b and C3b fragments that condense with cell-surface hydroxyl or amino groups when nascent C4b and C3b are locally generated during C4 and c3 activation. Interaction of daf with cell-associated C4b and C3b polypeptides interferes with their ability to catalyze the conversion of C2 and factor B to enzymatically active C2a and Bb and thereby prevents the formation of C4b2a and C3bBb, the amplification convertases of the complement cascade.