Home  >  Products  >  CD178, Soluble, Recombinant, Human (Apoptosis Antigen Ligand, APT1LG1, APTL, CD95 Ligand, CD95L, CD95-L, FAS Antigen Ligand, Fas Ligand, FASL, FASLG, Tumor Necrosis Factor Ligand Superfamily Member 6, TNFSF6)

CD178, Soluble, Recombinant, Human (Apoptosis Antigen Ligand, APT1LG1, APTL, CD95 Ligand, CD95L, CD95-L, FAS Antigen Ligand, Fas Ligand, FASL, FASLG, Tumor Necrosis Factor Ligand Superfamily Member 6, TNFSF6)

Cat no: 149757


Supplier: United States Biological
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Fas Ligand (FasL) is a member of the TNF superfamily that is expressed on the cell surface of activated T cells. Binding of FasL to Fas Receptor triggers apoptosis in Fas-bearing cells. FasL has the ability to kill T cells and activated B cells which leads to down-regulation of the immune response. The mechanism of Fas induced apoptosis involves recruitment of pro-caspase 8 through an adaptor molecule called FADD followed by processing of the pro-enzyme to active forms. These active caspases then cleave various cellular substrates leading to the eventual cell death. Both human and murine sFasL are fully active on human and murine cells. Recombinant human soluble Fas Ligand is a 17.9kD protein comprising the TNF homologous region of FasL and contains an 8 residue N-terminal His-Tag. Source: Recombinant protein corresponding to human sFas Ligand, expressed in CHO cells. Biological Activity: Determined by it's ability to induce cytotoxicity in Jurkat cells in the absence of any cross-linking. The ED50 for this effect is 10ng/ml Specific Activity: 1x10e5units/mg Endotoxin: <0.1ng/ug (1EU/ug) AA Sequence: HHHHHHHHPS PPPEKKELRK VAHLTGKSNS RSMPLEWEDT YGIVLLSGVK YKKGGLVINE TGLYFVYSKV YFRGQSCNNL PLSHKVYMRN SKYPQDLVMM EGKMMSYCTT GQMWARSSYL GAVFNLTSAD HLYVNVSELS LVNFEESQTF FGLYKL Storage and Stability: May be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20 degrees C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Catalogue number: 149757
Size: 2ug
Form: Supplied as a lyophilized powder.
Purity: ~95% (SDS-PAGE and HPLC)

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