Human OX40 ligand, soluble
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| Cat-Nr. | S01-052 |
| Size | 10 µg |
| Price | 199 € |
| Source | Insect cells |
| Formulation | lyophilized |
| Purity Confirmation | > 97% by SDS-PAGE & HPLC analyses |
| Length [aa] | 133 |
| Molecular Weight | 15.5-25 kDa |
| Endotoxin Levels | < 0.1 ng/µg of protein (<1EU/µg) |
| Biological Activity | Determined by its ability to stimulate IL-8 production by human PBMC using a concentration range of 30-100 ng/ml. Note: Results may vary with PBMC donors. |
| Species Reactivity | Human |
| Synonyms | TNFSF4; GP34; CD252; OX4OL; TXGP1; CD134L; OX-40L; TAX transcriptionally-activated glycoprotein 1 |
| Description | OX40L, a member of the TNF superfamily of structurally related proteins, exists primarily as a type II membrane bound, non-covalently linked homotrimeric protein. It is expressed on antigen presenting cells (APCs), such as dendritic cells and activated B-cells, and also on various other cells such as vascular endothelial cells, mast cells, and natural killer cells. OX40L signals specifically through the OX40 receptor, which is expressed predominantly on CD4+T cells but also on certain activated CD8+T cells. OX40/OX40L functions as a costimulatory signal, which is required for a productive interaction between antigen presenting cells and their target T-cells. It enhances cell proliferation and survival, and increases expression of RANTES, IL-2, IL-3, and IFNγ. OX40/OX40L signaling plays an important role in immuno-regulatory communication, enabling the immune system to distinguish between “friend vs. foe” during activation; a mechanism typically termed immuno-tolerance. Recombinant OX40L is a glycosylated 133 amino acid protein corresponding to the extracellular TNF homologous domain of the full length transmembrane protein. It migrates with an apparent molecular mass of 15.5 – 25.0 kDa on SDS-PAGE. |
| Protein Sequence | QVSHRYPRIQSIKVQFTEYKKEKGFILTSQKEDEIMKVQNNSVIINCDGFYLISLKGYFSQEVNISLHYQKDEEPLFQLKKVRSVNSLMVASLTYKDKVYLNVTTDNTSLDDFHVNGGELILIHQNPGEFCVL |
| Uniprot ID | P23510 |
| Protein RefSeq | NP_003317.1 |
| mRNA RefSeq | NM_003326.3 |
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