Human ICOS ligand Protein, His Tag
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Product Number
KMP2898
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Alias
诱导性 T 细胞辅助刺激配体, Human ICOS ligand Protein, His Tag, ICOS ligand
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Specifications
- 50ug
- 100ug
- 200ug
Product Description
| Alias | 诱导性 T 细胞辅助刺激配体, Human ICOS ligand Protein, His Tag, ICOS ligand |
| Catalog Number | KMP2898 |
| Product Description | The Human ICOS ligand Protein(KMP2898) is produced in HEK293 Cells. The target gene encoding the human ICOSLG (NP_056074.1) (Met1-Ser258) is expressed with a C-terminal polyhistidine tag. The purified protein is biotinylated in vitro. |
| Molecular Name | ICOS ligand |
| Species | Human |
| Host | HEK293 Cells |
| Size | 50ug, 100ug, 200ug |
| Purity | >95% as determined by SDS-PAGE |
| Purification | Affinity purification |
| Endotoxin | <1.0 EU/ug determined by the LAL method |
| Formulation | PBS, pH7.4 |
| Background | Inducible co-stimulator ligand (ICOSL), also known as B7-H2, is a member of the B7 family of co-stimulatory molecules related to B7-1 and B7-2. It is a transmembrane glycoprotein with extracellular IgV and IgC domains and binds to ICOS on activated T cells, thus delivers a positive costimulatory signal for optimal T cell function. The structural features of ICOSL are crucial for its costimulatory function. The present study shows that ICOSL displays a marked oligomerization potential, resembling more like B7-1 than B7-2. B7-H2-dependent signaling may play an active role in a proliferative response rather than in cytokine and chemokine production. The CD28/B7 and ICOS/B7-H2 pathways are both critical for costimulating T cell immune responses. Deficiency in either pathway results in defective T cell activation, cytokine production, and germinal center formation. |
| Storage Condition | Aliquot and store at -20℃ to -80℃. Avoid repeated freezing and thawing cycles. |
| Shipping Condition | In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature. If supplied as liquid, the proteins will be shipped with dry ice. |
| Molecular Weight | 28.1 kDa |
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