SRP6434

PD-L1/CD274/B7-H1 human

recombinant, expressed in HEK 293 cells, ≥95% (SDS-PAGE)

• Synonim(y): PDCD1L1, PDCD1LG1
• NACRES: NA.32
• UNSPSC Code: 12352200
• Form: lyophilized
• Assay: ≥95% (SDS-PAGE)
• Biological source: human
• Recombinant: expressed in HEK 293 cells
• Mol wt: calculated mol wt 26 kDa, observed mol wt 35-42 kDa (DTT-reduced. Protein migrates due to glycosylation. Phe 19 is the predicted N-terminal.)

Właściwości

• biological source: human
• recombinant: expressed in HEK 293 cells
• tag: 6-His tagged (C-terminus)
• assay: ≥95% (SDS-PAGE)
• form: lyophilized
• mol wt: calculated mol wt 26 kDa, observed mol wt 35-42 kDa (DTT-reduced. Protein migrates due to glycosylation. Phe 19 is the predicted N-terminal.)
• packaging: pkg of 10 and 50 μg
• UniProt accession no.: Q9NZQ7
• shipped in: wet ice
• storage temp.: −20°C
• Gene Information: human ... CD274(29126)

Opis

General description

Programmed cell death 1 ligand 1 (PD-L1), which is also known as cluster of differentiation (CD274) or B7 homolog 1 (B7-H1), is a member of the growing B7 family of immune molecules. PD-L1 is a cell surface immunoglobulin with two Ig-like domains within the extracellular region and a short cytoplasmic domain. The protein is highly expressed in the heart, skeletal muscle, placenta and lung and weakly expressed in the thymus, spleen, kidney and liver. PD-L1 is expressed on activated T-cells, B-cells, dendritic cells, keratinocytes and monocytes. The gene encoding it is localized on chromosome 9p24.1.

Biochem/physiol Actions

Programmed cell death 1 ligand 1 (PD-L1) is involved in the regulation of cellular and humoral immune responses. PD-L1 is up-regulated on T- and B-cells, dendritic cells, keratinocytes and monocytes after lipopolysaccharide (LPS) and interferon-γ (IFNG) activation and up-regulated in B-cells activated by surface Ig cross-linking. PD-L1 is involved in the co-stimulatory signal, essential for T-cell proliferation and production of interleukin-10 (IL10) and IFNG, in an interleukin-2-dependent and a programmed cell death 1 (PDCD1)-independent manner.

Physical form

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally Mannitol or Trehalose is added as protectants before lyophilization.

Preparation Note

Centrifuge the vial prior to opening. Reconstitute in sterile PBS, pH 7.4 to a concentration of 50 μg/mL. Do not vortex. This solution can be stored at 2-8°C for up to 1 month. For extended storage, it is recommended to store at -20°C.

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Informacja o środkach bezpieczeństwa

• Klasa składowania: 11 - Combustible Solids
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable