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 >  Protein>OX40 Ligand >OXL-H52Q8

Human OX40 Ligand / TNFSF4 Protein, His Tag, active trimer (MALS verified)

分子别名(Synonym)

OX40L,TNFSF4,CD252,Glycoprotein Gp34,TXGP1,CD134 ligand,CD134L

表达区间及表达系统(Source)

Human OX40 Ligand Protein, His Tag (OXL-H52Q8) is expressed from human 293 cells (HEK293). It contains AA Gln 51 - Leu 183 (Accession # NP_003317 ).

Predicted N-terminus: His

Request for sequence

蛋白结构(Molecular Characterization)

OX40 Ligand Structure

This protein carries a polyhistidine tag at the N-terminus.

The protein has a calculated MW of 16.9 kDa. The protein migrates as 25-30 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>90% as determined by SDS-PAGE.

>95% as determined by SEC-MALS.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

Contact us for customized product form or formulation.

重构方法(Reconstitution)

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

存储(Storage)

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

This product is stable after storage at:

  1. -20°C to -70°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

OX40 Ligand SDS-PAGE

Human OX40 Ligand Protein, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).

SEC-MALS

OX40 Ligand SEC-MALS

The purity of Human OX40 Ligand Protein, His Tag (Cat. No. OXL-H52Q8) is more than 95% and the molecular weight of this protein is around 60-80 kDa verified by SEC-MALS.

Report

 

活性(Bioactivity)-ELISA

OX40 Ligand ELISA

Immobilized Human OX40 Ligand Protein, His Tag (Cat. No. OXL-H52Q8) at 2 μg/mL (100 μL/well) can bind Human OX40, Fc Tag (Cat. No. OX0-H5255) with a linear range of 1-8 ng/mL (QC tested).

Protocol

OX40 Ligand ELISA

Immobilized Human OX40 Ligand Protein, His Tag (Cat. No. OXL-H52Q8) at 2 μg/mL (100 μL/well) can bind Biotinylated Human OX40, Fc,Avitag (Cat. No. OX0-H82F7) with a linear range of 10-78 ng/mL (Routinely tested).

Protocol

 

活性(Bioactivity)-BLI

OX40 Ligand BLI

Loaded Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) on SA Biosensor, can bind Human OX40 Ligand Protein, His Tag (Cat. No. OXL-H52Q8) with an affinity constant of 0.127 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Protocol

OX40 Ligand BLI

Loaded Human OX40 Ligand Protein, His Tag (Cat. No. OXL-H52Q8) on AR2G Biosensor, can bind Human OX40, His Tag (Cat. No. OX0-H5224) with an affinity constant of 0.15 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Protocol

 

背景(Background)

Tumor necrosis factor ligand superfamily member 4 (TNFSF4) is also known as glycoprotein Gp34, OX40 ligand (OX40L), TAX transcriptionally-activated glycoprotein 1 and CD252, which belongs to the tumor necrosis factor family. TNFSF4 is the ligand for CD134 and is expressed on such cells as DC2s (a subtype of dendritic cells) enabling amplification of Th2 cell differentiation. The interaction of TNFSF4-TNFSF4 is involved in the pathogenesis of multiple autoimmune and inflammatory diseases such as systemic lupus erythematosus (SLE), carotid artery disease and cancer. Furthermore, similar to other TNF superfamily members, membrane-bound OX40 Ligand (TNFSF4) exists as a homotrimer. Human TNFSF4 shares 46% amino acid sequence identity with its mouse counterpart.

文献引用(Citations)

 

前沿进展

 
 
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OX40 Ligand靶点信息
英文全称:Tumor necrosis factor ligand superfamily member 4
中文全称:OX40配体
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:6详情
最高研发阶段:临床三期
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