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Biotinylated Human OX40 / TNFRSF4 / CD134 Protein, Avitag™,His Tag (MALS verified) (recommended for biopanning)

分子别名(Synonym)

TNFRSF4,OX40,CD134,OX40L receptor,ACT35,TXGP1L

表达区间及表达系统(Source)

Biotinylated Human OX40, Avitag,His Tag (TN4-H82E4) is expressed from human 293 cells (HEK293). It contains AA Leu 29 - Ala 216 (Accession # NP_003318.1).

Predicted N-terminus: Leu 29

蛋白结构(Molecular Characterization)

Online(Leu 29 - Ala 216) NP_003318.1

This protein carries an Avi tag (Avitag™) at the C-terminus, followed by a polyhistidine tag.

The protein has a calculated MW of 22.8 kDa. The protein migrates as 35-45 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

标记(Biotinylation)

Biotinylation of this product is performed using Avitag™ technology. Briefly, the single lysine residue in the Avitag is enzymatically labeled with biotin.

蛋白标记度(Biotin:Protein Ratio)

The biotin to protein ratio is 0.5-1 as determined by the HABA assay.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>95% as determined by SDS-PAGE.

>90% as determined by SEC-MALS.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 . Normally trehalose is added as protectant before lyophilization.

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)

Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) SDS-PAGE gel

Biotinylated Human OX40, Avitag,His Tag on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS

Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) MALS images

The purity of Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) was more than 90% and the molecular weight of this protein is around 35-50 kDa verified by SEC-MALS.

Report

 

活性(Bioactivity)-ELISA

Biotinylated Human ELISA

Immobilized Anti-OX40 MAb, Human IgG1 at 2 μg/mL (100 μL/well) can bind Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) with a linear range of 1-5 ng/mL (QC tested).

Protocol

Biotinylated Human  ELISA

Immobilized Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) at 1 μg/mL (100 μL/well) on Streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate, can bind Human OX40 Ligand, Fc Tag (Cat. No. OXL-H526x) with a linear range of 0.2-10 ng/mL (Routinely tested).

Protocol

Biotinylated Human ELISA

Immobilized Human CTLA-4, His Tag, active dimer (Cat. No.CT4-H52H9) at 2 μg/mL, add increasing concentrations of CTLA-4 x OX40 Bispecific Antibody in 50% Human serum and then add Biotinylated Human OX40, Avitag,His Tag(Cat. No. TN4-H82E4) at 1 μg/mL. Detection was performed using HRP-conjugated streptavidin with sensitivity of 4 ng/mL (Intact assay, Routinely tested).

Protocol

活性(Bioactivity)-BLI

Biotinylated Human BLI

Loaded Biotinylated Human OX40, Avitag,His Tag (Cat. No. TN4-H82E4) on SA Biosensor, can bind Anti-OX40 MAb (Human IgG1) with an affinity constant of 0.115 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

Protocol

Biotinylated Human BLI

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

Protocol

 

文献引用(Citations)

背景(Background)

Tumor necrosis factor receptor superfamily member 4 (TNFRSF4) is also known as ACT35 antigen, OX40L receptor, TAX transcriptionally-activated glycoprotein 1 receptor, CD antigen CD134, OX40. OX40 / TNFRSF4 contains four TNFR-Cys repeats. TNFRSF4 is receptor for TNFSF4 / OX40L / GP34 and can interacts with TRAF2, TRAF3 and TRAF5.

 

前沿进展

 
货号/价格

TN4-H82E4-25ug / ¥3500

TN4-H82E4-200ug / ¥13800

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OX40靶点信息
英文全称:Tumor necrosis factor receptor superfamily member 4
中文全称:肿瘤坏死因子受体超家族成员4
种类:Homo sapiens
上市药物数量:0详情
临床药物数量:19详情
最高研发阶段:临床二期
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