Analytical Data
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基因名
OX40 Ligand/TNFSF4
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简介
OX40 Ligand (TNFSF4) is a type II glycoprotein with a cytoplasmic tail of 23 aa and an extracellular domain of 133 aa[1]. OX40 Ligand is a ligand for TNFRSF4 (CD134), belongs to tumor necrosis factor (TNF) family. OX40 Ligand can activate OX40 and thereby functioning as a T cell co-stimulatory molecule. The OX40-OX40 Ligand interaction promotes effector T-cell survival and effectively induces memory T-cell generation, as well as enhances the helper function of Tfh for B cells, and also promotes the differentiation and maturation of DCs[1][2]. OX40 Ligand/TNFSF4 Protein, Rat (HEK293, Fc) is a recombinant rat OX40 Ligand (V20-P210) with C-terminal hFc tag, which is produced in HEK293.
- Application
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别名
CD134L; CD252; Glycoprotein Gp34; OX40 antigen ligand; OX40L; TXGP1
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种属
Rat
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表达系统
HEK293
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标签
C-hFc
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纯度
Greater than 90% as determined by SDS-PAGE.
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蛋白编号
P15725
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表达区间
V20-P210
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氨基酸序列
VTVKLNCVKDTYPSGHKCCRECQPGHGMVSRCDHTRDTVCHPCEPGFYNEAVNYDTCKQCTQCNHRSGSELKQNCTPTEDTVCQCRPGTQPRQDSSHKLGVDCVPCPPGHFSPGSNQACKPWTNCTLSGKQIRHPASNSLDTVCEDRSLLATLLWETQRTTFRPTTVPSTTVWPRTSQLPSTPTLVAPEGP
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蛋白长度
Extracellular Domain
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分子量
65-75 kDa
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内毒素
< 1.0 EU per μg protein as determined by the LAL method.
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性状
Freeze-dried powder
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缓冲液
PBS, pH7.4, containing 0.01% SKL, 1mM DTT, 5% Trehalose and Proclin300.
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复溶方法
Reconstitute in ddH2O to a concentration of 0.1-0.5 mg/mL. Do not vortex.
- 个性化定制
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稳定性测试
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37℃ for 48h, and no obvious degradation and precipitation were observed. The loss rate isless than 8% within the expiration date under appropriate storage condition.
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保存条件 & 期限
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃. Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
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运输条件
In general, recombinant proteins are supplied as lyophilized powder and shipped at ambient temperature. For bulk packages, the proteins are provided as frozen liquid and shipped with blue ice, unless otherwise requested by the customer.
Quality inspection process
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Protein Description
OX40 Ligand (OX40L), also known as TNFSF4, is a member of the tumor necrosis factor superfamily and plays a crucial role in regulating immune responses, particularly in T cell activation and survival. OX40L is primarily expressed on antigen-presenting cells and interacts with its receptor OX40 on T cells, leading to enhanced T cell proliferation, survival, and memory formation. The OX40/OX40L pathway has garnered significant interest in cancer immunotherapy, as it can bolster anti-tumor T cell responses. Furthermore, dysregulation of this pathway has been linked to various autoimmune diseases and inflammatory conditions. Research on recombinant OX40L protein involves its production, characterization, and assessment of its effects on T cell function in both in vitro and in vivo models. Understanding the structure-function relationship of OX40L and its interaction with OX40 provides insight into potential therapeutic applications, including the development of OX40 agonists for enhancing T cell responses against tumors or the design of antagonists to mitigate excessive immune activation in autoimmune diseases. Overall, the study of recombinant OX40 Ligand/TNFSF4 is vital for unveiling new strategies in immunotherapy and advancing the field of immune modulation.
