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Recombinant Human HVEM/TNFRSF14 Protein (Fc Tag)

Price: ¥1424 ¥688

Size:
50μg 10μg
  • 表达系统: HEK293 Cells
  • 蛋白编码: Q92956
别称
Tumor Necrosis Factor Receptor Superfamily Member 14;Herpes Virus Entry Mediator A;Herpesvirus Entry Mediator A;HveA;Tumor Necrosis Factor Receptor-Like 2;TR2;CD270
表达系统
HEK293 Cells
序列
Leu39-Val202
蛋白编码
Q92956
种属
Human
计算分子量
44.5 kDa
表观分子量
50-60 kDa
标签
C-Fc
纯度
> 95 % as determined by reducing SDS-PAGE.
内毒素
< 1.0 EU per μg of the protein as determined by the LAL method.
保存条件
Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80℃. Reconstituted protein solution can be stored at 4-8℃ for 2-7 days. Aliquots of reconstituted samples are stable at < -20℃ for 3 months.
运输条件
This product is provided as lyophilized powder which is shipped with ice packs.
制剂
Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Normally 5% - 8% trehalose, mannitol and 0.01% Tween 80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
复溶方法
Please refer to the printed manual for detailed information.
背景
Herpesvirus entry mediator (HVEM) is a type I membrane protein in the TNF receptor superfamily; and it can both promote and inhibit T cell activity. HVEM is highly expressed on na?ve CD4+ T cells; CD8+ T memory cells; regulatory T cells; dendritic cells; monocytes; and neutrophils. It functions as a receptor for BTLA; CD160; LIGHT/TNFSF14; and Lymphotoxin-alpha. Ligation of HVEM by LIGHT triggers T cell; monocyte; and neutrophil activation and contributes to Th1 inflammation and cardiac allograft rejection. In contrast; HVEM binding to CD160 or BTLA suppresses T cell and dendritic cell activation and dampens intestinal inflammation. HVEM enhances the development of CD8+ T cell memory and Treg function. It is additionally expressed on intestinal epithelial cells; where its binding by intraepithelial lymphocyte (IEL) expressed CD160 promotes epitheilal integrity and host defense. The herpesvirus envelope glycoprotein gD; which binds HVEM to initiate membrane fusion; can antagonize both BTLA and LIGHT binding.

Q1:蛋白Buffer里是否含有denaturants(变性剂)?

我们在售重组蛋白一般不含变性剂,具体见说明书的formulation信息。常见变性剂有:尿素和盐酸胍。

Q2:重组蛋白有活性吗?可以做活性检测吗?

活性说明的见说明书bio-activity部分;如果说明书显示没有生物活性或则显示生物活性检测中,则说明这个蛋白没有生物活性数据,需要客户自己检测。

Q3:蛋白的运输条件是什么?

我们的蛋白有液体和冻干粉2种形式,一般来说冻干粉可以用冰袋、蓝冰、干冰运输;液体可以用蓝冰或干冰运输。

Q4:蛋白是通过什么方式纯化的?

一般通过纯化标签进行亲和纯化,常规有镍柱/His Tag、protein AG/Fc tag、标签抗体凝胶等。

Q5:无标签蛋白纯化方式?

蛋白的纯化方式一般通过标签进行亲和纯化,无标签的蛋白是在纯化后进行了标签切除。

Q6:蛋白发货形式可以是冻干粉吗?可以发液体吗?

默认按照说明书标注的形式发货;如果有特殊需求,需要根据蛋白情况确定。原则上,冻干粉蛋白可以发液体形式,液体蛋白不能发冻干粉形式。

Q7:蛋白可以用于细胞培养/注射小鼠吗?

内毒素含量小于0.1 ng/μg (1 EU/μg)的蛋白都可以用于细胞培养/注射小鼠。



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