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Recombinant Human Apolipoprotein E/ApoE protein (His Tag)

Recombinant Human Apolipoprotein E/ApoE protein (His Tag)
  • Recombinant Human Apolipoprotein E/ApoE protein (His Tag)
  • Recombinant Human Apolipoprotein E/ApoE protein (His Tag)

Price: ¥3600.00 ¥1200.00

Size:
100 μg 20 μg
  • 表达系统: HEK293 Cells
  • 蛋白编码: P02649
别称
APOE;Apo-E;Apolipoprotein E
表达系统
HEK293 Cells
序列
Met1-His317
蛋白编码
P02649
种属
Human
计算分子量
34.8 kDa
表观分子量
36 kDa
标签
C-His
生物活性
Not validated for activity
纯度
> 90% as determined by reducing SDS-PAGE.
内毒素
< 1.0 EU/mg 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 in PBS with 5% Trehalose and 5% Mannitol.
复溶方法
It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis.
背景
ApoE, a glycoprotein, is a structural component of very low density lipoprotein (vLDL) synthesized by the liver and intestinally synthesized chylomicrons . ApoE is also a constituent of a subclass of high density of lipoproteins (HDL) involved in cholesterol transport .ApoE mediates high affinity binding of chylomicrons and vLDL particles to the LDL receptor, allowing for specific uptake of these particles by the liver, preventing the accumulation of cholesterol rich particles in the plasma .Apolipoprotein E combines with fats (lipids) in the body to form molecules called lipoproteins and Apolipoprotein E is a major component of a specific type of lipoprotein called very low-density lipoproteins (VLDLs).
SDS-PAGE analysis of Human Apolipoprotein E/ApoE proteins, 2μg/lane of Recombinant Human Apolipoprotein E/ApoE proteins was resolved with SDS-PAGE under reducing conditions, showing bands at 36 KD.

Q1: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。

Q2:重组蛋白是否测序验证过?

在售重组蛋白默认不做测序分析/验证。

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: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。

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。

Q8: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。

Q9:AF蛋白可以提供吗?

在售的重组蛋白都属于Animal component free protein。在售重组蛋白里不含任何直接来源与动物和人的制品:比如血清,血浆,全血,BSA,OVA等。



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