- Express System: HEK293
- Product Tag: C-His
- Purity: > 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC
- Activity: The affinity constant of 27.11 nM as determined in SPR assay (Biacore T200). See testing image for detail.
- Amino Acid Range: Lys19-His317(R176C)
Product Description |
Recombinant Human APOE2/Apolipoprotein E Protein is expressed from HEK293 with His tag at the C-terminus.It contains Lys19-His317(R176C). |
Product Background |
Apolipoprotein E (apoE) is a lipid carrier in both the peripheral and the central nervous systems. Lipid-loaded apoE lipoprotein particles bind to several cell surface receptors to support membrane homeostasis and injury repair in the brain. Considering prevalence and relative risk magnitude, the ε4 allele of the APOE gene is the strongest genetic risk factor for late-onset Alzheimer's disease (AD). |
Product Category |
Recombinant Protein |
Target |
APOE2/Apolipoprotein E |
Accession |
|
Species |
Human |
Biotinylated |
no |
Amino Acid Range |
Lys19-His317(R176C) |
Molecular Weight |
The protein has a predicted MW of 35.28 kDa. Due to glycosylation, the protein migrates to 35-42 kDa based on Bis-Tris PAGE result. |
Activity |
The affinity constant of 27.11 nM as determined in SPR assay (Biacore T200). See testing image for detail. |
Product Tag |
C-His |
Express System |
HEK293 |
Purity |
> 95% as determined by Bis-Tris PAGE;> 95% as determined by HPLC |
Endotoxin |
Less than 1EU per ug by the LAL method. |
Form |
Lyophilized |
Shipping |
Shipped at ambient temperature. |
Formulation |
Lyophilized from 0.22 um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization. |
Reconstitution |
Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water. |
Stability And Storage |
Reconstituted protein stable at -80°C for 12 months, 4°C for 1 week. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. |
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