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Product Details
Synonym
Apolipoprotein E, APOE, Apo-E
Source
Human APOE3, His Tag (APE-H5246) is expressed from human 293 cells (HEK293). It contains AA Lys 19 - His 317 (Accession # P02649-1).
Predicted N-terminus: Lys 19
Request for sequenceMolecular Characterization
Other Tags and Version Biotin & Other Labeled Version
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 36.1 kDa. The protein migrates as 35-40 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.
Endotoxin
Less than 0.01 EU per μg by the LAL method / rFC method.
Sterility
Negative
Purity
>90% as determined by SDS-PAGE.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
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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.
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:
- -20°C to -70°C for 12 months in lyophilized state;
- -70°C for 3 months under sterile conditions after reconstitution.
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Performance Data
SDS-PAGE
Human APOE3, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 90% (With Star Ribbon Pre-stained Protein Marker).
Bioactivity-BLI
Loaded Biotinylated Human TREM2, His,Avitag (Cat. No. TR2-H82E7) on SA Biosensor, can bind Human APOE3, His Tag (Cat. No. APE-H5246) with an affinity constant of 37.1 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
Loaded Human TREM2, Fc Tag (Cat. No. TR2-H5254) on Protein A Biosensor, can bind Human APOE3, His Tag (Cat. No. APE-H5246) with an affinity constant of 66.1 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
Loaded Human TREM2, Mouse IgG2a Fc Tag (Cat. No. TR2-H5256) on Protein A Biosensor, can bind Human APOE3, His Tag (Cat. No. APE-H5246) with an affinity constant of 9.53 nM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).
Protocol
Bioactivity-FACS
3e5 of HeLa cells were co-incubated with 50 nM Cy3-labeled LNPs-siRNA in the presence or absence of 1 μg/mL Human APOE3, His Tag (Cat. No. APE-H5246), washed and analyzed with FACS. PE signal was used to evaluate the expression of Cy3+ HeLa cells (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
Apolipoprotein E
- Category：
- Approved Drugs：
0 Details
- Drugs in Clinical Trials：
3 Details
- Highest Development Stage：
Phase 2 Clinical
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