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Product Details
Synonyms
IgE
Source
Human IgE Fc, His Tag (IGE-H52H9) is expressed from human 293 cells (HEK293). It contains AA Ser 106 - Gly 427 (Accession # P01854-1).
Predicted N-terminus: Ser 106
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 37.6 kDa. The protein migrates as 45-50 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.
The protein is designed as a dimer.
Endotoxin
Less than 1.0 EU per μg by the LAL method / rFC method.
Purity
>95% as determined by SDS-PAGE.
>90% as determined by SEC-MALS.
Formulation
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Contact us for customized product form or formulation.
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.
ACRO Quality Management System
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Performance Data
SDS-PAGE
Human IgE Fc, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.
SEC-MALS
The purity of Human IgE Fc, His Tag (Cat. No. IGE-H52H9) is more than 90% and the molecular weight of this protein is around 75-95 kDa verified by SEC-MALS.
Report
Bioactivity-ELISA
Immobilized Human Fc epsilon RI alpha, Fc Tag (Cat. No. FCA-H5259) at 5 μg/mL (100 μL/well) can bind Human IgE Fc, His Tag (Cat. No. IGE-H52H9) with a linear range of 0.6-10 ng/mL (QC tested).
Protocol
Bioactivity-SPR
Human Fc epsilon RI alpha, Fc Tag (Cat. No. FCA-H5259) immobilized on CM5 Chip can bind Human IgE Fc, His Tag (Cat. No. IGE-H52H9) with an affinity constant of 0.585 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
Cynomolgus Fc epsilon RI alpha, His Tag (Cat. No. FCA-C52H9) immobilized on CM5 Chip can bind Human IgE Fc, His Tag (Cat. No. IGE-H52H9) with an affinity constant of 0.226 nM as determined in a SPR assay (Biacore 8K) (Routinely tested).
Protocol
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Background
Recent Advances
Drug Development Progress- English Name：
Immunoglobulin E
- Category：
- Approved Drugs：
5 Details
- Drugs in Clinical Trials：
23 Details
- Highest Development Stage：
Approved
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