
- Overview
- Specifications
- Shipping, Reconstitution & Storage
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Overview
General Description
Recombinant Human IgG4 Fc Protein is expressed from HEK293 without tag.It contains Glu99-Gly326.
Biotinylated
Specifications
Target
IgG4 Fc
Synonyms
IGHG4
Accession
Species
Human
Exact Sequence
Glu99-Gly326
Molecular Weight
The protein has a predicted MW of 25.8 kDa. Due to glycosylation, the protein migrates to 30-35 kDa based on Tris-Bis PAGE result.
Activity
The affinity constant of 1.365 uM as determined in SPR assay (Biacore T200). See testing image for detail.
Product Tag
No Tag
Express System
HEK293
Purity
> 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC
Endotoxin
Less than 1EU per ug by the LAL method.
Shipping, Reconstitution & Storage
Appearance
Lyophilized
Shipping Conditions
Shipped at ambient temperature.
Formulation
Lyophilized from 0.22um filtered solution in PBS (pH 7.4). Normally 5% trehalose is added as protectant before lyophilization.
Reconstitution
Centrifuge tubes before opening. Reconstituting to a concentration more than 100 ug/ml is recommended. Dissolve the lyophilized protein in distilled water.
Stability & 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.
General View of Documents



Human FcRn, His Tag captured on CM5 Chip via Anti-His Antibody can bind Human IgG4 Fc, No Tag with an affinity constant of 1.365 uM as determined in SPR assay (Biacore T200).



The purity of Human IgG4 Fc is greater than 95% as determined by SEC-HPLC.



Human IgG4 Fc on Tris-Bis PAGE under reduced condition. The purity is greater than 95%.
Declaration
This product is branded by ChemWhat and sold through our website. (ChemWhat Official Website).
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