Human IgG4 Fc Protein (IGG-HM004)
Catalog: IGG-HM004
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| Product Description | Recombinant Human IgG4 Fc Protein is expressed from Expi293 without tag.It contains Glu99-Gly326. |
| Product Category | Recombinant Protein |
| Target | IgG4 Fc |
| Synonyms | IGHG4 |
| Gene/Protein ID | P01861 |
| 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 μM as determined in SPR assay (Biacore T200). See testing image for detail. |
| Product Tag | No Tag |
| Express System | Expi293 |
| Purity | > 95% as determined by Tris-Bis PAGE;> 95% as determined by HPLC |
| Endotoxin | Less than 1EU per μg by the LAL method. |
| Form | Lyophilized |
| Shipping | Shipped at ambient temperature. |
| Formulation | Lyophilized from 0.22μm 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 μg/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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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 μM as determined in SPR assay (Biacore T200). |
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The purity of Human IgG4 Fc is greater than 95% as determined by SEC-HPLC. |
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Human IgG4 Fc on Tris-Bis PAGE under reduced condition. The purity is greater than 95%. |
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