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Recombinant human IgG1 Fc Protein, Tag free, 1mg  

Recombinant human IgG1 Fc Protein, Tag free, 1mg

Recombinant human IgG1 Fc (rhIgG1 Fc) Glu99 - Lys330, expressed in human 293 cells (HEK293), Tag free

recombinant, human protein, Fc, IgG1 Fc, IgG Fc

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660,00 €

Crystallizable fragments composed of the carboxy-terminal halves of both IMMUNOGLOBULIN HEAVY CHAINS linked to each other by disulfide bonds. Fc fragments contain the carboxy-terminal parts of the heavy chain constant regions that are responsible for the effector functions of an immunoglobulin (COMPLEMENT fixation, binding to the cell membrane via FC RECEPTORS, and placental transport). IgG1 Fc was reported has a novel role as a potential anti-inflammatory drug for treatment of human autoimmune diseases.(1)

Recombinant human IgG1 Fc (rhIgG1 Fc) Glu99 - Lys330 (Accession # AAC82527.1) was expressed in human 293 cells (HEK293).

Molecular Characterization
rhIgG1 Fc, a 232 amino acids protein, has a calculated MW of 26 kDa. DTT-reduced protein migrates as 35 kDa protein due to glycosylation.

Less than 1.0 EU per 0.5μg of the human IgG1 Fc by the LAL method.

>98% as determined by SDS-PAGE of 20 μg reduced rhIgG1 Fc. All lots are greater than 98% pure.

Lyophilized from 0.22 μm filtered solution in Tris with Glycine, Arginine and NaCl, pH7.5. Normally trehalose is added as protectant before lyophilization.

See Certificate of Analysis for details of reconstitution instruction and specific concentration.

Avoid repeated freeze-thaw cycles.
No activity loss was observed after storage at:
In lyophilized state for 1 year (4C-8C); After reconstitution under sterile conditions for 1 month (4C-8C) or 3 months (-20C to -70C).

Measured by its binding ability in a functional ELISA. Immobilized Human CD64, His Tag (Catalog # FCA-H52H2) at 10μg/mL (100 μL/well) can bind Human IgG Fc, Tag Free (Catalog # FCC-H5214) with a linear range of 7-41 ng/mL.


(1) Medinger M, Tzankov A,et al.( 2010), J Clin Immunol. 30 Suppl 1:S9-14.