Mouse CD21 Protein (CD2-MM121)

  • Express System: HEK293
  • Product Tag: C-His
  • Purity: > 90% as determined by Tris-Bis PAGE
  • Amino Acid Range: Ile12-Trp963

Catalog: CD2-MM121


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Product Description Recombinant Mouse CD21 Protein is expressed from HEK293 with His tag at the C-Terminus.It contains Ile12-Trp963.

Product Background

A natural soluble form of CD21 that is cleaved from lymphocyte membrane CD21 circulates in normal human serum. Soluble CD21 retains the capacity to bind iC3b and CD23, the known ligands of membrane CD21. In a similar fashion to IgE complexes, another ligand of CD23, the soluble CD21 was shown to efficiently trigger CD23-signalling pathways in human monocytes.

Product Category

Recombinant Protein


Synonyms EBV receptor; CD21; C3DR; CR2; C3DRSLEB9; CVID7; SLEB9



Amino Acid Range

Molecular Weight The protein has a predicted MW of 106.03 kDa. Due to glycosylation, the protein migrates to 130-160 kDa based on Tris-Bis PAGE result.

Product Tag


Express System

Purity > 90% as determined by Tris-Bis PAGE
Endotoxin Less than 1EU per ug by the LAL method.
Form Lyophilized
Shipping Shipped at ambient temperature.
Formulation Lyophilized from 0.22 um filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
Reconstitution Centrifuge the tube before opening. Reconstituting to a concentration more than 100 ug/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.
Mouse CD21 on Tris-Bis PAGE under reduced condition. The purity is greater than 90%.

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