PROVETOP

Biotinylated Human CD24 Protein

Catalog No: CD24-HB001

Species
Human
Expression System
HEK293
Tag
His, Avi
Activity
Activity verified

Product overview

Recombinant Biotinylated Human CD24 Protein is expressed in HEK293 cells with a His tag and Avi tag at the C-terminus. It contains amino acid residues Ser27-Gly59 (UniProt accession: P25063-1).

Product Details

Molecular Aliases
CD 24; CD24 molecule; CD24A; FLJ22950; FLJ43543; MGC75043; CD24
Protein Length
Ser27-Gly59
Expression System
HEK293
Theoretical Molecular Weight
The protein has a predicted MW of 6.5 kDa. Due to glycosylation, the protein migrates to 25-40 kDa based on Bis-Tris PAGE result.
Purity
> 95% as determined by Bis-Tris PAGE > 95% as determined by HPLC
Endotoxin
Less than 1 EU per μg by the LAL method.
Buffer / Formulation
Lyophilized from 0.22 μm filtered solution in PBS (pH 7.4). Normally 8% trehalose is added as protectant before lyophilization.
State
Lyophilized
Storage Conditions
-20 to -80°C for 12 months as supplied from date of receipt. -80°C for 3 months after reconstitution. Recommend to aliquot the protein into smaller quantities for optimal storage. Please minimize freeze-thaw cycles.
Reconstitution Advice
Dissolve the lyophilized protein in distilled water. Please refer to the Certificate of Analysis for detailed instructions.

Data Display

Bis-Tris PAGE
CD24-HB001 Bis-Tris-PAGE-white result

Biotinylated Human CD24 on Bis-Tris PAGE under reduced condition. The purity is greater than 95%.

SEC-HPLC
CD24-HB001 SEC-HPLC result

The purity of Biotinylated Human CD24 is greater than 95% as determined by SEC-HPLC.

ELISA
CD24-HB001 ELISA result

Immobilized Biotinylated Human CD24, His Tag at 1μg/ml (100μl/well) on the streptavidin precoated plate (5μg/ml). Dose response curve for Anti-CD24 Antibody, hFc Tag with the EC50 of 5.5ng/ml determined by ELISA (QC Test).

Background

CD24 is a sialoglycoprotein expressed at the surface of most B lymphocytes and differentiating neuroblasts. It is also expressed on neutrophils and neutrophil precursors from the myelocyte stage onwards. The potential for targeting CD24 in cancer therapy seems promising, as CD24 is overexpressed in many human cancers.

References

  1. Barkal AA, et al. CD24 signalling through macrophage Siglec-10 is a target for cancer immunotherapy. Nature. 2019 Jul 31. doi: 10.1038/s41586-019-1456-0. D
  2. Sun F, Wang T, Jiang J, et al. Engineering a high-affinity humanized anti-CD24 antibody to target hepatocellular carcinoma by a novel CDR grafting design[J]. Oncotarget, 2017, 8(31):51238-51252.

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