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Mouse CD28 Protein, Fc Tag (MALS verified)

  • シノニム
    CD28,Tp44
  • ソース
    Mouse CD28, Fc Tag (CD8-M5258) is expressed from human 293 cells (HEK293). It contains AA Asn 20 - Lys 149  (Accession # P31041-1).
    Predicted N-terminus: Asn 20
  • 分子特性
    Online(Asn 20 - Lys 149 ) P31041-1

    This protein carries a human IgG1 Fc tag at the C-terminus.

    The protein has a calculated MW of 41.5 kDa. The protein migrates as 55-60kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • エンドトキシン
    Less than 1.0 EU per μg by the LAL method.
  • 純度

    >95% as determined by SDS-PAGE.

    >90% as determined by SEC-MALS.

  • 成分

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

    Contact us for customized product form or formulation.

  • 再構成

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • 保存

    For long term storage, the product should be stored at lyophilized state at -20°C or lower.

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
Mouse CD28, Fc Tag (Cat. No. CD8-M5258) SDS-PAGE gel

Mouse CD28, Fc Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.

SEC-MALS
Mouse CD28, Fc Tag (Cat. No. ) MALS images

The purity of Mouse CD28, Fc Tag (Cat. No. CD8-M5258) is more than 90% and the molecular weight of this protein is around 95-115 kDa verified by SEC-MALS.

Bioactivity-BLI
Human_FcRn_Heterodimer_Protein_Bli

Loaded Mouse CD28, Fc Tag (Cat. No. CD8-M5258) on Protein A Biosensor, can bind with Mouse B7-2, His Tag (Cat. No. CD6-M52H0) an affinity constant of 7.9 μM as determined in BLI assay (ForteBio Octet Red96e) (QC tested).

Human_FcRn_Heterodimer_Protein_Bli

Loaded Mouse CD28, Fc Tag (Cat. No. CD8-M5258) on Protein A Biosensor, can bind with Mouse B7-1, His Tag (Cat. No. CD0-M5228) an affinity constant of 8.1 μM as determined in BLI assay (ForteBio Octet Red96e) (Routinely tested).

  • バックグラウンド
    T-cell-specific surface glycoprotein CD28 is also known as TP44, is a single-pass type I membrane protein which contains one Ig-like V-type (immunoglobulin-like) domain. is one of the molecules expressed on T cells that provide co-stimulatory signals, which are required for T cell activation. CD28 is the receptor for CD80 (B7.1) and CD86 (B7.2). When activated by Toll-like receptor ligands, the CD80 expression is upregulated in antigen presenting cells (APCs). The CD86 expression on antigen presenting cells is constitutive. CD28 is the only B7 receptor constitutively expressed on naive T cells.
  • Clinical and Translational Updates
      
  • Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.

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