CD45 Protein, Human, Recombinant (hFc Tag)

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CD45 Protein, Human, Recombinant (hFc Tag): Product Information

Purity
> 90 % as determined by SDS-PAGE
Endotoxin
< 1.0 EU per μg of the protein as determined by the LAL method
Activity
Measured by its ability to bind biotinylated human Galectin-1 (Cat:10290-HNAE-E) in a functional ELISA.
Protein Construction
A DNA sequence encoding the human CD45 (NP_563578.2) (Met1-Lys416) was fused with the Fc region of human IgG1 at the C-terminus.
Accession#
Expressed Host
HEK293 Cells
Species
Human
Predicted N Terminal
Gln 26
Molecule Mass
The recombinant mature human CD45/Fc chimeric protein consists of 629 amino acids and has a calculated molecular mass of 71.1 kDa. In SDS-PAGE under reducing conditions, the apparent molecular mass of human CD45/Fc monomer is approximately 122 kDa due to glycosylation.
Formulation
Lyophilized from sterile PBS, pH 7.4
Please contact us for any concerns or special requirements.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the hard copy of CoA.
Shipping
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃
Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution
A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.

CD45 Protein, Human, Recombinant (hFc Tag): Images

CD45 Protein, Human, Recombinant (hFc Tag): Synonyms

B220 Protein, Human; CD45 Protein, Human; CD45R Protein, Human; GP180 Protein, Human; L-CA Protein, Human; LCA Protein, Human; LY5 Protein, Human; T200 Protein, Human

CD45 Background Information

The cluster of differentiation (CD) system is commonly used as cell markers in Immunophenotyping. Different kinds of cells in the immune system can be identified through the surface CD molecules associating with the immune function of the cell. There are more than 320 CD unique clusters and subclusters have been identified. Some of the CD molecules serve as receptors or ligands important to the cell through initiating a signal cascade which then alter the behavior of the cell. Some CD proteins do not take part in cell signal process but have other functions such as cell adhesion. Protein tyrosine phosphatase, receptor type C (CD45), also known as PTPRC is a member of the protein tyrosine phosphatase (PTP) family which is known for its function to serve as signaling molecules and to regulate a variety of cellular processes such as cell proliferation, differentiation, mitotic cycle and oncogenic transformation. CD45 is found expression specifically in hemotopietic cells. CD45 consists of an extracellular domain, a single transmembrane segment and two tandem intracytoplasmic catalytic domains. It serves as an essential regulator of T-cell and B-cell antigen receptor signaling through either direct interaction with components of the antigen receptor complexes or by activating various Src family kinases required for the antigen receptor signaling and it also can suppress JAK kinases.
Full Name
protein tyrosine phosphatase, receptor type, C
Related Pathways
  • B Cell Receptor Signaling Pathway
    B Cell Receptor Signaling Pathway
  • Jak-Stat Signaling Pathway
    Jak-Stat Signaling Pathway
  • T Cell Receptor Signaling Pathway
    T Cell Receptor Signaling Pathway
  • Common G-Chain signaling pathway
    Common G-Chain signaling pathway
References
  • Zola H, et al. (2007) CD molecules 2006-human cell differentiation molecules. J Immunol Methods. 318 (1-2): 1-5.
  • Ho IC, et al. (2009) GATA3 and the T-cell lineage: essential functions before and after T-helper-2-cell differentiation. Nat Rev Immunol. 9 (2): 125-35.
  • Matesanz-Isabel J, et al. (2011) New B-cell CD molecules. Immunology Letters.134 (2): 104-12.
  • Irie-Sasaki J, et al. (2001) CD45 is a JAK phosphatase and negatively regulates cytokine receptor signaling. Nature. 409: 349-54.
  • Kindlin-3 Is Essential for the Resting α4β1 Integrin-mediated Firm Cell Adhesion under Shear Flow Conditions
    Author
    Lu, L;Lin, C;Yan, Z;Wang, S;Zhang, Y;Wang, S;Wang, J;Liu, C;Chen, J;
    Year
    2016
    Journal
    J. Biol. Chem.
    Application
    N/A
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