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Home > Products > Recombinant Proteins > Recombinant Human CD48 protein, Fc-tagged

Recombinant Human CD48 protein, Fc-tagged

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Human(14)
Mouse(9)
Rat(8)
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Fc(5)
GST(1)
His(6)
Cat.No.:
CD48-234H
Product Overview:
Recombinant Human CD48(Gln27-Ser220) fused with Fc region of Human IgG1 at C-terminal was expressed in HEK293.
Description:
CD48, also known as BLAST-1, BCM-1, and SLAMF2, is a 65 kDa GPI-linked protein in the CD2 family of immunoglobulin superfamily proteins. The human CD48 cDNA encodes a 243 amino acid (aa) precursor that includes a 26 aa signal sequence, a 194 aa mature protein containing two Ig-like C2-type domains, and a 23 aa C-terminal propeptide. A soluble form of CD48 has been detected in the serum of lymphoid leukemia and arthritis patients. Human CD48 shares approximately 50% aa sequence identity with mouse and rat CD48. It shares 20%-26% aa sequence identity with comparable regions of human 2B4, BLAME, CD2F-10, CD84, CD229, CRACC, NTB-A, and SLAM. CD48 is expressed on most lineage-committed hematopoietic cells but not on hematopoietic stem cells or multipotent hematopoietic progenitors. Among dendritic cells (DC), CD48 is selectively expressed on circulating myeloid DC and resident bone marrow and thymus DC. CD2, 2B4, and heparan sulfate function as CD48 ligands. CD48 is competent to transduce signals and can also trigger signaling through CD2 or 2B4. CD48-CD2 interactions promote T cell activation and class switching to IgG2a in B cells. High affinity CD48-2B4 interactions can either promote or inhibit NK cell and cytotoxic T cell (CTL) activation. CD48-2B4 ligation does not directly trigger CTL activity but enhances signaling from the T cell receptor. CD48-2B4 mediated inhibition of NK cell activity is distinct from MHC I-restricted mechanisms. CD48 expressed on NK cells is co-activating, whereas CD48 expressed on other cell types inhibits NK cell activation. Both CD48 expressing and non-expressing cells can be targets of NK cell or
CTL-mediated lysis.
Source:
HEK293
Species:
Human
Tag :
Fc
Predicted N Terminal:
No results obtained. Gln27 inferred from enzymatic pyroglutamate treatment revealing Gly28
Form:
Lyophilized from a 0.2 μm filtered solution in PBS.
Bio-activity:
Measured by its binding ability in a functional ELISA. When Recombinant Human 2B4/CD244/SLAMF4 Fc Chimera is immobilized at 1 µg/mL (100 µL/well), Recombinant Human CD48/SLAMF2 Fc Chimera binds with an ED50 of 2-12 ng/mL.
Molecular Mass:
Predicted Molecular Mass: 49 kDa
SDS-PAGE: 61-70 kDa, reducing conditions
Endotoxin:
<0.1 EU per 1 μg of the protein by the LAL method.
Purity:
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Storage:
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 centigrade as supplied.
1 month, 2 to 8 centigrade under sterile conditions after reconstitution.
3 months, -20 to -70 centigrade under sterile conditions after reconstitution.
Reconstitution:
Reconstitute at 500 μg/mL in PBS.


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Optional requirements on this protein +Expand
C-fusion   N-fusion  Non-tagged
His   GST  Fc  Others
<1.0 eu/μg   <0.1 eu/μg  <0.01 eu/μg  Not required
Monomer Isolation   Dimer Isolation   Not required
>80% by SDS-PAGE   >90% by SDS-PAGE  >95% by SDS-PAGE  Others
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45-1 Ramsey Road, Shirley, NY 11967, USA
USA: 1-631-559-9269  1-631-448-7888
Europe: 44-207-048-3343
FAX: 1-631-938-8127
EMAIL: info@creative-biomart.com

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