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Recombinant FITC-Labeled Human CD47 Protein, His Tag, 25 µg  

Recombinant FITC-Labeled Human CD47 Protein, His Tag, 25 µg

Recombinant FITC-Labeled Human CD47 Protein, AA Gln 19 - Pro 139, expressed from human 293 cells (HEK293), His Tag

Synonym: Recombinant, mouse, protein, CD47, MER6, IAP, OA3

More details

CD7-HF2H3-25

Availability: within 7 days

382,80 €

Background
Leukocyte surface antigen CD47 is also known as Antigenic surface determinant protein OA3, Integrin-associated protein (IAP) and Protein MER6. CD47 contains 1 Ig-like V-type (immunoglobulin-like) domain. CD47 is very broadly distributed on normal adult tissues. CD47 has a role in both cell adhesion by acting as an adhesion receptor for THBS1 on platelets, and in the modulation of integrins and plays an important role in memory formation and synaptic plasticity in the hippocampus by similarity. CD47 is the receptor for SIRPA, binding to which prevents maturation of immature dendritic cells and inhibits cytokine production by mature dendritic cells. CD47 Interaction with SIRPG mediates cell-cell adhesion, enhances superantigen-dependent T-cell-mediated proliferation and costimulates T-cell activation.

Source
Recombinant FITC-Labeled Human CD47, His Tag (CD7-HF2H3) is expressed from human 293 cells (HEK293). It contains AA Gln 19 - Pro 139 (Accession # NP_942088.1).
Predicted N-terminus: Gln 19

Molecular Characterization
This protein carries a polyhistidine tag at the C-terminus.
The protein has a calculated MW of 15.6 kDa. The protein migrates as 35-45 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

Conjugate
FITC
Excitation source: 488 nm spectral line, argon-ion laser
Excitation Wavelength: 488 nm
Emission Wavelength: 535 nm

Labeling
The primary amines in the side chains of lysine residues and the N-terminus of the protein are conjugated with FITC using standard chemical labeling method. The residual FITC is removed by molecular seive treatment during purification process.

FITC:Protein Ratio
The FITC to protein molar ratio is 2-5.

Endotoxin
Less than 1.0 EU per μg by the LAL method.

Purity
>90% as determined by SDS-PAGE.

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

Reconstitution
Please see Certificate of Analysis for specific instructions.
For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

Storage
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:
-20°C to -70°C for 12 months in lyophilized state;
-70°C for 3 months under sterile conditions after reconstitution.

Bioactivity
Please refer to product data sheet.

Clinical and Translational Updates

(1) "Acacetin Prevents Bone Loss by Disrupting Osteoclast Formation and Promoting Type H Vessel Formation in Ovariectomy-Induced Osteoporosis"
Lin, Xu, Zhang et al
Front Cell Dev Biol (2022) 10, 796227
(2) "Endothelial SIRPα signaling controls VE-cadherin endocytosis for thymic homing of progenitor cells"
Ren, Xia, Liao et al
Elife (2022) 11
(3) "Arsenic retention in erythrocytes and excessive erythrophagocytosis is related to low selenium status by impaired redox homeostasis"
Cai, Zhang, Zhang et al
Redox Biol (2022) 52, 102321
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