Name :
Recombinant Human CD47 Protein (ECD, hFc Tag), HPLC-verified
Biological Activity :
Background :
CD47 contains 1 Ig-like V-type (immunoglobulin-like) domain and is a receptor for the C-terminal cell binding domain of thrombospondin. It may play a role in membrane transport and signal transduction. CD47 is also a membrane protein, which is involved in the increase in intracellular calcium concentration that occurs upon cell adhesion to extracellular matrix. It is very broadly distributed on normal adult tissues, as well as ovarian tumors, being especially abundant in some epithelia and the brain. CD47 may play a role in membrane transport and/or integrin dependent signal transduction. It may prevent premature elimination of red blood cells. It also may be involved in membrane permeability changes induced following virus infection. By acting as an adhesion receptor for THBS1 on platelets, CD47 plays a role in both cell adhesion and in the modulation of integrins. It also plays an important role in memory formation and synaptic plasticity in the hippocampus. Cancer Immunotherapy Co-inhibitory Immune Checkpoint Targets Immune Checkpoint Immune Checkpoint Detection: Antibodies Immune Checkpoint Detection: ELISA Antibodies Immune Checkpoint Detection: WB Antibodies Immune Checkpoint Targets Immunotherapy Targeted Therapy
Biological Activity :
1. Measured by its binding ability in a functional ELISA. Immobilized human SIRPA-His (Cat:11612-H08H) at 10 μg/ml (100 μl/well) can bind human CD47-Fc, The EC50 of human CD47-Fc is 10.1-23.5 ng/ml.2. Measured by its binding ability in a functional ELISA. Immobilized mouse SIRPA-His (Cat:50956-M08H) at 10 μg/ml (100 μl/well) can bind human CD47-Fc, The EC50 of human CD47-Fc is 0.05-0.13 μg/ml.3. Measured by its binding ability in a functional ELISA. Immobilized human SIRPG-His (Cat:11828-H08H) at 10 μg/ml (100 μl/well) can bind human CD47-Fc, The EC50 of human CD47-Fc is 0.58-1.34 μg/ml.
Expression Host :
Human
Source :
HEK293 Cells
Tag :
Protein Accession No. :
NP_942088.1
NCBI Gene ID :
Synonyms :
Synonyms :
CD47 molecule
Amino Acid Sequence :
Molecular Weight :
The recombinant human CD47/Fc is a disulfide-linked homodimer. The reduced monomer comprises 362 amino acids and has a predicted molecular mass of 40.7 kDa. The apparent molecular mass of the protein is approximately 48-60 kDa in SDS-PAGE under reducing conditions due to glycosylation.
Purity :
≥ 95 % as determined by SDS-PAGE ≥ 90 % as determined by SEC-HPLC.
State of Matter :
Product Concentration :
Storage and Stability :
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.
Endotoxin Level :
< 1.0 EU per μg of the protein as determined by the LAL method
Protein Construction :
A DNA sequence encoding the human CD47 (NP_942088.1) (Met1-Pro139) was expressed with the Fc region of human IgG1 at the C-terminus.
Buffer Solution :
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 hardcopy of datasheet.
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.
Redissolution :
A hardcopy of datasheet with reconstitution instructions is sent along with the products. Please refer to it for detailed information.
Synonyms :
IAP Protein, Human; MER6 Protein, Human; OA3 Protein, Human CD47 背景信息 CD47 contains 1 Ig-like V-type (immunoglobulin-like) domain and is a receptor for the C-terminal cell binding domain of thrombospondin. It may play a role in membrane transport and signal transduction. CD47 is also a membrane protein, which is involved in the increase in intracellular calcium concentration that occurs upon cell adhesion to extracellular matrix. It is very broadly distributed on normal adult tissues, as well as ovarian tumors, being especially abundant in some epithelia and the brain. CD47 may play a role in membrane transport and/or integrin dependent signal transduction. It may prevent premature elimination of red blood cells. It also may be involved in membrane permeability changes induced following virus infection. By acting as an adhesion receptor for THBS1 on platelets, CD47 plays a role in both cell adhesion and in the modulation of integrins. It also plays an important role in memory formation and synaptic plasticity in the hippocampus. Cancer Immunotherapy Co-inhibitory Immune Checkpoint Targets Immune Checkpoint Immune Checkpoint Detection: Antibodies Immune Checkpoint Detection: ELISA Antibodies Immune Checkpoint Detection: WB Antibodies Immune Checkpoint Targets Immunotherapy Targeted Therapy
References & Citations :
Brown EJ, et al. (2001) Integrin-associated protein (CD47) and its ligands. Trends Cell Biol. 11(3): 130-5.Oldenborg PA. (2004) Role of CD47 in erythroid cells and in autoimmunity. Leuk Lymphoma. 45(7): 1319-27.Kaczorowski DJ, et al. (2007) Targeting CD47: NO limit on therapeutic potential. Circ Res. 100(5): 602-3.
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