Name :
Recombinant Human CD58/LFA-3 Protein (hFc Tag), HPLC-verified
Biological Activity :
Background :
CD53 is a member of the transmembrane 4 superfamily, also called the tetraspanin family. Most of these members are cell-surface proteins that are characterized by the presence of four hydrophobic domains. These proteins mediate signal transduction events that play a role in the regulation of cell development, activation, growth and motility. CD53 is a cell surface glycoprotein that is known to complex with integrins. Familial deficiency of CD53 gene has been linked to an immunodeficiency associated with recurrent infectious diseases caused by bacteria, fungi and viruses. CD53 contributes to the transduction of CD2-generated signals in T cells and natural killer cells and has been suggested to play a role in growth regulation. Cancer Immunotherapy Immune Checkpoint Immunotherapy Targeted Therapy
Biological Activity :
1. Measured by its binding ability in a functional ELISA. Immobilized human CD2-His (Cat:10982-H08H) at 10 μg/ml (100 μl/well) can bind human CD58-Fc, The EC50 of human CD58-Fc is 0.04-0.1 μg/ml.2. Measured by its binding ability in a functional ELISA. Immobilized Cynomolgus CD2-His (Cat:90300-C08H) at 10 μg/ml (100 μl/well) can bind human CD58-Fc, The EC50 of human CD58-Fc is 0.04-0.10 μg/ml.
Expression Host :
Human
Source :
HEK293 Cells
Tag :
Protein Accession No. :
Q9BRW0
NCBI Gene ID :
Synonyms :
Synonyms :
CD58 molecule
Amino Acid Sequence :
Molecular Weight :
The recombinant human CD58/Fc is a disulfide-linked homodimer. The reduced monomer comprises 428 amino acids and has a predicted molecular mass of 48.5 kDa. The apparent molecular mass of the protein is approximately 68 kDa in SDS-PAGE under reducing conditions.
Purity :
≥ 95 % as determined by SDS-PAGE. ≥ 85 % 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 CD58 (Q9BRW0) (Met1-Arg215) 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 :
ag3 Protein, Human; CD58 Protein, Human; LFA-3 Protein, Human; LFA3 Protein, Human CD58/LFA-3 背景信息 CD53 is a member of the transmembrane 4 superfamily, also called the tetraspanin family. Most of these members are cell-surface proteins that are characterized by the presence of four hydrophobic domains. These proteins mediate signal transduction events that play a role in the regulation of cell development, activation, growth and motility. CD53 is a cell surface glycoprotein that is known to complex with integrins. Familial deficiency of CD53 gene has been linked to an immunodeficiency associated with recurrent infectious diseases caused by bacteria, fungi and viruses. CD53 contributes to the transduction of CD2-generated signals in T cells and natural killer cells and has been suggested to play a role in growth regulation. Cancer Immunotherapy Immune Checkpoint Immunotherapy Targeted Therapy
References & Citations :
Rochelle JM. et al., 1993, Int Immunol. 5 (2): 209-16. Virtaneva KI. et al., 1993, Immunogenetics. 37 (6): 461-5. Horejsí V. et al., 1991, FEBS Lett. 288 (1-2): 1-4.
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