CD28 Protein, Human/Cynomolgus/Rhesus macaque, Recombinant (His & Avi)

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CD28 Protein, Human/Cynomolgus/Rhesus macaque, Recombinant (His & Avi)

Catalog No. TMPK-00110

CD28 is the receptor for CD80 (B7-1) and CD86 (B7-2) proteins.When activated by Toll-like receptor ligands, the CD80 expression is upregulated in antigen presenting cells (APCs). The CD86 expression on antigen presenting cells is constitutive. CD28 is the only B7 receptor constitutively expressed on naive T cells. CD28 Protein, Human/Cynomolgus/Rhesus macaque, Recombinant (His & Avi) is expressed in HEK293 mammalian cells with N-His-Avi tag. The predicted molecular weight is 18.2 kDa and the accession number is P10747-1.

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Pack Size	Price	Availability
100 μg	$465	7-10 days
500 μg	$1,850	7-10 days
1 mg	$3,100	7-10 days

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Biological Description

Biological Information	1. Immobilized Human/Cynomolgus/Rhesus macaque CD28, His Tag at 0.5μg/ml (100μl/Well) on the plate. Dose response curve for Anti-CD28 Antibody, hFc Tag with the EC50 of 18.4ng/ml determined by ELISA (QC Test). 2. Anti-CD28 antibody captured on Protein A chip, can bind Human/Cynomolgus/Rhesus macaque CD28, His Tag with an affinity constant of 5.15nM as determined in a SPR assay.
Description	CD28 is the receptor for CD80 (B7-1) and CD86 (B7-2) proteins.When activated by Toll-like receptor ligands, the CD80 expression is upregulated in antigen presenting cells (APCs). The CD86 expression on antigen presenting cells is constitutive. CD28 is the only B7 receptor constitutively expressed on naive T cells. CD28 Protein, Human/Cynomolgus/Rhesus macaque, Recombinant (His & Avi) is expressed in HEK293 mammalian cells with N-His-Avi tag. The predicted molecular weight is 18.2 kDa and the accession number is P10747-1.
Species	Human,Cynomolgus,Rhesus
Expression System	HEK293 Cells
Tag	N-His-Avi
Accession Number	P10747-1
Synonyms	CD28 molecule,MGC138290,CD28,CD28 antigen (Tp44)
Construction	Asn19-Pro152
Protein Purity	> 95% as determined by Tris-Bis PAGE
Molecular Weight	18.2 kDa (predicted). Due to glycosylation, the protein migrates to 36-52 kDa based on Tris-Bis PAGE result.
Endotoxin	< 1 EU/μg by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS (pH 7.4). Typically, 8% trehalose is incorporated as a protective agent before lyophilization.
Reconstitution	Reconstitute the lyophilized protein in distilled water. The product concentration should not be less than 100 μg/ml. Before opening, centrifuge the tube to collect powder at the bottom. After adding the reconstitution buffer, avoid vortexing or pipetting for mixing.
Stability & Storage	It is recommended to store recombinant proteins at -20°C to -80°C for future use. Lyophilized powders can be stably stored for over 12 months, while liquid products can be stored for 6-12 months at -80°C. For reconstituted protein solutions, the solution can be stored at -20°C to -80°C for at least 3 months. Please avoid multiple freeze-thaw cycles and store products in aliquots.
Shipping	In general, Lyophilized powders are shipping with blue ice.
Research Background	CD28 is the receptor for CD80 (B7-1) and CD86 (B7-2) proteins.When activated by Toll-like receptor ligands, the CD80 expression is upregulated in antigen presenting cells (APCs). The CD86 expression on antigen presenting cells is constitutive. CD28 is the only B7 receptor constitutively expressed on naive T cells.

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Keywords

MGC-138290 MGC 138290 Tp44 CD28 antigen CD-28 CD 28