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CD28 Protein, Human, Cynomolgus, Rhesus, Recombinant (His)

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CD28 Protein, Human, Cynomolgus, Rhesus, Recombinant (His)

Catalog No. TMPY-06021

CD28 Protein, Human, Cynomolgus, Rhesus, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 16.6 kDa and the accession number is Q0PDN3.

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Pack Size	Price	Availability
50 μg	$255	In Stock
100 μg	$435	7-10 days
200 μg	$741	7-10 days
500 μg	$1,490	7-10 days

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Biological Description

Biological Information	Testing in progress
Description	CD28 Protein, Human, Cynomolgus, Rhesus, Recombinant (His) is expressed in HEK293 mammalian cells with His tag. The predicted molecular weight is 16.6 kDa and the accession number is Q0PDN3.
Species	Human,Cynomolgus,Rhesus
Expression System	HEK293 Cells
Tag	C-His
Accession Number	Q0PDN3
Synonyms	CD28 molecule
Construction	The Human/cynomolgus/rhesus CD28 (P10747-1/Q0PDN3-1/NP_001036106.2) (Asn19-Pro152) was expressed with a polyhistidine tag at the C-terminus and a signal peptide (Q0PDN3-1/NP_001036106.2, Met1-Gly18) at the N-terminus. Human, Cynomolgus and Rhesus CD28 sequences (Asn19-Pro152) are identical.
Protein Purity	≥ 90 % as determined by SDS-PAGE. ≥ 95 % as determined by SEC-HPLC.
Molecular Weight	16.6 kDa (predicted)
Endotoxin	< 1.0 EU/μg of the protein as determined by the LAL method.
Formulation	Lyophilized from a solution filtered through a 0.22 μm filter, containing PBS, pH 7.4. Typically, a mixture containing 5% to 8% trehalose, mannitol, and 0.01% Tween 80 is incorporated as a protective agent before lyophilization.
Reconstitution	A Certificate of Analysis (CoA) containing reconstitution instructions is included with the products. Please refer to the CoA for detailed information.
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 (Cluster of Differentiation 28) is a disulphide-bonded glycoprotein belonging to the immunoglobulin (Ig) superfamily, and structurally consists of a single Ig V-like extracellular domain, a transmembrane domain and an intracellular domain. Mouse CD28 is constitutively expressed on the surface of all murine T cells and on developing thymocytes as disulfide-linked homodimers or as monomers. CD28 can binds the B7-1 and B7-2 ligand, and together perform important functions in the T and B cell response pathways. B7/CD28 family members, which can augment or antagonize T-cell receptor signaling, in the regulation of central and peripheral T-cell tolerance. CD28 is thus involved in T-cell activation, the induction of cell proliferation and cytokine production and promotion of T-cell survival.Cancer ImmunotherapyCo-stimulatory Immune Checkpoint TargetsImmune CheckpointImmune Checkpoint Detection: AntibodiesImmune Checkpoint Detection: ELISA AntibodiesImmune Checkpoint Detection: FCM AntibodiesImmune Checkpoint Detection: IHC AntibodiesImmune Checkpoint Detection: WB AntibodiesImmune Checkpoint TargetsImmunotherapyTargeted Therapy