1.Alternative Name:TP44;CD; CD152 antigen; CD152; CD152IDDM12; CD28; celiac disease 3; CELIAC3; CTLA4; CTLA-4; cytotoxic T-lymphocyte antigen 4; cytotoxic T-lymphocyte protein 4; Cytotoxic T-lymphocyte-associated antigen 4; cytotoxic T-lymphocyte-associated protein 4; cytotoxic T-lymphocyte-associated serine esterase-4; GRD4; GSE; ICOS; ligand and transmembrane spliced cytotoxic T lymphocyte associated antigen 5
2.Target:CD28
3.Source:Human/Cynomolgus CD28 was expressed from HEK293 with poly His at the C-terminal
4.Sequence:Asn19-Pro152
5.Protein structure:Q0PDN3His
6.Molecular Characterization:The protein has a calculated MW of 17kDa.The reducing (R) heterodimer protein migrates as 45-70 kDa due to glycosylation
7.Purity:SDS-PAGE>90%，SEC>95%
8.Reconstitution:sterile H2O
9.Endotoxin:<1EU/mg
10.Formulation:Lyophilized from 0.22 μm filtered solution in PBS, pH7.4.
11.SDS-PAGE
Determined by SDS-PAGE, the purity of the protein is greater than 90%.
12.SEC-HPLC
Determined by SEC-HPLC, the purity of the protein is greater than 95%.
13.ELISA
When Recombinant Human / Cynomolgus CD28/His Protein is immobilized at 2μg/mL (100 μL/well), the concentration of Anti-Human CD28 (TGN1412) that produces 50% of the optimal binding response is approximately 60 ng/ml.
Note:For research use only .
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