Recombinant Human IL-2RA Protein
Recombinant Human Interleukin-2 Receptor Subunit Alpha is produced by our Mammalian expression system and the target gene encoding Glu22-Cys213 is expressed with a human IgG1 Fc tag at the C-terminus.
Product Specifications
Product Name Alternative
Interleukin-2 receptor subunit alpha; CD25; p55; TAC antigen; IL2-RA; IL-2R subunit alpha; IL-2-RA; IL-2 receptor subunit alpha
UniProt
P01589
Expression Region
Glu22-Cys213
Conjugation
Unconjugated
Tag
C-Fc
Origin
Human
Endotoxin
< 1 EU/μg as determined by LAL test.
Purity
SDS-PAGE: Greater than 95% as determined by reducing SDS-PAGE.. SEC-HPLC: Greater than 90% as determined by SEC-HPLC. (QC verified)
Bioactivity
BLI: Loaded Human IL-2-His (Cat#orb3002442) on HIS1K Biosensor, can bind Human IL-2RA-Fc (Cat#orb2994463) with an affinity constant of 3.06 nM as determined in BLI assay. Loaded Biotinylated Human IL-2-His-Avi (Cat#orb2993791) on SA Biosensor, can bind Human IL-2RA-Fc (Cat#orb2994463) with an affinity constant of 2.63 nM as determined in BLI assay.
Form
Lyophilized
Molecular Weight
Predicted: 48.9 KDa. Observed: 60-80 KDa, reducing conditions
Storage Conditions
Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
Notes
For research use only.
Preservative
0.2 μm filtered solution of PBS, pH 7.4.
Available Sizes
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