Recombinant Human TSLP Protein

Recombinant Human Thymic stromal lymphopoietin is produced by our Mammalian expression system and the target gene encoding Tyr29-Gln159 is expressed with a human IgG1 Fc tag at the C-terminus.

Product Specifications

Product Name Alternative

Thymic stromal lymphopoietin; Thymic stroma-derived lymphopoietin; TSLP

UniProt

Q969D9

Expression Region

Tyr29-Gln159

Conjugation

Unconjugated

Tag

C-Fc

Origin

Human

Purity

SDS-PAGE: Greater than 95% as determined by reducing SDS-PAGE. (QC verified) . SEC-HPLC: Greater than 90% as determined by SEC-HPLC. (QC verified)

Bioactivity

ELISA: Immobilized Human TSLP R-His (Cat#orb2993884) at 2μg/ml (100 μl/well) can bind Human TSLP-Fc (Cat#orb2992988) .The ED50 of Human TSLP-Fc (Cat#orb2992988) is 1.32 ng/ml. (Regularly tested) . BLI: Loaded Human TSLP-Fc (Cat#orb2992988) on Protein A Biosensor, can bind Human TSLPR&IL-7RA Heterodimer-His (Cat#orb2993098) with an affinity constant of 0.50 nM as determined in BLI assay. (Regularly tested) Loaded Human TSLP-Fc (Cat#orb2992988) on Protein A Biosensor, can bind Human TSLP R-His (Cat#orb2993884) with an affinity constant of 0.24 uM as determined in BLI assay. (Regularly tested)

Form

Lyophilized

Molecular Weight

Predicted: 41.9 kDa. Observed: 45-58 kDa

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.