Target
IL4
Synonyms
IL4 | B cell growth factor 1 | B-cell stimulatory factor 1 | B_cell stimulatory factor 1 | BCGF1 | BSF-1 | Binetrakin | BCGF-1 | Interleukin 4 | Interleukin-4 | Pitrakinra | BSF1 | IL-4
Conjugations
Unconjugated
Predicted Molecular Weight
~14 kDa
Expression System
E. coli
Source Species
Escherichia coli
Purification
Greater than 95% by SDS-PAGE
Bio-Activity
The ED(50) was determined by the dose-dependent stimulation of the proliferation of human TF-1 cells is = 0.4 ng/mL, corresponding to a specific activity of = 2.0 x 10^6 units/mg.
Endotoxin
Less than 1.0 EU/µg protein (determined by LAL method).
Presentation
Lyophilized from Sterile Solution PBS, pH 7.0
Reconstitution
Reconstitute in distilled water to 0.1 mg/ml.
Storage
The lyophilized protein is stable for up to 1 year at -70°C. Upon reconstitution, this cytokine can be stored in working aliquots at 2°C to 8°C for 1 month, or at -20°C for 6 months, with a carrier protein without detectable loss of activity. Avoid freeze/thaw cycles.
Restrictions
For research use only. Intended for use by laboratory professionals.
Guarantee
This protein carries the LSBio 100% Guarantee.
LSBio Guarantee