Target
IL21
Synonyms
IL21 | Interleukin 21 | Interleukin-21 | Interleukin-21 isoform | Za11 | IL-21
Modifications
Animal-free
Conjugations
Unconjugated
Predicted Molecular Weight
15.0 kDa
AA Sequence
MHKSSPQGPDRLLIRLRHLIDIVEQLKIYENDLDPELLSAPQDVKGHCEHAAFACFQKAKLKPSNPGNNKTFIIDLVAQLRRRLPARRGGKKQKHIAKCPSCDSYEKRTPKEFLERLKWLLQKMIHQHLS
Expression System
E. coli
Purification
Greater than 98% by SDS-PAGE gel and HPLC analyses.
Bio-Activity
Determined by its ability to stimulate the proliferation of human ANBL-6 cells. The expected ED50 is = 1.0 ng/ml, corresponding to a specific activity of = 1 x 10^6 units/mg.§
Endotoxin
Less than 0.01 ng/µg of protein (Less than 0.1 EU/µg).
Presentation
Lyophilized from sterile filtered 2mM Sodium Citrate, pH 4
Reconstitution
Centrifuge vial prior to opening. Do not vortex. Reconstitute with H2O to 0.1-1.0 mg/ml.
Storage
Before reconstitution: Short term: Room temperature; Long term: -20°C to -80°C. After reconstitution: Short term: 4°C; Long term: Aliquot and store with a carrier protein at -20°C to -80°C. Avoid freeze thaw cycles. Microcentrifuge before opening.
Restrictions
For research use only. Intended for use by laboratory professionals.
Guarantee
This protein carries the LSBio 100% Guarantee.
LSBio Guarantee