Interleukin-1 beta Human Recombinant produced in E.Coli is a single, non-glycosylated, His-Tag Polypeptide chain containing 153 amino acids fragment (117–269) and having a total molecular mass of 21.88 kDa with an amino-terminal hexahistidine tag. The IL-1b His is purified by proprietary chromatographic techniques.
Greater than 95.0% as determined by: - (a) Analysis by RP-HPLC. - (b) Analysis by SDS-PAGE
IL-1b His is supplied in 1× PBS and 50% glycerol.
At ambient temperature. Upon receipt, store the product at the temperature recommended below.
– Store at 4°C if entire vial will be used within 2–4 weeks. - Store, frozen at –20°C for longer periods of time. - Please avoid freeze thaw cycles.
Sterile filtered liquid.