Rat IL-4

IL-4, rat recombinant
A key regulator in humoral and adaptive immunity
Product Overview
Alternate Names / Synonyms: Rat IL-4, IL-4, IL4, IL 4, r-IL-4, rr-IL-4, recombinant rat IL-4, recombinant IL-4, IL, interluekin
Gene Symbol: IL4
Accession #: P20096
Gene ID: 287287
Source: E. coli
Appearance: Lyophilized protein
Physical Form Description: Lyophilized with no additives.
Molecular Weight: 14.0 kDa
Purity by SDS-PAGE: ≥98%
Purity by HPLC: ≥98%
Endotoxin Level: <0.1 ng/μg
Biological Activity: The ED₅₀ as determined by the dose-dependent stimulation of the proliferation of con A-activated rat spleen cells is < 1.5 ng/ml, corresponding to a specific activity of > 6.6 x 10⁵ units/mg.
Reconstitution Instructions: Reconstitute in water to a concentration of 0.1-1 mg/ml. The solution can be diluted into other aqueous buffers and stored at 4°C for 1 week or –20°C for future use.
Storage Temp.: -20°C
Shipping: Gel pack
Background Information: IL-4 is a potent lymphoid cell growth factor that stimulates the growth and survivability of certain B cells and T cells. Recombinant Rat IL-4 is a 14 kDa protein containing 121 amino acid residues.
Handling: Centrifuge the vial prior to opening.
Usage: For Research Use Only! Not to be used in humans.