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IL-4, human recombinant
A key regulator in humoral and adaptive immunity
Product Overview
Alternate Names / Synonyms: BCGF,BCDF, B cell stimulating factor, BSF-1,Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra,
Gene Symbol: IL4
Accession #: P05112
Gene ID: 3565
Source: E. coli
Appearance: Lyophilized protein
Physical Form Description: Sterile filtered and lyophilized with no additives
Molecular Weight: 15.0 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 human TF-1 cells is <0.2 ng/ml, corresponding to a specific activity of ≥5 x 10⁶ units/mg.
Reconstitution Instructions: Reconstitute in water to a concentration of 0.1-1.0 mg/ml. The solution can then be diluted into other aqueous buffers
Storage Temp.: -20°C
Shipping: Blue ice
Background Information: IL-4 is a potent lymphoid cell growth factor that stimulates the growth and survivability of certain B cells and T cells. Human IL-4 is a 15.0 kDa globular protein containing 130 amino acid residues.
Handling: Centrifuge the vial prior to opening.
Usage: For Research Use Only! Not to be used in humans. |