IL-4 Recombinant Protein

Product Specifications

Product Name Alternative

Interleukin-4, IL-4, B-Cell Stimulatory Factor 1, BSF-1, Binetrakin, Lymphocyte Stimulatory Factor 1, Pitrakinra, IL4

UniProt

P05112

Tag

Tag Free

Source

E. coli

Field of Research

Immunology & Inflammation

Purity

Greater than 95% as determined by reducing SDS-PAGE.Endotoxin level less than 0.1 ng/ug (1 IEU/ug) as determined by LAL test.

Bioactivity

ED50 is less than 2 ng/ml as determined by the dose-dependent stimulation of TF-1 cells.Specific Activity of 5.0 x 106 IU/mg.

Form

Lyophilized

Molecular Weight

15.1 kD

Storage Conditions

Lyophilized protein should be stored at -20°C, though stable at room temperature for 3 weeks.Reconstituted protein solution can be stored at 4-7°C for 2-7 days.Aliquots of reconstituted samples are stable at -20°C for 3 months.

Notes

For research use only.

Applications Notes

This recombinant protein can be used for biological assays. For research use only.

NCBI Accession Number

P05112

Preservative

Lyophilized from a 0.2 um filtered solution of 20mM PB, 150mM NaCl, pH 7.4. It is not recommended to reconstitute to a concentration less than 100 ug/ml. Dissolve the lyophilized protein in ddH2O.