Recombinant Rat IL-4 Protein (Trx Tag)
Product Specifications
Background
Participates in at least several B-cell activation processes as well as of other cell types. It is a costimulator of DNA-synthesis. It induces the expression of class II MHC molecules on resting B-cells. It enhances both secretion and cell surface expression of IgE and IgG1. It also regulates the expression of the low affinity Fc receptor for IgE (CD23) on both lymphocytes and monocytes. Positively regulates IL31RA expression in macrophages. Stimulates autophagy in dendritic cells by interfering with mTORC1 signaling and through the induction of RUFY4.
Abbreviation
IL-4
Synonyms
Interleukin-4; B-cell stimulatory factor 1; BSFR-1
UniProt
P20096
Accession Number
P20096
Expression System
E.coli
Tag
N-Trx
Sequence
Cys25-Ser147
Field of Research
Immunology; Cell Biology; Signal Transduction
Endotoxin
< 10 EU/mg of the protein as determined by the LAL method
Purity
> 95% as determined by reducing SDS-PAGE.
Bioactivity
Not validated for activity
Reconstitution
It is recommended that sterile water be added to the vial to prepare a stock solution of 0.5 mg/mL. Concentration is measured by UV-Vis
Shipping Conditions
This product is provided as lyophilized powder which is shipped with ice packs.
Storage Conditions
Generally, lyophilized proteins are stable for up to 12 months when stored at -20 to -80°C. Reconstituted protein solution can be stored at 4-8°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
Calculated Molecular Weight
33.4 kDa
Observed Molecular Weight
33 kDa
Formulation
Lyophilized from a 0.2 μm filtered solution in PBS with 5% Trehalose and 5% Mannitol.
Species
Rat
Available Sizes
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