Recombinant Human Interleukin-4/IL-4 Protein (Active)
| Code | Size | Price |
|---|
| PKSH032650-20ug | 20ug | £210.00 |
Quantity:
| PKSH032650-100ug | 100ug | £472.00 |
Quantity:
Prices exclude any Taxes / VAT
Overview
Host Type: Human
Regulatory Status: RUO
Application: Cell Culture
Shipping:
The product is shipped at ambient temperature. Upon receipt store it immediately at the storage temperature listed.
Storage:
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
Further Information
Abbreviation:
Interleukin-4;IL-4
Accession:
P05112
Activity:
Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. The ED50 for this effect is 7-27 pg/mL.
Background:
Interleukin-4 (IL-4) is a pleiotropic cytokine that regulates diverse T and B cell responses including cell proliferation; survival and gene expression. IL-4 is produced by mast cells; T cells; and bone marrow stromal cells. IL-4 regulates the differentiation of naive CD4+ T cells into helper Th2 cells; characterized by their cytokine-secretion profile that includes secretion of IL-4; IL-5; IL-6; IL-10; and IL-13; which favor a humoral immune response. Another dominant function of IL-4 is the regulation of immunoglobulin class switching to the IgG1 and IgE isotypes. Excessive IL-4 production by Th2 cells has been associated with elevated IgE production and allergic response.
Calculated MW:
15.1 kDa
Endotoxin:
< 1.0 EU per ug of the protein as determined by the LAL method.
Expression Host:
E.coli
Formulation:
Lyophilized from a 0.2 um filtered solution of 20mM PB, 150mM NaCl, pH 7.4.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization.
Please refer to the specific buffer information in the printed manual.
Fusion tag:
None
ObservedMW:
13-14 kDa
Purity:
> 95 % as determined by reducing SDS-PAGE.
Sequence:
His25-Ser153
Target Synonym:
Interleukin-4;IL-4;B-Cell Stimulatory Factor 1;BSF-1;Binetrakin;Lymphocyte Stimulatory Factor 1;Pitrakinra;IL4
UNIProt ID:
P05112