Recombinant Rat Interleukin-4

SKU: orb1906136

Description

Recombinant Rat Interleukin-4

Research Area

Immunology & Inflammation

Key Properties

• Source: Escherichia coli
• Expression System: Escherichia coli
• Biological Activity: Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using rat splenocytes is less than 1.0 ng/ml, corresponding to a specific activity of > 1.0 x106 IU/mg.
• Molecular Weight: Approximately 14.0 kDa, a single non-glycosylated polypeptide chain containing 125 amino acids.
• Protein Sequence: HGCNDSPLRE IINTLNQVTE KGTPCTEMFV PDVLTATRNT TENELICRAS RVLRKFYFPR DVPPCLKNKS GVLGELRKLC RGVSGLNSLR SCTVNESTLT TLKDFLESLK SILRGKYLQS CTSMS
• Purity: > 95 % by SDS-PAGE and HPLC analyses.
• Endotoxins: Less than 1 EU/ug of rRtIL-4 as determined by LAL method.

Storage & Handling

• Storage: Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.
• Form/Appearance: Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4, 5% trehalose.
• Expiration Date: 6 months from date of receipt.
• Disclaimer: For research use only

Alternative Names

B-cell IGG Differentiation Factor, B-cell Growth Gactor 1, BSF-1, Lymphocyte Stimulatory Factor 1

Quick Database Links

UniProt

P20096