R&D Systems™ Recombinant Equine IL-4 Protein

Extensive quality control produces industry leading bioactivity and lot-to-lot consistency that instills confidence in results and ensures reproducibility. Applications: Bioactivity

Product Code	Brand	Formulation
18127840	R&D Systems™ 1809-EL-020	Lyophilized from a 0.2μm filtered solution in PBS with BSA as a carrier protein.
18137960	R&D Systems™ 1809-EL-020/CF	Lyophilized from a 0.2μm filtered solution in PBS.

Description

The Recombinant Equine IL-4 Protein is derived from E. coli. The Recombinant Equine IL-4 Protein has been validated for the following applications: Bioactivity.

Specifications

• Molecular Weight (g/mol): 12.6 kDa
• Quantity: 20 μg
• Storage Requirements: 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.
• Conjugate: Unconjugated
• Purity or Quality Grade: 95%, by SDS-PAGE under reducing conditions and visualized by silver stain.

• Name: IL-4
• Source: E. coli-derived equine IL-4 protein Lys26-Cys137
• Gene Alias: B cell growth factor 1, BCDF, B-cell stimulatory factor 1, BCGF1, BCGF-1, binetrakin, BSF1, BSF-1, IL4, IL-4B_cell stimulatory factor 1, IL4E12, interleukin 4, interleukin-4, Lymphocyte stimulatory factor 1, MGC79402, Pitrakinra
• Recombinant: Recombinant