R&D Systems™ Recombinant Cotton Rat IL-4 Protein

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

Catalog Number	Mfr. No.	Formulation
584R4010	R&D Systems™ 584R4010	Lyophilized from a 0.2μm filtered solution in PBS with BSA as a carrier protein.
584R4010CF	R&D Systems™ 584R4010/CF	Lyophilized from a 0.2μm filtered solution in PBS.

Description

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

Specifications

• Molecular Weight (g/mol): 15 kDa
• Quantity: 10μg
• 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: >97%, by SDS-PAGE under reducing conditions and visualized by silver stain.

• Name: IL-4
• Source: E. coli-derived cotton rat IL-4 protein Cys21-Phe147,with an N-terminal Met
• 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