Active Recombinant Equine IL4

• Cat.No.: IL4-669E
• Product Overview: Recombinant Equine IL4 (Accession # NP_001075988) Lys26-Cys137 was produced in E. coli-derived.

Specification

• Source: E. coli
• Species: Equine
• Predicted N Terminal: Lys26
• Form: Lyophilized from a 0.2 µm filtered solution in PBS with BSA as a carrier protein.
• Bio-activity: Measured in a cell proliferation assay using TF-1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323.The ED50 for this effect is typically 10 - 60 ng/mL.
• Molecular Mass: Recombinant Equine IL4 has a calculated MW of 12.6 kDa.
• Purity: >95%, by SDS-PAGE under reducing conditions and visualized by silver stain.
• Storage: Avoid repeated freeze-thaw cycles. No activity loss was observed after storage at: In lyophilized state for 1 year (4ºC); After reconstitution under sterile conditions for 3 months (-70ºC).
• Reconstitution: Reconstitute at 100 µg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.

Gene Information

• Gene Name: IL4 interleukin 4 [ Equus caballus (horse) ]
• Official Symbol: IL4
• Synonyms: IL4; interleukin 4; IL-4; BSF-1; interleukin-4; B-cell stimulatory factor 1; lymphocyte stimulatory factor 1
• Gene ID: 100034225
• mRNA Refseq: NM_001082519
• Protein Refseq: NP_001075988
• UniProt ID: P42202
• Chromosome Location: 14