Recombinant Rat IL-2 Animal-Free Protein

SDS-Page: Recombinant Rat IL-2 Animal-Free Protein [NBP2-76187] - 1 ug in each lane (-) non-reducing conditions and (+) reducing conditions in a 4-20% Tris-Glycine gel.

Bioactivity: Recombinant Rat IL-2 Animal-Free Protein [NBP2-76187] - IL-2 induced proliferation of CTLL-2 cells.

• Reactivity: Rt
• Applications: PAGE, Bioactivity
• Format: Animal Free
• Concentration: LYOPH

Recombinant Rat IL-2 Animal-Free Protein Summary

• Description: An un-tagged bioactive recombinant protein corresponding to Rat IL-2
  
  

  Source: E. coli

  Amino Acid Sequence: MAPTSSPAKE TQQHLEQLLL DLQVLLRGID NYKNLKLPMM LTFKFYLPKQ ATELKHLQCL ENELGALQRV LDLTQSKSFH LEDAGNFISN IRVTVVKLKG SENKFECQFD DEPATVVEFL RRWIAICQSI ISTMTQ

  Produced with no materials of animal or human origin using ANIMAL-FREE purification processes.

  Production and Purification

  • No animal-derived ingredients, No FBS
  • E. coli based production system
  • Animal-Free facility, fermentor, columns, filters, labware, lyophilization, and storage
  
  

  Quality Assurance

  • Endotoxin levels at <1 EUs/ug
  • Purity levels at 95% or greater
• Specificity: IL-2 is a monomer, 15.6 kDa (136 aa)
• Preparation Method: Protein is derived from genetically modified E. coli.
• Details of Functionality: CTLL-2 Proliferation, >5 x 10^5 units/mg (ED50 acceptance criteria are <2 ng/mL).
• Source: E. coli
• Protein/Peptide Type: Recombinant Protein
• Gene: IL2
• Purity: >95%, by SDS-PAGE
• Endotoxin Note: Acceptance criteria for endotoxin levels are <1 EUs/ug protein (determined by Kinetic LAL Method).

Applications/Dilutions

• Dilutions:
  • Bioactivity
  • SDS-Page
• Theoretical MW: 15.6 kDa.
  Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Packaging, Storage & Formulations

• Storage: Store at -20 to -70C as supplied. After reconstitution, store at 2 to 8C for 1 month and at -20 to -70C for long term storage. Avoid repeated freeze-thaw cycles.
• Buffer: Lyophilized from a sterile (0.2 micron) filtered aqueous solution containing 0.1% Trifluoroacetic Acid (TFA)
• Preservative: No Preservative
• Concentration: LYOPH
• Purity: >95%, by SDS-PAGE
• Reconstitution Instructions: Sterile 10 mM HCl at 0.1 mg/mL

Notes

Lot Specific Information:
Given endotoxin and ED50 values are acceptance criteria standards. For lot specific values, please contact technical support.

Detailed Reconstitution:
Centrifuge vial before opening. Suspend the product by gently pipetting the recommended solution down the sides of the vial. DO NOT VORTEX. Allow several minutes for complete reconstitution. For prolonged storage, dilute to working aliquots.

Expiration Date:
12 months from date of receipt when stored at -20C to-80C as supplied. 1 month when stored at 4C after reconstituting as directed. 3 months when stored at -20C to -80C after reconstituting as directed.

Alternate Names for Recombinant Rat IL-2 Animal-Free Protein

• Aldesleukin
• IL2
• IL-2
• IL-2lymphokine
• interleukin 2
• interleukin-2
• involved in regulation of T-cell clonal expansion
• Proleukin
• T cell growth factor
• T-cell growth factor
• TCGF

Background

Interleukin 2 (IL-2) is a potent immunoregulatory growth factor produced by T-cells following stimulation by mitogens or allogens. IL-2 promotes growth and differentiation of various cells of the immune system, such as activated T-cells and B-cells, NK cells, lymphokine activated killer cells, monocytes and macrophages. It is essential for proper immune response, it may also be an important factor in the natural suppression of autoimmunity. IL2 may be of use as an anti-tumor agent in cancer therapy. Recombinant human IL2 is a 15.5 kDa protein, consisting of 134 amino acid residues. Human and mouse IL-2 share 56% aa sequence identity and exhibit cross-species activity.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. This product is guaranteed for 1 year from date of receipt.

Bioinformatics

• Gene Symbol: IL2