Recombinant Human IL-2 Protein

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SDS-Page: IL2 Protein [NBC1-18462] - Interleukin-2(C145S), 15.4kDa (133aa), confirmed by MALDI-TOF with a purity of 95% by SDS - PAGE

Product Details

Summary
Reactivity HuSpecies Glossary
Applications Func, PAGE
Concentration
0.5 mg/ml

Order Details

Recombinant Human IL-2 Protein Summary

Description
An un-tagged recombinant protein corresponding to the amino acids 22-153 of Human IL-2

Source: E.coli

Amino Acid Sequence: MPTSSSTKKT QLQLEHLLLD LQMILNGINN YKNPKLTRML TFKFYMPKKA TELKHLQCLE EELKPLEEVL NLAQSKNFHL RPRDLISNIN VIVLELKGSE TTFMCEYADE TATIVEFLNR WITFSQSIIS TLT

Details of Functionality
The ED50 for this effect is less or equal to 0.65 ng/ml. Measured in a cell proliferation assay using CTLL2 mouse cytotoxic T cells.
Source
E. coli
Protein/Peptide Type
Biologically Active Protein
Gene
IL2
Purity
>95% pure by SDS-PAGE
Endotoxin Note
< 1.0 EU per 1 microgram of protein (determined by LAL method)

Applications/Dilutions

Theoretical MW
15.4 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 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
Buffer
20mM MES buffer (pH5.0), 10% glycerol
Preservative
No Preservative
Concentration
0.5 mg/ml
Purity
>95% pure by SDS-PAGE

Alternate Names for Recombinant Human IL-2 Protein

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

Background

IL-2, also known as T cell growth factor(TCGF), is an immunoregulatory lymphokine produced by T-cells in response to antigenic or mitogenic stimulation. IL-2/IL-2R signaling is required for T-cell proliferation and other fundamental functions which are essential for the immune response. IL-2 stimulates growth and differentiation of B-cells, NK cells, lymphokine activated killer cells, monocytes, macrophages and oligodendrocytes. This recombinant human IL-2 is a 15.4 kDa protein, containing 133 amino acid residues including one intra chain disulfide bond. Recombinant human IL-2 was overexpressed in E. coli and purified by conventional chromatography, after refolding of the isolated inclusion bodies in a renaturation buffer.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 2 years from date of receipt.

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Bioinformatics

Gene Symbol IL2
Entrez