Human Interleukin-13 (hIL-13) #8905
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Inquiry Info. # 8905
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Product Information
Formulation
Storage
Maintain sterility. Storage at -20°C should be in a manual defrost freezer.
Product Description
| MW (kDa) | 12 |
| Purity | >98% as determined by SDS-PAGE of 6 μg reduced (+) and non-reduced (-) recombinant hIL-13. All lots are greater than 98% pure. |
| Endotoxin | Less than 0.01 ng endotoxin/1μg hIL-13. |
| Activity | The bioactivity of recombinant hIL-13 was determined in a TF-1 cell proliferation assay. The ED50 of each lot is between 0.6-1.2 ng/ml. |
| Molecular Formula | Recombinant hIL-13 does not have a Met on the amino terminus and has a calculated MW of 12,344. DTT-reduced and non-reduced protein migrate as 12 kDa polypeptides with non-reduced protein having slightly greater mobility due to intramolecular cystines. The expected amino-terminal GPVPP of recombinant hIL-13 was verified by amino acid sequencing. |
Source / Purification
Background
- Wynn, T.A. (2003) Annu Rev Immunol 21, 425-56.
- Katz, Y. et al. (1995) Clin Exp Immunol 101, 150-6.
- McKenzie, A.N. et al. (1993) Proc Natl Acad Sci USA 90, 3735-9.
- Wills-Karp, M. et al. (1998) Science 282, 2258-61.
- Nakajima, H. and Takatsu, K. (2007) Int Arch Allergy Immunol 142, 265-73.
- Wills-Karp, M. and Finkelman, F.D. (2008) Sci Signal 1, pe55.
- Mentink-Kane, M.M. et al. (2004) Proc Natl Acad Sci USA 101, 586-90.
Alternate Names
hIL-13; IL-13; Interleukin-13; rhIL-13
Limited Uses
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