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Specifications

Recombinant IL-1b-chain comprises a 153aa fragment (117-269) corresponding to the mature IL-1b chain and is expressed in E. coli with an amino-terminal hexahistidine tag.
Catalog #	I7663-16B
	Interleukin 1b is a potent pro-inflammatory cytokine produced by a wide variety of cell types including monocytes and macrophages. It displays a broad range of biological activity including activation of B and T cells in response to inflammation and the activation of endothelial cells.
Applications	Suitable for use in ELISA. Western Blot, Dot Blot, Immunohistochemistry, Developmen t of rapid tests. Other applications not tested.
	Recommended Dilutions:
	Optimal dilutions to be determined by the researcher.
Storage and Stability	May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Molecular Weight	21.88kD
Source	Human, Recombinant, E. coli
Purity	95% by SDS-PAGE.
Concentration	As reported
Form	Supplied as a liquid in 20mM Tris-HCl, pH 8.0, 50% glycerol
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.