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You are here:Home » Growth Factors, Cytokines » Growth Factors-Interleukin » Interleukin 1 alpha, Recombinant, Human (IL-1a, Hematopoietin-1, Lymphocyte-activating Factor, LAF, Endogenous Pyrogen, Leukocyte Endogenous Mediator, LEM, Mononuclear Cell Factor, MCF)

Interleukin 1 alpha, Recombinant, Human (IL-1a, Hematopoietin-1, Lymphocyte-activating
Factor, LAF, Endogenous Pyrogen, Leukocyte Endogenous Mediator, LEM, Mononuclear Cell
Factor, MCF)

Pricing

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Specifications

Recombinant Human IL-1a is a single, non-glycosylated polypeptide chain containing 159aa and having a molecular weight of ~18kD. The sequence of the first five N-terminal aa was determined to be Ser-Ala-Pro-Phe-Ser. Contains less than 1% dimers and aggregates.
Source: E. coli
Catalog #I7663-07E1
Molecular Weight ~18kD
Endotoxin 0.1ng/ug
ActivityThe ED50 as determined by dose-dependent stimulation of mouse D10S cells is less than 0.001ng/ml, corresponding to a specific activity of 1x10IU/mg.
Storage and StabilityLyophilized powder may be stored at 4°C for short-term only. Stable for at least 6 months at -20°C. Reconstitute with sterile deionized water to a concentration 100ug/ml. For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA). 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~18kD
SourceE. coli
Purity98% (HPLC, FPLC, SDS-PAGE).
FormSupplied as a lyophilized powder in 20mM tris-HCl, pH 8.0, 5mM MgCl2 and 10% glycerol. No preservative added. Reconstitute with sterile deionized water to a concentration 100ug/ml.
Important NoteThis 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.


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