Human IL 1RA Protein

SKU: orb426471

This product can be custom made

Description

Recombinant of human IL 1RA protein

Images & Validation

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Application Notes

Protein content: Protein quantitation was carried out by two independent methods:1. UV spectroscopy at 280 nm using the absorbency value of 0.89 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics). 2. Analysis by RP-HPLC, using a standard solution of IL-1 ra as a Reference Standard

Key Properties

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Source	Escherichia Coli
Biological Activity	The ED50 as determined by the dose-dependant inhibition of IL-1 stimulation of D10S cells was found to be 0.5 ng/ml corresponding to a Specific Activity of 2,000,000IU/mg.
Protein Sequence	The sequence of the first five N-terminal amino acids was determined and was found to be Met-Arg-Pro-Ser-Gly
Purity	Greater than 98.0% as determined by:(a) Analysis by RP-HPLC.(b) Analysis by SDS-PAGE.

Storage & Handling

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Storage	Stability: Lyophilized Interleukin 1ra although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL-1ra should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Please prevent freeze-thaw cycles
Form/Appearance	Sterile Filtered White lyophilized (freeze-dried) powder.
Buffer/Preservatives	Lyophilized protein with no additives.
Expiration Date	6 months from date of receipt.
Disclaimer	For research use only

Alternative Names

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IRAP, IL1F3, IL1RA, IL-1ra3, ICIL-1RA, IL1RN, IL1 inhibitor, IL-1ra, MGC10430.

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