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Human IL 7 Protein

SKU: orb426538

Description

Recombinant of human,yeast IL 7 protein

Images & Validation

Application Notes
Protein content: Protein quantitation was carried out by two independent methods:1. UV spectroscopy at 280 nm using the absorbency value of 0.418 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-7 as a Reference Standard

Key Properties

SourceSaccharomyces cerevisiae
Biological ActivityThe ED50 as determined by the dose-dependent stimulation of thymidine uptake by murine pre-B cell line 2E8 is 2 x 106 units/mg.
Protein SequenceThe sequence of the first five N-terminal amino acids was determined and was found to be Asp-Cys-Asp-Ile-Glu
PurityGreater than 98.0% as determined by SDS-PAGE.

Storage & Handling

StorageStability: Lyophilized Interleukin-7 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IL7 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/AppearanceSterile Filtered White lyophilized (freeze-dried) powder.
Buffer/PreservativesLyophilized from a concentrated (1mg/ml) solution in water containing 20mM phosphate buffer.
Expiration Date6 months from date of receipt.
DisclaimerFor research use only

Alternative Names

Lymphopoietin 1 (LP-1), pre-B cell factor, IL-7.

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Human IL 7 Protein (orb426538)

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2 μg
$ 250.00
10 μg
$ 350.00
1 mg
$ 6,170.00
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