Recombinant Human IFN alpha2b

Item number: EPT205
Availability: In Stock
$99.00
$99.00
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Size: 10ug
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Recombinant Human IFN alpha2b

Recombinant Human IFN alpha2b

$99.00

Recombinant Human IFN alpha2b

$99.00
Size: 10ug
Description
Recombinant Human Interferon Alpha-2b is produced by our E.coli expression system and the target gene encoding Cys24-Glu188(Lys46Arg) is expressed.
Accession
P01563
Molecular weight
19.4 KDa
Apparent molecular weight
17 KDa, reducing conditions
Other names
Interferon Alpha-2; IFN-Alpha-2; Interferon Alpha-A; LeIF A; IFNA2
Purity
Greater than 95% as determined by reducing SDS-PAGE.
Endotoxin
Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Biological activity
Measured in antiviral assay using A549 human lung cancer cells infected with vesicular stomatitisvirus (VSV) The ED50 for this effect is 5 ng/mL.
Redissolve
Always centrifuge tubes before opening.Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Storage
Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
Delivery condition
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below.
At least 23 different variants of IFN-α are known. The individual proteins have molecular masses between 19-26 kDa and consist of proteins with lengths of 156-166 and 172 amino acids. All IFN-α subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN-α subtypes differ in their sequences by only one or two positions. Naturally occurring variants also include proteins that are truncated by 10 amino acids at the carboxyl-terminal end.

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