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IFN alpha-2a Recombinant Protein

CATALOG NUMBER: 91-018

Specifications
source-species:
E. coli
Species:
Human
source-species:
E. coli
Recombinant Protein Sequence:
Cys24-Glu188
Fusion Tag:
Tag Free
Application Note:
This recombinant protein can be used for biological assays. For research use only.
Predicted Molecular Weight:
19.24 kD
Biological Activity:
Specific Activity is greater than 1.0 x 108 IU/ mg as determined in a viral resistance assay using VSV-WISH cells.
Purity:
Greater than 95% as determined by reducing SDS-PAGE.
Endotoxin level less than 0.1 ng/ug (1 IEU/ug) as determined by LAL test.
physical-state:
Lyophilized
Buffer:
Lyophilized from a 0.2 um filtered solution of 20mM PB, 150mM NaCl, pH 7.2. It is not recommended to reconstitute to a concentration less than 100 ug/ml. Dissolve the lyophilized protein in ddH2O.
Storage Conditions:
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.
Ncbi Official Symbol:
IFNA2
Additional Names:
Interferon Alpha-2, IFN-Alpha-2, Interferon Alpha-A, LeIF A, IFNA2
Protein Accession Number:
P01563
Ncbi Gene Id Number:
3440
Background:
At least 23 different variants of IFN- alpha 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- alpha subtypes possess a common conserved sequence region between amino acid positions 115-151 while the amino-terminal ends are variable. Many IFN- alpha subtypes only differ in their sequences by one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxy-terminal end.

FOR RESEARCH USE ONLY

For additional information, visit ProSci’s Terms & Conditions Page.

Disclaimer:
Products are intended for laboratory research purposes only and should be used by qualified personnel only. They are not intended for use in humans. ProSci is not liable for damages or injuries resulting from receipt and/or use of ProSci materials. Please refer to the Material Safety Data Sheet (MSDS) for safe storage, handling, and use procedures.

CATALOG NUMBER:

91-018

List Size:
0.05 mg

List Price:

$328.00

Datasheet
Shipping Info

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