SRP4595
IFN-alpha 2b human
recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC)
Synonym(s):
IFNA, INFA2, Interferon α 2b
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About This Item
biological source
human
recombinant
expressed in E. coli
Assay
≥98% (HPLC)
≥98% (SDS-PAGE)
form
lyophilized
potency
>2.0x10^7 units/mg
mol wt
~19.3 kDa
packaging
pkg of 100 μg
storage condition
avoid repeated freeze/thaw cycles
impurities
endotoxin, tested
NCBI accession no.
UniProt accession no.
shipped in
wet ice
storage temp.
−20°C
Gene Information
human ... IFNA2b(3440)
General description
The gene IFN-α2b (interferon α 2b) is mapped to human chromosome 9. The encoded protein is a type 1 interferon and a glycoprotein. It belongs to the class of cytokines. Human IFN-α2b is a 19.3kDa protein containing 165 amino acid residues. Structurally, IFN-α2b is O-glycosylated at the threonine residue at position 106.
Application
IFN-α2b human has been used:
- as an immunotherapeutic agent to test its antiproliferative and proapoptotic effects in RCC cell lines
- to stimulate peripheral blood mononuclear cell (PBMC) prior to RNA isolation
- to stimulate H4 cells before immunoprecipitation
- to study role of USP18 (ubiquitin specific peptidase 18)-mediation deISGylation in controlling cellular autophagy upon treatment with type I interferons
Biochem/physiol Actions
IFN-α2b (interferon α 2b) is a lymphoid factor that possesses potent anti-viral activity. It mainly interacts with cell surface-specific receptors. This interaction is responsible for anti-pathogenic response in cells. IFN-α2b also exhibits anti-tumor activities. Humans with brain tumor were shown to have mutations in this gene. IFN-α2b induces the secretion of cytokine IFN-γ in T cells. The hydrogels embedded with IFN-α2b exploits this functionality in gastric cancer cells. Recombinant IFN-α types are effective against Middle East Respiratory Syndrome Coronavirus (MERS-CoV) in in vitro studies.
Physical form
Lyophilized from 5 mM sodium phosphate, pH 7.4.
Reconstitution
Reconstitute in water to a concentration of 1 mg/mL. This solution can then be diluted into other aqueous buffers. Centrifuge the vial prior to opening. Avoid freeze-thaw cycles.
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Regulatory Information
常规特殊物品
Certificates of Analysis (COA)
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