"IFNA2" Related Products

Recombinant Human Pegylated Interferon Alpha-2b

Cat. No.: IFNA2-05H
Product Overview: Recombinant Human Interferon alpha-2b produced inE. coliis a single, non-glycosylated, polypeptide chain containing 165 amino acids and having a molecular mass of 19269 Dalton. Pegylated IFN alpha-2b is manufactured by attaching a 40KD NHS-mPEG to the primary amino acid of IFN alpha-2b.
Description: 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 differ in their sequences at only one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxy-terminal end.
Purity: >98% as determined by SDS-PAGE , RP-HPLC and FPLC.
Formulation: Lyophilized from a (0.5mg/ml) solution in containing 8.8mg sodium chloride, 0.4mg sodium acetate and 1.0mg acetate acid buffer.
Specific Activity: The specific activity as determined in a viral resistance assay using VSV-WISH cells was found to be 1.0 x 106IU/mg.
Endotoxin: Less than 0.1 ng/µg (IEU/µg) of PEG-IFN alpha-2b.
Reconstitution: It is recommended to reconstitute the lyophilized PEG-IFN alpha-2b in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Storage: Lyophilized PEG-IFN alpha-2b although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution PEG-IFN alpha-2b 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). Aliquot to avoid repeated freeze-thaw cycles.
Gene Name: IFNA2
Synonyms: IFNA; INFA2; MGC125764; MGC125765; Leukocyte interferon; B cell interferon, Type I interferon; IFNA2; IFN-α2a; Interferon alpha-A; LeIF A; Interferon alpha-2; Interferon alpha-2 Precursor; interferon, alpha 2
Gene ID: 3440
mRNA Refseq: NM_000605.2
Protein Refseq: NP_000596.2
MIM: 147562
UniProt ID: P01563
Chromosome Location: 9p22
Pathway: Antigen processing and presentation; Cytokine-cytokine receptor interaction ;Jak-STAT signaling pathway ;KEGG pathway: Natural killer cell mediated cytotoxicity ;Regulation of autophagy ;Toll-like receptor signaling pathway
Function: interferon-alpha/beta receptor binding

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Optional requirements on this protein    +Expand
C-fusion    N-fusion   Non-tagged
His    GST   Fc   Others
<1.0 eu/μg    <0.1 eu/μg   <0.01 eu/μg   Not required
Monomer Isolation    Dimer Isolation    Not required
>80% by SDS-PAGE    >90% by SDS-PAGE   >95% by SDS-PAGE   Others

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