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C004
Recombinant Human Albumin-IFN-α2b/HSA-IFNα2b
10ug
840
756
现货
国产
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C004
Recombinant Human Albumin-IFN-α2b/HSA-IFNα2b
50ug
2520
2268
现货
国产
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C004
Recombinant Human Albumin-IFN-α2b/HSA-IFNα2b
500ug
14800
13320
现货
国产
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C004
Recombinant Human Albumin-IFN-α2b/HSA-IFNα2b
1mg
21120
19008
现货
国产
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Catalog# C004 Source P. pastoris Description Recombinant Human Albumin/HSA fusion Interferon α-2b produced in P. pastoris is a single non-glycosylated polypeptide chain with a molecular mass of 85.7 kD. Names Interferon Alpha-2, IFN-Alpha-2, Interferon Alpha-A, LeIF A, IFNA2 Accession # P01563 Formulation Lyophilized from a 0.2 μm filtered solution of 20mM PB, 150mM NaCl, pH 7.2 Shipping The product is shipped at ambient temperature. Reconstitution Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
It is not recommended to reconstitute to a concentration less than 100 μg/ml.
Dissolve the lyophilized protein in 1X PBS.
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.Biological Activity Specific Activity is 5.0 x 106 IU/mg as determined by a viral resistance assay using VSV-WISH cells. Purity Greater than 98% as determined by SEC-HPLC and reducing SDS-PAGE. Endotoxin Less than 0.1 ng/µg (1 IEU/µg). Amino Acid Sequence DAHKSEVAHRFKDLGEENFKALVLIAFAQYLQQCPFEDHVKLVNEVTEFAKTCVADESAENCDKS LHTLFGDKLCTVATLRETYGEMADCCAKQEPERNECFLQHKDDNPNLPRLVRPEVDVMCTAFHDN EETFLKKYLYEIARRHPYFYAPELLFFAKRYKAAFTECCQAADKAACLLPKLDELRDEGKASSAK QRLKCASLQKFGERAFKAWAVARLSQRFPKAEFAEVSKLVTDLTKVHTECCHGDLLECADDRADL AKYICENQDSISSKLKECCEKPLLEKSHCIAEVENDEMPADLPSLAADFVESKDVCKNYAEAKDV FLGMFLYEYARRHPDYSVVLLLRLAKTYETTLEKCCAAADPHECYAKVFDEFKPLVEEPQNLIKQ NCELFEQLGEYKFQNALLVRYTKKVPQVSTPTLVEVSRNLGKVGSKCCKHPEAKRMPCAEDYLSV VLNQLCVLHEKTPVSDRVTKCCTESLVNRRPCFSALEVDETYVPKEFNAETFTFHADICTLSEKE RQIKKQTALVELVKHKPKATKEQLKAVMDDFAAFVEKCCKADDKETCFAEEGKKLVAASQAALGL CDLPQTHSLGSRRTLMLLAQMRRISLFSCLKDRHDFGFPQEEFGNQFQKAETIPVLHEMIQQIFN LFSTKDSSAAWDETLLDKFYTELYQQLNDLEACVIQGVGVTETPLMKEDSILAVRKYFQRITLYL KEKKYSPCAWEVVRAEIMRSFSLSTNLQESLRSKEBackground At least 23 different variants of Interferon-α are known. The individual proteins have molecular masses between 19-26 kD 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 at only one or two positions. Naturally occurring variants also include proteins truncated by 10 amino acids at the carboxyl-terminal end.