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重组人IFN-α2c, Yeast

产品名称: 重组人IFN-α2c, Yeast
产品型号: PP100139-10μg
产品展商: PERFEMIKER
产品价格: 600.00 元
会员价格: 0.00 元
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简单介绍

名称:重组人IFN-α2c, Yeast 货号:PP100139 规格:10μg


重组人IFN-α2c, Yeast  的详细介绍

名称:重组人IFN-α2c, Yeast

Source:Yeast

Molecular Weight:Approximately 19.3 kDa, a single polypeptide chain containing 165 amino acids.

AA Sequence:CDLPQTHSLG SRRTLMLLAQ MRRISLFSCL KDRRDFGFPQ EEFGNQFQKA ETIPVLHEMI QQIFNLFSTK DSSAAWDETL LDKFYTELYQ QLNDLEACVI QGVGVTETPL MKEDSILAVR KYFQRITLYL KEKKYSPCAW EVVRAEIMRS FSLSTNLQES LRSKE

Purity:> 97 % by SDS-PAGE and HPLC analyses.

Biological Activity:Fully biologically active when compared to standard. The activity is determined by the cytopathic effect inhibition assay.

Physical Appearance:Sterile Filtered White lyophilized (freeze-dried) powder.

Formulation:Lyophilized from a 0.2 µm filtered solution in PBS, pH 7.4, with 0.02 % Tween-20.

Endotoxin:Less than 0.1 EU/µg of rHuIFN-α2c, Yeast as determined by LAL method.

Reconstitution:We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in sterile distilled water or aqueous buffer containing 0.1 % BSA to a concentration of 0.1-1.0 mg/mL. Stock solutions should be apportioned into working aliquots and stored at ≤ -20 °C. Further dilutions should be made in appropriate buffered solutions.

Stability & Storage:Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
- 12 months from date of receipt, -20 to -70 °C as supplied.
- 1 month, 2 to 8 °C under sterile conditions after reconstitution.
- 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background:IFN-αs are proteins secreted by leukocyte. They are mainly involved in innate immune response against viral infection. The IFN-α family has 13 subtypes and 23 different variants. 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-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.