供货周期: | 7天 |
品牌: | |
型号: | 5μg/25μg/1mg |
货号: | CYT-543 |
Prospec (蛋白质专家) 是一家领先的生物科技公司,有16年生产细菌重组蛋白方面的专业经验。Prospec还生产细胞因子,生长因子,趋化因子,激素,酶,病毒抗原及其它的重组蛋白。
Prospec的蛋白质提纯技术申请了专利,所以Prospec以生产成本低,生产效率高,产品纯度高,有竞争力的价格,使Prospec产品在市场上立于不败之地(占有很大优势)。
Prospec为满足顾客的需要,还根据顾客需求进行重组蛋白生产服务。
Prospec为全球的学术机构,政府研究部门,生物科技和药物公司以及医院和参照实
IFN a 2a Human, Plant
Interferon Alpha 2a Human Recombinant, Tobacco
Catalog No. CYT-543
Synonyms:
Leukocyte interferon, B cell interferon, Type I interferon, IFNA2, IFN-α 2a.
Introduction:
IFN-alpha is produced by macrophages and has antiviral activities. Interferon stimulates the production of two enzymes: protein kinase and an oligoadenylate synthetase.
Description:
Interferon Alpha Human 2a Recombinant produced in Plant is a single, glycosylated, polypeptide chain containing 165 amino acids and having a molecular mass of 19 kDa.
The Interferon-a 2a contains affinity 6xHis tag on C-terminus.
The IFN-A 2a is purified by proprietary chromatographic techniques.
Source:
Nicotiana Sp.Plant
Physical Appearance:
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation:
Lyophilized, containing 50% SDS.
Solubility:
It is recommended to reconstitute the lyophilized Interferon-alpha 2a in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Stability:
Lyophilized Interferon alpha 2a although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-alpha 2a 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).
Please prevent freeze-thaw cycles.
Amino acid sequence:
The sequence of the first twelve N-terminal amino acids was determined and was found to be Cys-Asp-Leu-Pro-Gln-Thr-His-Ser-Leu-Gly-Ser-Arg.
Purity:
Greater than 99.0% as determined by both:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.
Biological Activity:
The specific activity was determined by a quantitative gene report bioassay using human Type I interferon-sensitive cells. Compared with bacterial derived recombinant IFN-a 2a, assayed in the same conditions, plant derived IFN-alpha 2a showed 6.1 × 108 Units/mg in reference to a viral resistance assay using bovine kidney MDBK cells.
Usage:
ProSpec's products are furnished for LABORATORY RESEARCH USE ONLY. The product may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
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