供货周期: | 一周 |
品牌: | |
规格: | 20μg/100μg/1mg |
货号: | CYT-520 |
CAS号: |
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 1a Human
Interferon-Alpha 1a Human Recombinant
Catalog No. CYT-520
Synonyms:
Interferon-alpha 1a, IFN-a 1a, IFN alpha 1a.
Introduction:
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.
Description:
Interferon-alpha 1a Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 165 amino acids and having a molecular mass of 19.4 kDa.
The Interferon-alpha 1a contains Valine residue at position 114.
The IFN-a 1a is purified by proprietary chromatographic techniques.
Source:
Escherichia Coli.
Physical Appearance:
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation:
Lyophilized from a (1 mg/ml) solution in containing 1X PBS pH-7.4.
Solubility:
It is recommended to reconstitute the lyophilized IFN alpha 1a in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Stability:
Lyophilized Interferon alpha 1a although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution IFN-alpha 1a 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.
Purity:
Greater than 95.0% as determined by:
(a) Analysis by RP-HPLC.
(b) Analysis by SDS-PAGE.
Biological Activity:
The specific activity as determined in a viral resistance assay viral ressistance assay was found to be 1 x 108 IU/ mg.
Amino Acid Sequence:
CDLPETHSLD NRRTLMLLAQ MSRISPSSCL MDRHDFGFPQ EEFDGNQFQK APAISVLHEL IQQIFNLFTT KDSSAAWDED LLDKFCTELY QQLNDLEACA MQEERVGETP LMNVDSILAV KKYFRRITLY LTEKKYSPCA WEVVRAEIMR SLSLSTNLQE RLRRKE
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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