供货周期: | 一周 |
品牌: | Prospect Biosystems |
规格: | 2μg/10μg/1mg |
货号: | CYT-401 |
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
GM CSF Porcine
Granulocyte Macrophage-Colony Stimulating Factor Porcine Recombinant
Catalog No. CYT-401
Synonyms:
CSF-2, MGI-1GM, GM-CSF, Pluripoietin-alpha, Molgramostin, Sargramostim.
Introduction:
GMCSF is a cytokine that controls the production, differentiation, and function of granulocytes and macrophages. The active form of the protein is found extracellularly as a homodimer. This gene has been localized to a cluster of related genes at chromosome region 5q31, which is known to be associated with interstitial deletions in the 5q- syndrome and acute myelogenous leukemia. Other genes in the cluster include those encoding interleukins 4, 5, and 13.
GM-CSF stimulates the growth and differentiation of hematopoietic precursor cells from various lineages, including granulocytes, macrophages, eosinophils and erythrocytes.
Description:
Granulocyte Macrophage Colony Stimulating Factor Porcine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 127 amino acids and having a molecular mass of 14381 Dalton.
GM-CSF Porcine Recombinant is purified by proprietary chromatographic techniques.
Source:
Escherichia Coli.
Physical Appearance:
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation:
GM-CSF Porcine was lyophilized with no additives.
Solubility:
It is recommended to reconstitute the lyophilized Granulocyte Macrophage Colony Stimulating Factor in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Stability:
Lyophilized Granulocyte Macrophage Colony Stimulating Factor although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution GMCSF 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.
Amino acid sequence:
The sequence of the first five N-terminal amino acids was determined and was found to be Ala-Pro-Thr-Arg-Pro.
Biological Activity:
The ED50 range= 15-30 ng/ml, determined by the dose dependent proliferation of TF-1 cells.
Protein content:
GMCSF quantitation was carried out by two independent methods:
1. UV spectroscopy at 280 nm using the absorbency value of 0.977 as the extinction coefficient for a 0.1% (1mg/ml) solution. This value is calculated by the PC GENE computer analysis program of protein sequences (IntelliGenetics).
2. Analysis by RP-HPLC, using a calibrated solution of GM-CSF as a Reference Standard.
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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