供货周期: | 一周 |
品牌: | |
规格: | 5μg/25μg/1mg |
货号: | CYT-300 |
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
IGFBP 3 Human
Insulin-Like Growth Factor Binding Protein-3 Human Recombinant
Catalog No. CYT-300
Synonyms:
Growth-hormone-dependant binding protein, IBP3, BP-53, IGFBP-3.
Introduction:
IGFBP3 is a member of the insulin-like growth factor binding protein (IGFBP) family and encodes a protein with an IGFBP domain and a thyroglobulin type-I domain. The protein forms a ternary complex with insulin-like growth factor acid-labile subunit (IGFALS) and either insulin-like growth factor (IGF) I or II. In this form, it circulates in the plasma, prolonging the half-life of IGFs and altering their interaction with cell surface receptors. Alternate transcriptional splice variants, encoding different isoforms, have been characterized.
Description:
IGFBP3 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 2x264 amino acids and having a molecular mass of 28806 Dalton.
IGFBP-3 is purified by proprietary chromatographic techniques.
Source:
Escherichia Coli.
Physical Appearance:
Sterile Filtered White lyophilized (freeze-dried) powder.
Formulation:
The protein was lyophilized with 20mM Tris HCL.
Solubility:
It is recommended to reconstitute the lyophilized Insulin-Like Growth Factor Binding Protein-3 in sterile 18MΩ-cm H2O not less than 100µg/ml, which can then be further diluted to other aqueous solutions.
Stability:
Lyophilized IBP3 although stable at room temperature for 3 weeks, should be stored desiccated below -18°C.
Upon reconstitution IGF-BP 3 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 98.0% 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 Gly-Ala-Ser-Ser-Gly.
Biological Activity:
The ED50, calculated by by its ability to inhibit IGF-II induced proliferation of MCF-7 is < 0.2 µg/ml in the presence of 15 ng/ml of Human IGF-II.
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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