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當前位置：上海易佰聚經貿有限公司>>以色列Prospec細胞因子>> 重組人骨形態發生蛋白2（rHuBMP-2）
重組人血小板生成素TPO/Thrombopoietin CHO
| CYT-261 | 重組人骨形態發生蛋白2（rHuBMP-2） | 2μg/10μg/1mg | Prospec |
| Background : | |
| Belongs to the Bone-growth regulatory factors that are members of the transforming growth factor-beta （TGF-beta） superfamily of proteins. They are synthesized as large precursor molecules which are cleaved by proteolytic enzymes. The active form can consist of a dimer of two identical proteins or a heterodimer of two related bone morphogenetic proteins. | |
 | Description : |
| Recombinant Human Bone Morphogenetic protein-2 produced in E.Coli is a homodimeric, non-glycosylated, Polypeptide chain containing 115 amino acids and having a molecular mass of 26018 Dalton. BMP-2 is purified by proprietary chromatographic techniques. | |
| Physical Appearance: |
| Sterile Filtered White lyophilized （freeze-dried） powder. | |
| Formulation: |
| BMP-2 was lyophilized from a concentrated （1mg/ml） sterile solution containing 10mM sodium citrate pH=3.5. | |
| Solubility: |
| It is recommended to reconstitute the lyophilized rhBMP-2 in sterile 20mM AcOH （acetic Acid） not less than 100µg/ml, which can then be further diluted to other aqueous solutions | |
| Stability: |
| Lyophilized BMP-2 although stable at room temperature for 3 weeks, should be stored desiccated below -18 C. Upon reconstitution BMP-2 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 avoid freeze-thaw cycles. | |
| Purity: |
| Greater than 95.0% as determined by: （a） Analysis by RP-HPLC. （b） Anion-exchange FPLC. （c） Analysis by reducing and non-reducing SDS-PAGE Silver Stained gel. | |
| Amino acid sequence: |
| The sequence of the first five N-terminal amino acids was determined and was found to be Met-Gln-Ala-Lys-His. | |
| Dimers and aggregates: |
| Less than 1% as determined by silver-stained SDS-PAGE gel analysis. | |
| Biological Activity: |
| ProSpec's BMP-2 is fully biologically active when compared to standard. The ED50 as determined by the cytolysis of MC3T3-E1 cells is less then 50 ng/ml. | |
| Endotoxin: |
| Less than 0.1 ng/µg （IEU/µg） of Bone Morphogenetic protein-2 . | |
| Protein content: |
| Protein quantitation was carried out by two independent methods: 1. UV spectroscopy at 280 nm using the absorbency value of 1.4 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 （InliGenetics）. 2. Analysis by RP-HPLC, using a standard solution of BMP-2 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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