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聯(lián)系我時(shí),請(qǐng)告知來(lái)自 環(huán)保在線PDGF BB Human, Yeast /重組人血小板源生長(zhǎng)因子-BB,酵母 產(chǎn)品編號(hào):CYT-242
產(chǎn)品規(guī)格:2μg/10μg/1mg
Synonyms | Glioma-derived growth factor, GDGF, Osteosarcoma-derived Growth Factor, ODGF, SIS, SSV, PDGF2, c-sis, FLJ12858, PDGF-BB, PDGF B-chain, Plaet-derived growth factor beta polypeptide, Becaplermin. |
Introduction | PDGF-BB is a member of the plaet-derived growth factor family. The four members of this family are mitogenic factors for cells of mesenchymal origin and are characterized by a motif of eight cysteines. This gene product can exist either as a homodimer (PDGF-BB) or as a heterodimer with the plaet-derived growth factor alpha polypeptide (PDGF-AB), where the dimers are connected by disulfide bonds. Mutations in this gene are associated with meningioma. Reciprocal translocations between chromosomes 22 and 7, at sites where this gene and that for COL1A1 are located, are associated with a particular type of skin tumor called dermatofibrosarcoma protuberans resulting from unregulated expression of growth factor. Two splice variants have been identified for this gene. |
Description | Plaet-Derived Growth Factor BB Human Recombinant is a homodimeric, glycosylated, polypeptide chain containing 109 amino acids and having a molecular mass of 32,021 Dalton. PDGF-BB is purified by proprietary chromatographic techniques. |
Source | Saccharomyces cerevisiae. |
Physical Appearance | Sterile Filtered White lyophilized (freeze-dried) powder. |
Formulation | The protein was lyophilized from 0.2 μm filtered solution in 20mM sodium acetate in absence of any carrier protein. |
Solubility | It is recommended to reconstitute the lyophilized Plaet-derived Growth Factor-BB in sterile 18MΩ-cm H2O not less than 100μg/ml, which can then be further diluted to other aqueous solutions. |
Stability | Lyophilized Plaet-derived Growth Factor BB although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution PDGF BB should be stored at 4°C between 2-7 days and for future use below -18°C. Please prevent freeze-thaw cycles. |
Purity | Greater than 97.0% 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 Ser-Leu-Gly-Ser-Leu. |
Biological Activity | The ED50, calculated by the dose-dependant proliferation of BALB/c 3T3 indicator cells (measured by 3H-thymidine uptake) is < 1 ng/ml, corresponding to a Specific Activity of 1 MIU/mg. |
Protein content | Protein quantitation was carried out by two independent methods 1. UV spectroscopy at 280 nm using the absorbency value of 0.55 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 PDGF-BB 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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