| 货号 | 规格 | 价格 |
|---|---|---|
| FL157 | ||
| 10μg | ¥198.00 | |
| 100μg | ¥998.00 | |
| 1mg | ¥4080.00 |
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| Appearance | Sterile filtered White lyophilized (freeze-dried) powder. |
|---|---|
| Purity | > 97% by SDS-PAGE or HPLC. |
| Endotoxin | < 0.1 EU/μg of rHuTβ-4 protein as determined by LAL method. |
| Expression System | Expressed in E. coli. |
| Species | Human |
| Tag | Tag free. |
| Activity | Fully biologically active when compared to standard. The biological activity determined by its ability to produce a protective effect against hydrogen peroxide in primary lung fibroblasts is in a concentration range of 0.5-10 μg/ml. |
| Formulation | Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.2. |
| Reconstitution | Before use this product, please read the direction below carefully. This vial must be briefly centrifuged prior to opening to bring the contents to the bottom. Reconstitute in a sterile distilled water or aqueous buffer containing 0.1% BSA to a concentration of 0.1-1.0 mg/ml. Stock solutions should be apportioned into working aliquots and stored at ≤ -20℃. Further dilutions should be made in appropriate buffered solutions. |
| Accession # | P62328 Ser2-Ser44 |
|---|---|
| Amino acid sequence | SDKPDMAEIEKFDKSKLKKTETQEKNPLPSKETIEQEKQAGES |
| Molecular weight | Approximately 4.9 kDa, a single non-glycosylated polypeptide chain containing 43 amino acids. |
| Synonyms | Fx |
| Stability & Storage | Shipped on wet ice. For long term storage, the product should be stored ≤ -20℃. Please avoid repeated freeze-thaw cycles after reconstitution. 36 months from date of receipt, -20 to -70℃ as supplied. 1 month, 2 to 8℃ under sterile conditions after reconstitution. 3 months, -20 to -70℃ under sterile conditions after reconstitution. |
| Precautions | Recombinant Human Thymosin beta 4 is for research use only and not for use in diagnostic or therapeutic procedures. |
| Thymosin Beta 4 is a naturally occurring peptide encoded by the TMSB4X gene located on Chr. X in humans. It is found in high concentrations in blood platelets, wound fluid and other tissues in the body. Tβ-4 is a major actin regulating peptide and the primary function is to stimulate the productions of T cells, which plays important part of the immune system. The thymosin beta-4 peptide, if used after a heart attack, might reactivate cardiac progenitor cells to repair damaged heart tissue. Recombinant Human Tβ-4 is a 4.9kDa protein containing 44 amino acid residues. |
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