Recombinant Human Persephin (PSPN) (E. coli)
Cat. No.
Z102495
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Specifications
| Description | Persephin is a disulfide-linked homodimeric neurotrophic factor belonging to the Transforming Growth Factor-beta (TGF-beta) superfamily and the GDNF sub-family. One cysteine residue, out of the seven conserved, is used for inter-chain disulfide bridging while the others form a cysteine knot ring formation. It signals through RET and one of the four GFR-alpha (alpha-1, alpha-2, alpha-3, alpha-4) receptors to promote the proper development and maintenance of the nervous system. Persephin promotes survival of dopaminergic neurons in the midbrain as well as some motor neurons, and promotes branching of ureteric buds. |
| SKU | Z102495 |
| Unit quantity | 20 µg |
| Family | TGF-beta Super-family |
| Aliases | PSP |
| Gene Symbol | PSPN |
| Gene ID | 5623 |
| Accession Number | O60542 |
| Source | E. coli |
| Species | Human (H. sapiens) |
| Appearance | Lyophilized Powder |
| Molecular Weight | 10.7 kDa |
| Endotoxin Level | <1.0 EU/µg of recombinant protein as determined by the LAL method |
| Purity | >95% as determined by SDS-PAGE |
| Formulation | Lyophilized from a 0.2 µm filtered solution in Acetonitrile and TFA (with BSA as a carrier protein) |
| Function | The ED50 is 4.0-16.0 ng/mL as determined by a cell proliferation assay |
| Reconstitution | Reconstitute in sterile 4mM HCl at 100µg/mL (containing at least 0.1% human or bovine serum albumin) |
| Storage | The lyophilized protein is stable for at least one year from date of receipt at -70°C. Upon reconstitution, this cytokine can be stored in working aliquots at 2° - 8°C for one month, or at -20°C for six months, with a carrier protein without detectable loss of activity. Avoid repeated freeze/thaw cycles. |
| Usage | For research use only. Not for diagnostic or therapeutic use. |
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