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Description
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Key Properties
−| Source | Escherichia coli |
|---|---|
| Expression System | Escherichia coli |
| Biological Activity | Fully biologically active when compared to standard. The ED50 as determined by a cell proliferation assay using human TT medullary thyroid cancer cells is less than 0.1 ng/ml, corresponding to a specific activity of > 1.0 x107 IU/mg. |
| Endotoxins | Less than 0.1 EU/ug of rMuPersephin as determined by LAL method. |
| MW | Approximately 20.7 kDa, a disulfide-linked homodimer of two 96 amino acid polypeptide chains. |
| Purity | > 95 % by SDS-PAGE and HPLC analyses. |
| Protein Sequence | ALAGSCRLWS LTLPVAELGL GYASEEKVIF RYCAGSCPQE ARTQHSLVLA RLRGRGRAHG RPCCQPTSYA DVTFLDDQHH WQQLPQLSAA ACGCGG |
Storage & Handling
−| Storage | Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution. |
|---|---|
| Form/Appearance | Lyophilized from a 0.2 μm filtered concentrated solution in 30 % ACN, 0.1 % TFA, 150 mM NaCl. |
| Expiration Date | 6 months from date of receipt. |
| Disclaimer | For research use only |
Similar Products
−Murine Persephin protein [orb223876]
SDS-PAGE
Unconjugated
> 95% by SDS-PAGE and HPLC analyses.
20.7 kDa
E. coli
5 μg, 100 μg, 500 μg
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Protein Handling Guide
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