- Product NameRecombinant Human Persephin
- Host SpeciesEscherichia coli.
- Purification> 97 % by SDS-PAGE and HPLC analyses.
- Biological ActivityFully 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 10 ng/ml, corresponding to a specific activity of > 1.0 x105 IU/mg.
- EndotoxinLess than 0.1 EU/ug of rHuPersephin as determined by LAL method.
- UniprotP06734
- Gene ID2208
- Calculated MW Approximately 20.5 kDa, a disulfide-linked homodimer of two 96 amino acid polypeptide chains.
- Target Sequence ALSGPCQLWS LTLSVAELGL GYASEEKVIF RYCAGSCPRG ARTQHGLALA RLQGQGRAHG GPCCRPTRYT DVAFLDDRHR WQRLPQLSAA ACGCGG
- Formulation Lyophilized from a 0.2 μm filtered concentrated solution in PBS, pH 7.4.
- 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.