- Product NameRecombinant Murine Persephin
- Host SpeciesEscherichia coli.
- Purification> 95 % 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 0.1 ng/ml, corresponding to a specific activity of > 1.0 x107 IU/mg.
- EndotoxinLess than 0.1 EU/ug of rMuPersephin as determined by LAL method.
- UniprotO70300
- Calculated MW Approximately 20.7 kDa, a disulfide-linked homodimer of two 96 amino acid polypeptide chains.
- Target Sequence ALAGSCRLWS LTLPVAELGL GYASEEKVIF RYCAGSCPQE ARTQHSLVLA RLRGRGRAHG RPCCQPTSYA DVTFLDDQHH WQQLPQLSAA ACGCGG
- Formulation Lyophilized from a 0.2 μm filtered concentrated solution in 30 % ACN, 0.1 % TFA, 150 mM NaCl.
- 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.