Reactivity | HuSpecies Glossary |
Applications | PAGE, Bioactivity |
Format | Carrier-Free |
Concentration | LYOPH |
Description | A disulfide-linked homodimer of two 96 amino acid polypeptide chains corresponding to Persephin Source: E. coli Uniprot ID: P06734 Amino Acid Sequence: ALSGPCQLWS LTLSVAELGL GYASEEKVIF RYCAGSCPRG ARTQHGLALA RLQGQGRAHG GPCCRPTRYT DVAFLDDRHR WQRLPQLSAA ACGCGG |
Details of Functionality | Persephin Protein is 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 10 ng/ml, corresponding to a specific activity of > 1.0 x 10^5 IU/mg. |
Source | E. coli |
Protein/Peptide Type | Recombinant Protein |
Gene | PSPN |
Purity | > 97 % pure by SDS-PAGE and HPLC |
Endotoxin Note | Less than 0.1 EU/ug of Persephin as determined by LAL method. |
Dilutions |
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Theoretical MW | 20.5 kDa. Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors. |
Storage | Store at -20 to -70C as supplied. After reconstitution, store at 2 to 8C for 1 month and at -20 to -70C for long term storage. Avoid repeated freeze-thaw cycles. |
Buffer | Lyophilized from a 0.2 um filtered concentrated solution in PBS, pH 7.4. |
Preservative | No Preservative |
Concentration | LYOPH |
Purity | > 97 % pure by SDS-PAGE and HPLC |
Reconstitution Instructions | Recommended to centrifuge prior to opening. Reconstitute in 4 mM HCl to a concentration of 0.1-1.0mg/mL. Apportion stock solutions into working aliquots and store at <-20C. |
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