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Recombinant Human Persephin Protein

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SDS-Page: Recombinant Human Persephin Protein [NBP2-35208]

Product Details

Summary
Reactivity HuSpecies Glossary
Applications PAGE, Bioactivity
Format
Carrier-Free
Concentration
LYOPH

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Recombinant Human Persephin Protein Summary

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.

Applications/Dilutions

Dilutions
  • Bioactivity
  • SDS-Page
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.

Packaging, Storage & Formulations

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.

Notes

This lyophilized preparation is stable at 2-8 degrees C, but should be kept at -20 degrees C for long term storage, preferably desiccated. Upon reconstitution, the preparation is most stable at -20 to -80 degrees C, and can be stored for one week at 2-8 degrees C. For maximal stability, apportion the reconstituted preparation into working aliquots and store at -20 degrees C to -80 degrees C. Avoid repeated freeze/thaw cycles.

Alternate Names for Recombinant Human Persephin Protein

  • Persephin
  • PSP
  • PSPN

Background

Persephin belongs to the GDNF ligand subfamily of the TGF-beta superfamily. It promotes the survival and growth of central dopaminergic and motor neurons, and also is involved in kidney development. But persephin does not support survival of peripheral neurons.

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Peptides and proteins are guaranteed for 3 months from date of receipt.

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Bioinformatics

Gene Symbol PSPN
Uniprot