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P5660 Sigma

3-sn-Phosphatidyl-L-serine sodium salt from bovine brain

≥95% (TLC)

Synonym: 1,2-Diacyl-sn-glycero-3-phospho-L-serine, L-α-Phosphatidyl-L-serine sodium salt

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Description

Frequently Asked Questions

Frequently Asked Questions are available for this Product.

Biochem/physiol Actions

A slowly metabolized structural phospholipid found mainly in gray matter.

Caution

Solutions exposed to room temperature will decompose about 0.5% per day.

Packaging

5, 25, 100 mg in ampule

Preparation Note

Washed with EDTA and converted to a sodium salt.

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Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Certificate of Origin

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis. These documents are located on the product detail page under Useful Links & Tools. Click on the following link to search for a Certificate of Analysis. Please click the following link to see the details on our Product Dating Information.
How do I get lot-specific information or a Certificate of Analysis?
A Certificate of Analysis is available by lot number and can be obtained through our Advanced Search Option: http://www.sigmaaldrich.com/catalog/AdvancedSearchPage.do
What is the molecular weight of Product P5660, 3-sn-Phosphatidyl-L-serine sodium salt from bovine brain?
The molecular weight of this compound is approximately 812.1 g/mole. This molecular weight assumes that stearoyl and oleoyl are the prodimant fatty acids in the compound.  Phosphatidylserine may have a number of different fatty acid residues associated with it.  Our analyses of multiple lots of phosphatidylserine identified average fatty acid percentages of approximately 40% for stearic acid and 30% for oleic acid.
What is Product P5660, 3-sn-Phosphatidyl-L-serine sodium salt from bovine brain, soluble in?
This product is soluble in chloroform:methanol (95:5 v/v) at a concentration of 50 mg/mL. It will likely form a suspension or emulsion in deionized water at a concentration of 1 mg/mL or higher.
What is the solution stability of Product P5660, 3-sn-Phosphatidyl-L-serine sodium salt from bovine brain?
Solutions can be divided into aliquots and stored at -20 °C. We have no information as to how long the solutions will be stable. Solution stability is enhanced when the compound is protected from oxygen, because the unsaturated fatty acids are subject to oxidation. To protect from oxidation, dissolve the compound in solvents in which oxygen has been removed and replaced with an inert gas such as nitrogen or argon.
Is 3-sn-Phosphatidyl-L-serine sodium salt from bovine brain available in solution?
Yes. Product No. P6641 is a ready-to-use solution of phosphatidylserine in a chloroform:methanol mixture.
Do you have any inhibitors for Protein Kinase C (PKC)?
Yes. Two examples are Product No. C6303 (Calphostin C from Cladosporium cladosporioides) and Product No. C2932 (Chelerythrine chloride).
How do I find price and availability?
There are several ways to find pricing and availability for our products.  Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers. 
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS. To access the shipping information for this material, use the link on the product detail page for the product, or search here. 
My question is not addressed here, how can I contact Technical Service for assistance?
Use the option to the right to "Ask a Question" by email of a Technical Service Scientist.
What is Product P5660, 3-sn-Phosphatidyl-L-serine sodium salt, commonly used for?
Phosphatidylserine is important in enzymatic assays of purified protein kinase C. During activation of this enzyme, as part of the signal transduction process, phosphatidylserine, which is located on the inside of cellular plasma membranes, binds to cysteine residue domains on protein kinase C. Phosphatidylserine can be used as a standard in thin-layer chromatography and for artificial membrane studies such as in lipsome research.
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Protocols & Articles
Peer-Reviewed Papers
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References

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