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P4274

Sigma-Aldrich

Poly(Lys, Tyr) hydrobromide

Lys:Tyr (1:1), mol wt 50,000-150,000

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About This Item

CAS Number:
41705-04-8
MDL number:
MFCD00166436
UNSPSC Code:
12352202
NACRES:
NA.26

form

solid

Quality Level

200

feed ratio

Lys:Tyr (1:1)

mol wt

50,000-150,000

storage temp.

−20°C

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Analysis Note

Molecular weight based on viscosity.

Other Notes

For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

P4274-BULK:
P4274-25MG:
P4274-10MG:
P4274-250MG:
P4274-500MG:
P4274-100MG:
P4274-VAR:

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Shaoqian Liu et al.
Biochemical and biophysical research communications, 339(3), 761-768 (2005-12-01)
Much attention has recently been paid to the study of positively charged polypeptides as a possible carrier for therapeutic protein or DNA delivery to cells. In this study, we have investigated the translocation of positively charged copoly(Lys/Tyr) (MW=72000, DP=385) across
Akira Shibata et al.
Biochimica et biophysica acta, 1616(2), 147-155 (2003-10-17)
Several membrane-transporting peptides (MTP) containing basic amino acid residues such as Lys and Arg that carry macromolecules such as DNA and proteins across cell plasma membranes by an unknown mechanism have been actively studied. On the basis of these results

Articles

Poly(Amino Acid) Block Copolymers for Drug Delivery and other Biomedical Applications

Humankind has utilized protein materials throughout its existence, starting with the use of materials such as wool and silk for warmth and protection from the elements and continuing with the use of recombinant DNA techniques to synthesize proteins with unique and useful properties.

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