Oligoarginine peptides

Cys(Npys)-(Arg)9

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CAT#
GR1107
Sequence
C(Npys)-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-Arg-NH2
M.W/Mr.
1680.1
Description
This is a peptide comprising of 9 Arginine residues and is synthesized with an activated cysteine residue C(Npys), wherein Npys is 3-Nitro-2-pyridinesulfenyl group protects cysteine..The S(Npys) group of this cysteine-containing 9R is capable of reacting selectively with the free thiol group of another cysteine-containing peptide to form an unsymmetrical disulfide bond. Coupling of sulfhydrils has been studied as an effective means to deliver/release therapeutics such as siRNA in the reducing environment within the cell.
Storage
-20°C
Solubility
Soluble in water for a solution up to 2 mg/ml, otherwise acetonitrile is recommend. Avoid repeated freezing and thawing.

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