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Oligoarginine peptides

Cys(Npys)-(D-Arg)9

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CAT#
GR1108
Sequence
C(Npys)-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-NH2
M.W/Mr.
1680.1
Description
This is a peptide composed of 9 D-Arginine residues and an activated cysteine residue C(Npys), wherein Npys is 3-Nitro-2-pyridinesulfenyl group protects cysteine. This kind of modification has been used to render this peptide as a carrier peptide applicable in conjugation and cell permable studies. 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.
Storage
-20°C
Solubility
Soluble in water for a solution up to 3 mg/ml, otherwise acetonitrile is recommend. Avoid repeated freezing and thawing.
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