Cys(Npys)-(D-Arg)9
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Cys(Npys)-(D-Arg)9

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It is a peptide consisting of 9 D-arginine residues and one activated cysteine residue C(Npys), where Npys is 3-Nitro-2-pyridinesulfenyl group protects cysteine. This modification has been used to make the peptide suitable for conjugation and cell permeability studies as a carrier peptide. 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.

Category
Functional Peptides
Catalog number
BAT-013308
Molecular Formula
C62H118N40O12S2
Molecular Weight
1679.99
Synonyms
H-Cys(Npys)-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-D-Arg-NH2; S-(3-nitropyridin-2-yl)sulfanyl-D-cysteinyl-D-arginyl-D-arginyl-D-arginyl-D-arginyl-D-arginyl-D-arginyl-D-arginyl-D-arginyl-D-argininamide
Appearance
Lyophilized Solid
Purity
≥95%
Density
1.6±0.1 g/cm3
Sequence
C(Npys)RRRRRRRRR-NH2 (all R amino acids are d-form amino acids)
Storage
Store at -20°C
Solubility
Soluble in water for a solution up to 3 mg/ml, otherwise acetonitrile is recommended. Avoid repeated freezing and thawing.
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