208902
Calpastatin Peptide
A 27-amino acid, cell-permeable peptide encoded by exon 1B of human calpastatin that acts as a potent inhibitor of calpain I and calpain II (IC₅₀ = 20 nM for purified rabbit calpain II).
Sinónimos:
Calpastatin Peptide, CS Peptide
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About This Item
Fórmula empírica (notación de Hill):
C142H230N36O44S
Peso molecular:
3177.63
UNSPSC Code:
12352202
NACRES:
NA.77
Productos recomendados
Quality Level
assay
≥95% (HPLC)
form
lyophilized solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
desiccated (hygroscopic)
color
white
solubility
1% acetic acid: 1 mg/mL
water: 1 mg/mL
shipped in
ambient
storage temp.
−20°C
General description
A 27-amino acid, cell-permeable peptide encoded by exon 1B of human calpastatin that acts as a potent inhibitor of calpain I and calpain II (IC50 = 20 nM for purified rabbit calpain II). Does not inhibit either papain or trypsin. Blocks the down-regulation of protein kinase Cε (PKCε) in rat pituitary GH4C1 cells stimulated by thyrotropin-releasing hormone (TRH).
A 27-amino acid, peptide encoded by exon 1B of human calpastatin that acts as a cell-permeable and potent inhibitor of calpain I and calpain II (IC50 = 20 nM for purified rabbit calpain II). Does not inhibit either papain or trypsin. Blocks the down-regulation of protein kinase Cε (PKCε) in rat pituitary GH4C1 cells stimulated by thyrotropin-releasing hormone (TRH).
Biochem/physiol Actions
Cell permeable: yes
Primary Target
calpain 2
calpain 2
Product does not compete with ATP.
Reversible: no
Target IC50: 20 nM against calpain II
Warning
Toxicity: Standard Handling (A)
Sequence
Ac-Asp-Pro-Met-Ser-Ser-Thr-Tyr-Ile-Glu-Glu-Leu-Gly-Lys-Arg-Glu-Val-Thr-Ile-Pro-Pro-Lys-Tyr-Arg-Glu-Leu-Leu-Ala-NH₂
Physical form
Supplied as a trifluoroacetate salt.
Reconstitution
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Other Notes
Eto, A., et al. 1995. J. Biol. Chem. 270, 25115.
Kawasaki, J., et al. 1989. J. Biochem. 106, 274.
Maki, M., et al. 1989. J. Biol. Chem. 264, 18866.
Kawasaki, J., et al. 1989. J. Biochem. 106, 274.
Maki, M., et al. 1989. J. Biol. Chem. 264, 18866.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
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