34115-M
N-Ethylmaleimide
Sulfhydryl alkylating reagent that inhibits H+-ATPase and suppresses the short circuit current (IC₅₀ = 22 µM) in pancreatic duct cells.
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Synonym(s):
N-Ethylmaleimide, NEM
Empirical Formula (Hill Notation):
C6H7NO2
Recommended Products
Quality Level
Assay
≥98% (HPLC)
form
solid
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
color
white
solubility
ethanol: 5 mg/mL
storage temp.
10-30°C
InChI
1S/C6H7NO2/c1-2-7-5(8)3-4-6(7)9/h3-4H,2H2,1H3
InChI key
HDFGOPSGAURCEO-UHFFFAOYSA-N
General description
Sulfhydryl alkylating reagent that inhibits H+-ATPase and suppresses the short circuit current (IC50 = 22 µM) in pancreatic duct cells. Inactivates NADP-dependent isocitrate dehydrogenase. Also a potent inhibitor of both Mg2+ and Ca2+/Mg2+-stimulated DNA fragmentation in rat liver nuclei. Stimulates arachidonic acid release through activation of PLA2 in endothelial cells.
Sulfhydryl alkylating reagent. Has been used for blocking sulfhydryl containing reagents which interfere with glucose oxidase assays. Inactivates NADP-dependent isocitrate dehydrogenase. Endonuclease inhibitor. Also a potent inhibitor of both Mg2+ and Ca2+/Mg2+-stimulated DNA fragmentation in rat liver nuclei.
Biochem/physiol Actions
Primary Target
H+-ATPase
H+-ATPase
Target IC50: 22 µM in suppressing short circuit current
Warning
Toxicity: Corrosive (L)
Reconstitution
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Other Notes
Huang, Y.C., et al. 1995. Arch. Biochem. Biophys. 316, 485.
Neve, E.P.A., et al. 1995. Biochem. Pharmacol. 49, 57.
Cain, K., et al. 1994. Biochem. Cell Biol.72, 631.
Banger, K.K., et al. 1993. Biochem. J. 290, 199.
Mattingly, J.R., Jr., et al. 1993. J. Biol. Chem. 268, 3925.
Neve, E.P.A., et al. 1995. Biochem. Pharmacol. 49, 57.
Cain, K., et al. 1994. Biochem. Cell Biol.72, 631.
Banger, K.K., et al. 1993. Biochem. J. 290, 199.
Mattingly, J.R., Jr., et al. 1993. J. Biol. Chem. 268, 3925.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 2 Oral - Acute Tox. 3 Dermal - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1
WGK
WGK 3
Certificates of Analysis (COA)
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