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Ac-DEVD-AFC fluorogenic substrate for activated caspase-3

Catalog No.C5524
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1mg
$44.00
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5mg
$165.00
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10mg
$308.00
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Sample solution is provided at 25 µL, 10mM.

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Chemical structure

Ac-DEVD-AFC

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Chemical Properties

Cas No. 201608-14-2 SDF Download SDF
Synonyms N-Acetyl-Asp-Glu-Val-Asp-7-amido-4-Trifluoromethylcoumarin,Caspase-3 Substrate (Fluorogenic)
Chemical Name N-acetyl-L-α-aspartyl-L-α-glutamyl-L-valyl-N-[2-oxo-4-(trifluoromethyl)-2H-1-benzopyran-7-yl]-L-α-asparagine
Canonical SMILES CC(N[[email protected]@H](CC(O)=O)C(N[[email protected]](C(N[[email protected]@H](C(C)C)C(N[[email protected]@H](CC(O)=O)C(NC1=CC(OC(C=C2C(F)(F)F)=O)=C2C=C1)=O)=O)=O)CCC(O)=O)=O)=O
Formula C30H34F3N5O13 M.Wt 729.6
Solubility >7.29mg/mL in H2O Storage Store at -20°C
Shipping Condition Evaluation sample solution : ship with blue ice.All other available size: ship with RT , or blue ice upon request
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.

Background

Ac-DEVD-AFC is a fluorogenic substrate for activated caspase-3 (CPP32) with Km value of 9.7 μM, and related cysteine proteases [1][2].

Apoptosis is a process of programmed cell death that occurs in multicellular organisms. Caspase are a family of protease enzymes playing essential roles in programmed cell death (including apoptosis, pyroptosis and necroptosis) and inflammation. Caspase activation is a major event in apoptosis. Caspase-3 cleaves and activates caspases 6 and 7, and is processed and activated by caspases 8, 9, and 10 [1][2][3].

Ac-DEVD-AFC (N-Acetyl-Asp-Glu-Val-Asp-7-amido-4-Trifluoromethylcoumarin) is a fluorogenic substrate for activated caspase-3 and related caspases. During apoptosis, activated caspase-3 cleaves poly (ADP-ribose) polymerase, which it specifically targets at the amino sequence Asp-Glu-Val-Asp (DEVD). Sequence is based on PARP cleavage at Asp216 for caspase-3 [1][2]. Caspase activity can be quantified by fluorescent detection of free AFC (7-amino-4-trifluoromethylcoumarin) at excitation 400 nm and emission 505 nm [2].

References:
[1].  Lazebnik YA1, Kaufmann SH, Desnoyers S, et al. Cleavage of poly(ADP-ribose) polymerase by a proteinase with properties like ICE. Nature. 1994 Sep 22;371(6495):346-7.
[2].  Xiang, J.,Chao, D.T., and Korsmeyer, S.J. BAX-induced cell death may not require interleukin 1β-converting enzyme-like proteases. Proceedings of the National Academy of Sciences of the United States of America 93, 14559-14563 (1996).