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Ready-to-use fluorometric substrate for caspase-1/ICE and related caspases that recognize the amino acid sequence YVAD. Caspase-1 and related caspase activity can be quantified by fluorescent detection of free AFC after cleaved from the peptide substrate YVAD-AFC at Ex. = 400 nm and Em. = 505 nm, using a fluorometer or multi-well fluorescence plate reader. Alternatively, a shift in fluorescence from blue to green upon cleavage can be visualized, using a hand-held long-UV lamp. The ready-to-use caspase substrate provides an economic alternative for researchers who perform large volume caspase assays. Cell Lysis Buffer (Cat. #1067-100, -400) and 2X Reaction Buffer (Cat. #1068-20, -80), and DTT used for caspase assays are also available separately.

Additional Information

Synonyms	Ac-YVAD-AFC, Caspase-1 Substrate, Fluorogenic
Product #	C-2227
Chemical Name	Ac-YVAD-AFC, Caspase-1 Substrate, Fluorogenic
Formula	C33H36F3N5O10
MW	719.7
Appearance	Liquid
Purity	99% by HPLC
Storage Temp	-20°C
Use	A fluorogenic substrate for caspase-1 and caspase-4

Additional Information

MDL Number	MFCD01318881
ChemACX	X1219156-1
InChI	InChI=1S/C33H36F3N5O10/c1-15(2)28(41-31(49)23(38-17(4)42)11-18-5-8-20(43)9-6-18)32(50)37-16(3)29(47)40-24(14-26(44)45)30(48)39-19-7-10-21-22(33(34,35)36)13-27(46)51-25(21)12-19/h5-10,12-13,15-16,23-24,28,43H,11,14H2,1-4H3,(H,37,50)(H,38,42)(H,39,48)(H,40,47)(H,41,49)(H,44,45)/t16-,23-,24-,28-/m0/s1
SMILES	C[C@@H](C(=O)N[C@@H](CC(=O)O)C(=O)Nc1ccc2c(cc(=O)oc2c1)C(F)(F)F)NC(=O)[C@H](C(C)C)NC(=O)[C@H](Cc3ccc(cc3)O)NC(=O)C
Peptide Sequence	AC-TYR-VAL-ALA-ASP-AFC