5-FAM-YVAD-FMK

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Shipping	Standard overnight for United States, inquire for international

Physical properties

Molecular weight	854.84
Solvent	DMSO

Spectral properties

Correction Factor (260 nm)	0.32
Correction Factor (280 nm)	0.178
Extinction coefficient (cm ^-1 M ^-1)	83000
Excitation (nm)	493
Emission (nm)	517

Storage, safety and handling

H-phrase	H303, H313, H333
Hazard symbol	XN
Intended use	Research Use Only (RUO)
R-phrase	R20, R21, R22
Storage	Freeze (< -15 °C); Minimize light exposure
UNSPSC	12352200

Overview SDS Protocol

Example protocol

AT A GLANCE

Important It is important to store at <-15 °C and should be stored in cool, dark place.
It can be used within 12 months from the date of receipt.

SAMPLE EXPERIMENTAL PROTOCOL

Following protocol only provides a guideline, and should be modified according to your specific needs.

Prepare a 10 mM stock solution in DMSO.
Prepare a 2X caspase substrate (50 µM) assay solution as the following: 50 µL substrate stock solution, 100 µL DTT (1M), 400 µL EDTA (100 mM), 10 mL Tris Buffer (20 mM), pH =7.4.
Mix equal volume of the caspase standards or samples with 2X caspase substrate assay solution, and incubate the solutions at room temperature for at least 1 hour.
Monitor the fluorescence using a fluorescence microplate reader, or absorbance using an absorbance microplate reader.

Cell Caspase Assays Using Cell-Permeable FMK Caspase Probes

Prepare a 2-5 mM stock solution in DMSO.
Treat cells as desired.
Prepare a 2X permeable caspase substrate (20 µM) assay solution by diluting the DMSO stock solution (from Step 2.1) in Hanks with 20 mM Hepes buffer (HHBS).
Mix equal volume of the treated cells with 2X caspase substrate assay solution (from Step 2.3), and incubate the cells in a 37 °C, 5% CO₂ incubator for at least1 hour.
Wash the cells with HHBS for at least once.
Monitor the fluorescence intensity by a flow cytometer, a fluorescence microscope or a fluorescence microplate reader.

Cell Caspase Assays Using Cell-Permeable FMK Caspase Probes (For #13470-13476 only)

Prepare a 250X stock solution by adding 50 µL DMSO into the vial.
Note For, Cat# 13483, prepare a 250X stock solution by adding 200 µL DMSO into the vial.
Treat cells as desired.
Add stock solution into the cell solution at a 1:250 ratio (such as 2 µL to 500 µL cells), and incubate the cells in a 37 °C, 5% CO2 incubator for 1 hour.
Wash the cells with HHBS for at least once.
Monitor the fluorescence intensity by flow cytometer, fluorescence microscopy or fluorescent microplate reader.

Calculators

Common stock solution preparation

Table 1. Volume of DMSO needed to reconstitute specific mass of 5-FAM-YVAD-FMK to given concentration. Note that volume is only for preparing stock solution. Refer to sample experimental protocol for appropriate experimental/physiological buffers.

	0.1 mg	0.5 mg	1 mg	5 mg	10 mg
1 mM	116.981 µL	584.905 µL	1.17 mL	5.849 mL	11.698 mL
5 mM	23.396 µL	116.981 µL	233.962 µL	1.17 mL	2.34 mL
10 mM	11.698 µL	58.49 µL	116.981 µL	584.905 µL	1.17 mL

Molarity calculator

Enter any two values (mass, volume, concentration) to calculate the third.

Mass (Calculate)		Molecular weight		Volume (Calculate)		Concentration (Calculate)		Moles
	/		=		x		=

Spectrum

Open in Advanced Spectrum Viewer

Spectral properties

Correction Factor (260 nm)	0.32
Correction Factor (280 nm)	0.178
Extinction coefficient (cm ^-1 M ^-1)	83000
Excitation (nm)	493
Emission (nm)	517

Images

Figure 1. Chemical structure for 5-FAM-YVAD-FMK.

Citations

View all 29 citations: Citation Explorer

The Dietary Flavonoid Fisetin Causes Cell Cycle Arrest, Caspase-Dependent Apoptosis, and Enhanced Cytotoxicity of Chemotherapeutic Drugs in Triple-Negative Breast Cancer Cells
Authors: Smith, M. L., Murphy, K., Doucette, C. D., Greenshields, A. L., Hoskin, D. W.
Journal: J Cell Biochem (2016): 1913-25

Contribution of membrane progesterone receptor alpha to the induction of progesterone-mediated apoptosis associated with mitochondrial membrane disruption and caspase cascade activation in Jurkat cell lines
Authors: Kon, A., Yuan, B., Hanazawa, T., Kikuchi, H., Sato, M., Furutani, R., Takagi, N., Toyoda, H.
Journal: Oncol Rep (2013): 1965-70

TNF induces caspase-dependent inflammation in renal endothelial cells through a Rho- and myosin light chain kinase-dependent mechanism
Authors: Wu, X., Guo, R., Chen, P., Wang, Q., Cunningham, P. N.
Journal: Am J Physiol Renal Physiol (2009): F316-26

Pan-caspase inhibition suppresses polyethylene particle-induced osteolysis
Authors: L, undefined and graeber, S., Jaeckel, S., Loer, F., Wedemeyer, C., Hilken, G., Canbay, A., Totsch, M., von Knoch, M.
Journal: Apoptosis (2009): 173-81

Inhibition of Caspase-Like Activities Prevents the Appearance of Reactive Oxygen Species and Dark-Induced Apoptosis in the Unicellular Chlorophyte Dunaliella Tertiolecta(1)
Authors: Segovia, M., Berges, J. A.
Journal: J Phycol (2009): 1116-26

Silvestrol, a potential anticancer rocaglate derivative from Aglaia foveolata, induces apoptosis in LNCaP cells through the mitochondrial/apoptosome pathway without activation of executioner caspase-3 or -7
Authors: Kim, S., Hwang, B. Y., Su, B. N., Chai, H., Mi, Q., Kinghorn, A. D., Wild, R., Swanson, S. M.
Journal: Anticancer Res (2007): 2175-83

Leptin induces interleukin-1beta release from rat microglial cells through a caspase 1 independent mechanism
Authors: Pinteaux, E., Inoue, W., Schmidt, L., Molina-Holgado, F., Rothwell, N. J., Luheshi, G. N.
Journal: J Neurochem (2007): 826-33

Lipopolysaccharide accelerates caspase-independent but cathepsin B-dependent death of human lung epithelial cells
Authors: Tang, P. S., Tsang, M. E., Lodyga, M., Bai, X. H., Miller, A., Han, B., Liu, M.
Journal: J Cell Physiol (2006): 457-67

Selective caspase activation may contribute to neurological dysfunction after experimental spinal cord trauma
Authors: Knoblach, S. M., Huang, X., VanGelderen, J., Calva-Cerqueira, D., Faden, A. I.
Journal: J Neurosci Res (2005): 369-80

C-terminal region of Bfl-1 induces cell death that accompanies caspase activation when fused with GFP
Authors: Yang, W. S., Ko, J. K., Park, S. O., Choi, H. Y., Kim, Y. N., Kim, C. W.
Journal: J Cell Biochem (2005): 1234-47

References

View all 26 references: Citation Explorer

Suppression of human T cell proliferation by the caspase inhibitors, z-VAD-FMK and z-IETD-FMK is independent of their caspase inhibition properties
Authors: Lawrence CP, Chow SC.
Journal: Toxicol Appl Pharmacol. (2012)

Inhibition of elicitation of allergic contact dermatitis by topical use of Z-VAD-FMK, a broad caspase inhibitor: experiment in mice
Authors: Li YY, Yan CL.
Journal: Zhonghua Yi Xue Za Zhi (2012): 1992

Structure of human caspase-6 in complex with Z-VAD-FMK: New peptide binding mode observed for the non-canonical caspase conformation
Authors: Muller I, Lamers MB, Ritchie AJ, Dominguez C, Munoz-Sanjuan I, Kiselyov A.
Journal: Bioorg Med Chem Lett (2011): 5244

Intracochlear perfusion of leupeptin and z-VAD-FMK: influence of antiapoptotic agents on gunshot-induced hearing loss
Authors: Abaamrane L, Raffin F, Schmerber S, Sendowski I.
Journal: Eur Arch Otorhinolaryngol (2011): 987

Plasmodium falciparum metacaspase PfMCA-1 triggers a z-VAD-fmk inhibitable protease to promote cell death
Authors: Meslin B, Beavogui AH, Fasel N, Picot S.
Journal: PLoS One (2011): e23867

Pretreatment with pancaspase inhibitor (Z-VAD-FMK) delays but does not prevent intraperitoneal heat-killed group B Streptococcus-induced preterm delivery in a pregnant mouse model
Authors: Equils O, Moffatt-Blue C, Ishikawa TO, Simmons CF, Ilievski V, Hirsch E.
Journal: Infect Dis Obstet Gynecol (2009): 749432

Attenuation of allergic contact dermatitis by Z-VAD-FMK, a broad caspase inhibitor: experiment with mice
Authors: Li YY, Yan CL, Xu W.
Journal: Zhonghua Yi Xue Za Zhi (2008): 3153

Bodipy-VAD-Fmk, a useful tool to study yeast peptide N-glycanase activity
Authors: Witte MD, Descals CV, de Lavoir SV, Florea BI, van der Marel GA, Overkleeft HS.
Journal: Org Biomol Chem (2007): 3690

Effects of caspase inhibitors (z-VAD-fmk, z-VDVAD-fmk) on Nile Red fluorescence pattern in 7-ketocholesterol-treated cells: investigation by flow cytometry and spectral imaging microscopy
Authors: Vejux A, Lizard G, Tourneur Y, Riedinger JM, Frouin F, Kahn E.
Journal: Cytometry A (2007): 550

Caspase inhibitor Z-VAD-FMK enhances the freeze-thaw survival rate of human embryonic stem cells
Authors: Heng BC, Clement MV, Cao T.
Journal: Biosci Rep (2007): 257