SensoLyte® 440 West Nile Virus Protease Assay Kit Fluorimetric - 1 kit

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  • Cat.Number : AS-72079
  • Availability :
    In stock
  • Shipping conditions : Ice delivery fees must be applied

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West Nile virus (WNV) causes severe neurological disease and fatalities in both human and animal hosts. There is currently no effective vaccine or antiviral drug to protect against WNV infection. The West Nile virus NS3 protease, essential for the proteolytic processing of the viral polyprotein precursor, is a promising target for the development of anti-WNV drugs.
The SensoLyte® 440 West Nile Virus Protease Assay Kit provides a convenient homogenous assay for high throughput screening of WNV protease inhibitors and for continuous assay of NS3 protease activity using a fluorogenic Pyr-RTKR-AMC peptide. Upon NS3 protease cleavage, Pyr-RTKR-AMC generates the AMC fluorophore that has bright blue fluorescence and can be detected at excitation/emission=380 nm/460 nm.


Kits components
  • Component A: Pyr-RTKR-AMC, WNV protease substrate, Ex/Em=380 nm/460 nm: 5mM DMSO solution, 250 µL Component B: AMC, fluorescence reference standard, Ex/Em=380 nm/460 nm: 5 mM DMSO solution, 10 µL Component C: Assay Buffer: 2 x 50 mL Component D: WNV Protease Inhibitor undeca-D-Arg-NH2: 1 mM DMSO solution, 10 µL
Absorbance (nm)
  • 380
Emission (nm)
  • 460
Storage & stability
Storage Conditions
  • Store all components at -20°C. Component C can be stored at room temperature for convenience. Protect Components A and B from light and from moisture.
Biomarker Target
Detection Method
Research Area
Sub-category Research Area
  • Research use
Code Nacres
  • NA.32

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Discovery, Synthesis, and in vitro Evaluation of West Nile Virus Protease Inhibitors Based on the 9,10‐Dihydro‐3H,4aH‐1,3,9,10a‐tetraazaphenanthren‐4‐one Scaffold

Chem Med Chem . 2010 Apr 30 ; 7(7) 1210 | DOI :

  • S. Samanta
  • et al

Crystal Structure of a Novel Conformational State of the Flavivirus NS3 Protein: Implications for Polyprotein Processing and Viral Replication

J Virol. . 2009 Sep 30 ; 83(24) 12895 | DOI : 10.1128/JVI.00942-09

  • R. Assenberg,
  • et al