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Encompassing Amino Acids: 21-32 of NS4A, linker (4 a.a.) and a.a. 3-181 of NS3
Amino Acid Sequence: MDYKDDDDKHHHHHHGCVVIVGRIVLSGSGSITAYAQQTRGLLGCIITSLTGRDKNQVEGEVQIVSTATQTFLATCINGVCWTVYHGAGTRTIASPKGPVIQMYTNVDQDLVGWPAPQGSRSLTPCTCGSSDLYLVTRHADVIPVRRRGDSRGSLLSPRPISYLKGSSGGPLLCPAGHAVGLFRAAVCTRGVAKAVVFIPVENLETTMRS
Applications: Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling.
Description: Fusion protein corresponding to the serine protease NS3 (a.a. 3-181) and cofactor NS4A (a.a. 21-32) from Hepatitis C virus genotype 1a (GenBank Accession No. NC_004102) with Asp-to-Val mutation on a.a. 168, an N-terminal FLAG-His tag, and a 4 a.a. linker, MW = 22.4 kDa, expressed in an E. coli expression system.
Format: Aqueous buffer solution
Formulation: 40 mM Tris-HCl, pH 8.0, 110 mM NaCl, 2.2 mM KCl, 0.04% Tween-20, 20% glycerol, and 250 mM imidazole.
Genbank: NC_004102
Storage Stability: At least 6 months at -80°C.
Tags: N-terminal FLAG-His-tags
Uniprot: P27958
Warnings: Avoid freeze/thaw cycles.
Biosafety Level: Not applicable (BSL-1)
References: 1. Lin, C., et al., Hepatitis C Virus. Norfolk (UK): Horizon Bioscience; 2006. Chapter 6.
2. Prabhu, R., et al., Exp Mol Pathol. 2004 Jun;76(3):242-52.