ArticleProtein and peptide letters2024
Expression and Purification of His-Tagged Variants of Human Hepatitis A Virus 3C Protease.
Article in Protein and peptide letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 0 citations in OpenAlex.
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7 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundProtease 3C (3Cpro) is the only protease encoded in the human hepatitis A virus genome and is considered as a potential target for antiviral drugs due to its critical role in the viral life cycle. Additionally, 3Cpro has been identified as a potent inducer of ferroptosis, a newly described type of cell death. Therefore, studying the molecular mechanism of 3Cpro functioning can provide new insights into viral-host interaction and the biological role of ferroptosis. However, such studies require a reliable technique for producing the functionally active recombinant enzyme.
objectiveHere, we expressed different modified forms of 3Cpro with a hexahistidine tag on the N- or C-terminus to investigate the applicability of immobilized metal Ion affinity chromatography (IMAC) for producing 3Cpro.
methodsWe expressed the proteins in
resultsOur findings showed that the introduction and position of the hexahistidine tag did not affect the activity of the enzyme. However, the yield of the target protein was highest for the variant with seven C-terminal residues replaced by a hexahistidine sequence.
conclusionWe demonstrated the applicability of our approach for producing recombinant, enzymatically active 3Cpro.
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