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The Zika virus (ZIKV) NS2B‐NS3 protease is an important drug target. The conventional flaviviral protease constructs used for structural studies contain the NS2B cofactor region linked to the NS3 protease domain via a glycine‐rich flexible linker. Here, we examined the structural dynamics of this conventional Zika protease (gZiPro) using NMR spectroscopy. Although the glycine‐rich linker in gZiPro...
The NS2B-NS3 viral protease is an attractive drug target against Zika virus (ZIKV) due to its importance in viral replication and maturation. Here we report the crystal structure of protease in complex with a dipeptide inhibitor, Acyl-KR-aldehyde (compound 1). The aldehyde moiety forms a covalent bond with the catalytic Ser135 of NS3. The Arg and Lys residues in the inhibitor occupy the S1 and S2...
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