Recombinant 2019-nCoV PLpro/papain-like protease, part of a large replicase polyprotein 1ab (E1564-Y1882), was expressed in E. coli cells with an N-terminal His tag.
Catalog No. C19PL-G241H
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2019-nCoV papain-like protease (PLpro), also known as SARS-CoV-2 PLpro, is a virally encoded cysteine protease that acts on three cleavage sites of the viral polyprotein to release mature non-structural proteins (nsp) 1, 2 and 3, a process that is essential for viral replication. In addition, PLpro possesses deubiquitinating and deISGylating activities, thus negatively regulating the ubiquitin and ISG15-dependent host immune response during viral infection. PLpro also participates together with nsp4 in the assembly of virally-induced cytoplasmic double-membrane vesicles necessary for viral replication.
1. Wu F. et al: A new coronavirus associated with human respiratory disease in China. Nature 579: 265-269, 2020
2. Báez-Santos Y. M. et al: The SARS-coronavirus papain-like protease: structure, function and inhibition by designed antiviral compounds. Antiviral Res. 115: 21-38, 2015
3. Lindner H. A. et al: The papain-like protease from the severe acute respiratory syndrome coronavirus is a deubiquitinating enzyme. J Virol. 79:15199-15208, 2005
Sample Activity Plot. For specific information on a given lot, see related technical data sheet.
PLpro inhibition profile in the presence of various concentrations of PR-619, a broad spectrum and reversible DUB inhibitor.
Sample Purity Data. For specific information on a given lot, see related technical data sheet.
Storage, Stability, and Shipping:
Store product at –70oC. For optimal storage, aliquot target into smaller quantities after centrifugation and store at recommended temperature. For most favorable performance, avoid repeated handling and multiple freeze/thaw cycles.
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Acute Respiratory Distress Syndrome , Angiogenesis, Cardiovascular Disease, Cell Cycle, Cellular Stress, COVID19, Gastrointestinal Diseases , Infectious Diseases , Inflammation, Lung Diseases , Neurobiology, severe acute respiratory syndrome coronavirus 2 , Virology