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Your Position: Home > Protein > Papain-like Protease > PAE-C5148

SARS-CoV-2 (COVID-19) Papain-like Protease Protein, His Tag (active enzyme)

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  • Synonym
    Papain-like Protease,Replicase polyprotein 1a,ORF1a polyprotein,pp1a,1a,PL-PRO,Plpro
  • Source
    SARS-CoV-2 Papain-like Protease, His Tag(PAE-C5148) is expressed from E. coli cells. It contains AA Glu 746 - Lys 1060 (Accession # YP_009725299.1).
    Predicted N-terminus: Met
  • Molecular Characterization
    Papain-like Protease Structure

    This protein carries a polyhistidine tag at the N-terminus

    The protein has a calculated MW of 37.6 kDa. The protein migrates as 35-37 kDa under reducing (R) condition (SDS-PAGE).

  • Endotoxin
    Less than 1.0 EU per μg by the LAL method.
  • Purity

    >95% as determined by SDS-PAGE.

  • Formulation

    Supplied as 0.2 μm filtered solution in 50 mM HEPES, 300 mM NaCl, 1 mM TCEP, pH7.5 with glycerol as protectant.

    Contact us for customized product form or formulation.

  • Reconstitution

    Please see Certificate of Analysis for specific instructions.

    For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

  • Storage

    Please avoid repeated freeze-thaw cycles.

    This product is stable after storage at:

    1. The product MUST be stored at -70°C or lower upon receipt;
    2. -70°C for 3 months under sterile conditions.
Papain-like Protease SDS-PAGE

SARS-CoV-2 Papain-like Protease, His Tag on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95%.


Measured by its ability to convert the substrate Dabcyl–FRLKGGAPIKGV–Edans.The specific activity is >2500 pmol/min/mg (QC tested).

  • Background
    New coronavirus is a single-stranded RNA positive-strand envelope type B coronavirus. Similar to the other two coronaviruses that cause SARS (Severe Acute Respiratory Syndrome) and MERS (Middle East Respiratory Syndrome), its genome encodes non-structural, structural, and accessory proteins. Non-structural proteins include 3-chymotrypsin-like protease (3CLpro), papain-like protease, helicase, and RNA-dependent RNA polymerase (RNA -dependent RNA polymerase (RdRp). Structural proteins include spike glycoproteins. Papain in coronavirus is the same as 3CLpro. This enzyme operates on no less than 11 cleavage sites on the large polyprotein 1ab. Processing of polyproteins translated from viral RNA is essential. Therefore, press this The activity of this enzyme will prevent virus imitation.
  • Clinical and Translational Updates

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ETA of in-stock products: 2 business days

Price(USD) : $450.00

Price(USD) : $3300.00

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Drug Development Status

  • Number of Launched Drugs:5 Details
  • Number of Drugs in Clinical Trials:27 Details
  • Latest Research Phase:Approved

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