SARS-CoV-2 (COVID-19) 3CL-Mpro Protein, Tag-free
The cysteine protease 3CL-Mpro of SARS-CoV-2 (COVID-19) cleaves the transcribed viral polyprotein at two self cleavage sites. Here, the polyprotein is cleaved into several functional proteins by the 3CL-M protease.
- 100µg – 440€
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|Product Name||SARS-CoV-2 (COVID-19) 3CL-Mpro Protein, tag-free|
|RefSeq Links||NC_045512.2; MN908947.3; YP_009724390.1; QHD43416.1; GeneID: 43740568|
|Synonyms||3CL Mpro; 3CL Pro; 3CL protease; 3C-like main protease; SARS-CoV-2; coronavirus; 2019-nCoV; COVID-2019; COVID-19|
|Species||SARS-CoV-2; Wuhan seafood market pneumonia virus|
|Sequence without tags (AA 1-306)||SGFRKMAFPSGKVEGCMVQVTCGTTTLNGLWLDDVVYCPRHVICTSEDMLNPNYEDLLIR|
|Expression Host||E. coli|
|Formulation||PBS, pH 7.4; contains Glycerol as protectant|
|Format||Liquid, stored and shipped at -80°C|
|Purity||> 90% as determined by SDS-PAGE|
The new coronavirus SARS-CoV-2 expresses two proteases, the papain-like protease (PLpro) and 3C-like protease (3CLpro). Both belong to the group of cysteine proteases, as they have a cysteine residue at their catalytic site. Their main function is the processing of the viral polyprotein, that contains two cleavage sites to build up the viral replicase complex. Additionally, PLpro has the ability of removing ISG15 and ubiquitin from viral proteins expressed in the cell, this enables evasion from the innate immune response by the host. This represents an interesting target for drug development. This is because it not only would inhibit viral replication, but would also prevent the massive immunological response that results from the over-activation of the host’s immune system. Such an over-activation can lead to damage of the uninfected cells and thus to a worsening of the patient’s condition.
References and further readings
|Structure Basis for Inhibition of SARS-CoV-2 by the Feline Drug GC376|
Luan et al. bioRxiv 2020.06.07.138677
Further recombinant SARS-CoV-2 proteins
Reinhold Horlacher, PhD
Managing Director & CSO
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