3C-like protease

GPTKB entity

Statements (52)
Predicate Object
gptkbp:instanceOf gptkb:protein
gptkbp:activeSiteResidue gptkb:His41
Cys145
gptkbp:alsoKnownAs gptkb:Mpro
main protease
gptkbp:catalyticDyad Cys145-His41
gptkbp:cleavage 11 sites in viral polyprotein
gptkbp:conservedIn high among coronaviruses
gptkbp:crystalStructureAvailable yes
gptkbp:EC_number 3.4.22.69
gptkbp:encodedBy coronavirus genome
gptkbp:firstDescribed 2003 (SARS-CoV)
gptkbp:foundIn coronaviruses
gptkbp:function cleaves viral polyproteins
gptkbp:gene gptkb:nsp5
gptkbp:homodimer yes
https://www.w3.org/2000/01/rdf-schema#label 3C-like protease
gptkbp:inhibitedBy gptkb:nirmatrelvir
gptkb:GC376
gptkb:boceprevir
gptkb:disulfiram
PF-00835231
PF-07321332 (nirmatrelvir)
alpha-ketoamides
ebselen
gptkbp:inhibitorDevelopment covalent inhibitors
non-covalent inhibitors
peptidomimetics
gptkbp:length 306 (SARS-CoV-2)
gptkbp:locatedOnChromosome ORF1ab
gptkbp:molecularWeight 33.8 kDa
gptkbp:PDB gptkb:6LU7
gptkbp:potentialForBroadSpectrumInhibitors yes
gptkbp:presentIn gptkb:COVID-19
gptkb:MERS-CoV
gptkb:SARS-CoV
gptkb:HCoV-229E
gptkb:HCoV-HKU1
gptkb:HCoV-NL63
gptkb:HCoV-OC43
gptkbp:relatedTo picornavirus 3C protease
gptkbp:requires coronavirus replication
gptkbp:roleInLifeCycle processes polyproteins pp1a and pp1ab
gptkbp:structureType gptkb:cysteine_protease
gptkbp:subcellularLocation gptkb:cytoplasm
gptkbp:substrateRecognition Leu-Gln↓(Ser,Ala,Gly)
gptkbp:target antiviral drug development
gptkbp:targetOfDrug gptkb:COVID-19
gptkbp:usedIn antiviral screening assays
gptkbp:bfsParent gptkb:3LU6
gptkb:3CLpro
gptkbp:bfsLayer 8