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Literature summary for 3.4.22.69 extracted from

  • Goetz, D.H.; Choe, Y.; Hansell, E.; Chen, Y.T.; McDowell, M.; Jonsson, C.B.; Roush, B.C.; McKerrow, J.; Craik, C.S.
    Substrate specificity profiling and identification of a new class of inhibitor for the major protease of the SARS coronavirus (2007), Biochemistry, 46, 8744-8752.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
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Severe acute respiratory syndrome-related coronavirus

Crystallization (Commentary)

Crystallization (Comment) Organism
1.8 A X-ray crystal structure of 3Clpro bound to an irreversible inhibitor, an alpha,beta-epoxyketone Severe acute respiratory syndrome-related coronavirus

Inhibitors

Inhibitors Comment Organism Structure
4,5-anhydro-2-([N-[(benzyloxy)carbonyl]-L-phenylalanyl]amino)-1,2-dideoxy-D-erythro-pent-3-ulose
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Severe acute respiratory syndrome-related coronavirus

Organism

Organism UniProt Comment Textmining
Severe acute respiratory syndrome-related coronavirus
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-
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Purification (Commentary)

Purification (Comment) Organism
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Severe acute respiratory syndrome-related coronavirus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
acetyl-TSAVLH-7-amido-4-carbamoyl-coumarin + H2O SARS-CoV 3Clpro prefers Gln over His in P1 position. Unlike SARS-CoV 3Clpro, His is strongly preferred in the P1 position by 3C-like proteases from infectious bronchitis virus murine hepatitis virus Severe acute respiratory syndrome-related coronavirus acetyl-TSAVLH + 7-amino-4-carbamoyl-coumarin
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?
acetyl-TSTKLQ-7-amido-4-carbamoyl-coumarin + H2O optimized fluorogenic peptide substrate. The enzyme exhibits a strong preference for P1 Gln containing substrates and P2 Leu containing substrates Severe acute respiratory syndrome-related coronavirus acetyl-TSTKLQ + 7-amino-4-carbamoyl-coumarin
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?
additional information complete description of the tetrapeptide substrate specificity of 3Clpro using fully degenerate peptide libraries consisting of all 160 000 possible naturally occurring tetrapeptides. P1-Gln P2-Leu specificity and elucidate a novel preference for P1-His containing substrates equal to the expected preference for P1-Gln Severe acute respiratory syndrome-related coronavirus ?
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?
additional information a complete description of the tetrapeptide substrate specificity of 3Clpro using fully degenerate peptide libraries consisting of all 160000 possible naturally occurring tetrapeptides. The enzyme exhibits a strong preference for P1 Gln containing substrates and P2 Leu containing substrates. The enzyme also shows a strong preference for P1 histidine containing substrates. 3Clpro has extended substrate specificity at P5 and P6 preferring hydrophobic amino acids such as Leu Severe acute respiratory syndrome-related coronavirus ?
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?

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.0022
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4,5-anhydro-2-([N-[(benzyloxy)carbonyl]-L-phenylalanyl]amino)-1,2-dideoxy-D-erythro-pent-3-ulose
-
Severe acute respiratory syndrome-related coronavirus