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- PDB-7tj0: Crystal structure of SARS-CoV-2 3CL in complex with inhibitor SL-4-241 -

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Entry
Database: PDB / ID: 7tj0
TitleCrystal structure of SARS-CoV-2 3CL in complex with inhibitor SL-4-241
Components3C-like proteinase nsp5
KeywordsVIRAL PROTEIN/INHIBITOR / VIRAL PROTEIN / VIRAL PROTEIN-INHIBITOR complex
Function / homology
Function and homology information


viral genome replication / methyltransferase activity / Assembly of the SARS-CoV-2 Replication-Transcription Complex (RTC) / Maturation of replicase proteins / ISG15-specific peptidase activity / Transcription of SARS-CoV-2 sgRNAs / Translation of Replicase and Assembly of the Replication Transcription Complex / Replication of the SARS-CoV-2 genome / double membrane vesicle viral factory outer membrane / SARS coronavirus main proteinase ...viral genome replication / methyltransferase activity / Assembly of the SARS-CoV-2 Replication-Transcription Complex (RTC) / Maturation of replicase proteins / ISG15-specific peptidase activity / Transcription of SARS-CoV-2 sgRNAs / Translation of Replicase and Assembly of the Replication Transcription Complex / Replication of the SARS-CoV-2 genome / double membrane vesicle viral factory outer membrane / SARS coronavirus main proteinase / host cell endosome / symbiont-mediated degradation of host mRNA / mRNA guanylyltransferase / symbiont-mediated suppression of host ISG15-protein conjugation / G-quadruplex RNA binding / omega peptidase activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity / SARS-CoV-2 modulates host translation machinery / host cell Golgi apparatus / symbiont-mediated perturbation of host ubiquitin-like protein modification / endonuclease activity / ubiquitinyl hydrolase 1 / methylation / cysteine-type deubiquitinase activity / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / host cell perinuclear region of cytoplasm / single-stranded RNA binding / host cell endoplasmic reticulum membrane / viral protein processing / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / induction by virus of host autophagy / viral translational frameshifting / cysteine-type endopeptidase activity / virus-mediated perturbation of host defense response / lipid binding / SARS-CoV-2 activates/modulates innate and adaptive immune responses / proteolysis / zinc ion binding / membrane
Similarity search - Function
Non-structural protein NSP3, SUD-N (Mac2) domain, betacoronavirus / Sarbecovirus Nsp3c-N domain profile. / Non-structural protein NSP3, N-terminal, betacoronavirus / Polyprotein cleavage domain PL2pro superfamily, betacoronavirus / Non-structural protein NSP3, SUD-N (Mac2) domain superfamily, betacoronavirus / Betacoronavirus SUD-C domain / Betacoronavirus replicase NSP3, N-terminal / NSP1 globular domain superfamily, betacoronavirus / Non-structural protein 2, SARS-CoV-like / Carbamoyl-phosphate synthase subdomain signature 2. ...Non-structural protein NSP3, SUD-N (Mac2) domain, betacoronavirus / Sarbecovirus Nsp3c-N domain profile. / Non-structural protein NSP3, N-terminal, betacoronavirus / Polyprotein cleavage domain PL2pro superfamily, betacoronavirus / Non-structural protein NSP3, SUD-N (Mac2) domain superfamily, betacoronavirus / Betacoronavirus SUD-C domain / Betacoronavirus replicase NSP3, N-terminal / NSP1 globular domain superfamily, betacoronavirus / Non-structural protein 2, SARS-CoV-like / Carbamoyl-phosphate synthase subdomain signature 2. / Betacoronavirus Nsp3c-M domain profile. / NSP1, globular domain, betacoronavirus / Non-structural protein NSP3, SUD-M domain, betacoronavirus / Non-structural protein NSP3, SUD-M domain superfamily, betacoronavirus / Betacoronavirus replicase NSP1 / Betacoronavirus single-stranded poly(A) binding domain / NSP1, C-terminal domain, betacoronavirus / : / Betacoronavirus (BetaCoV) Nsp1 C-terminal domain profile. / Betacoronavirus Nsp3e group 2-specific marker (G2M) domain profile. / Betacoronavirus Nsp3c-C domain profile. / Betacoronavirus Nsp3e nucleic acid-binding (NAB) domain profile. / DPUP/SUD, C-terminal, betacoronavirus / Non-structural protein NSP3, nucleic acid-binding domain, betacoronavirus / Non-structural protein NSP3A domain-like superfamily / Non-structural protein NSP3, nucleic acid-binding domain superfamily, betacoronavirus / Non-structural protein 6, betacoronavirus / Betacoronavirus nucleic acid-binding (NAB) / Papain-like viral protease, palm and finger domains, coronavirus / Papain-like protease, N-terminal domain superfamily, coronavirus / Coronavirus replicase NSP2, N-terminal / : / Coronavirus replicase NSP2, C-terminal / NSP1, globular domain, alpha/betacoronavirus / Coronavirus (CoV) Nsp2 middle domain profile. / Coronavirus (CoV) Nsp1 globular domain profile. / Coronavirus (CoV) Nsp2 N-terminal domain profile. / Coronavirus (CoV) Nsp2 C-terminal domain profile. / Nonstructural protein 2, N-terminal domain, coronavirus / Non-structural protein 2, C-terminal domain, coronavirus / : / Coronavirus 3Ecto domain profile. / NSP3, second ubiquitin-like (Ubl) domain, coronavirus / Coronavirus Nsp3a Ubl domain profile. / Coronavirus Nsp3d Ubl domain profile. / : / NSP3, first ubiquitin-like (Ubl) domain, coronavirus / Coronavirus (CoV) Nsp3 Y domain profile. / Coronavirus replicase NSP7 / Peptidase family C16 domain profile. / Coronavirus RNA-dependent RNA polymerase (RdRp) Nsp7 cofactor domain profile. / Coronavirus RNA-dependent RNA polymerase (RdRp) Nsp8 cofactor domain profile. / Coronavirus Nsp9 single-stranded RNA (ssRNA)-binding domain profile. / Coronavirus (CoV) ExoN/MTase coactivator domain profile. / Coronavirus Nsp4 C-terminal (Nsp4C) domain profile. / Peptidase C30, coronavirus / Peptidase C16, coronavirus / Non-structural protein NSP9, coronavirus / Non-structural protein NSP7, coronavirus / Non-structural protein NSP8, coronavirus / RNA synthesis protein NSP10, coronavirus / Non-structural protein NSP4, C-terminal, coronavirus / RNA synthesis protein NSP10 superfamily, coronavirus / Non-structural protein NSP9 superfamily, coronavirus / Non-structural protein NSP7 superfamily, coronavirus / Non-structural protein NSP8 superfamily, coronavirus / Non-structural protein NSP4, C-terminal superfamily, coronavirus / Papain-like protease, thumb domain superfamily, coronavirus / Peptidase C30, domain 3, coronavirus / Non-structural protein 6, coronavirus / Coronavirus replicase NSP3, C-terminal / Non-structural protein NSP4, N-terminal, coronavirus / Coronavirus endopeptidase C30 / Coronavirus papain-like peptidase / Coronavirus replicase NSP8 / Coronavirus RNA synthesis protein NSP10 / Coronavirus replicase NSP4, C-terminal / Coronavirus replicase NSP6 / Coronavirus replicase NSP4, N-terminal / Coronavirus replicase NSP3, C-terminal / Coronavirus main protease (M-pro) domain profile. / Coronavirus replicase NSP9 / Non-structural protein 3, X-domain-like / Macro domain / Appr-1"-p processing enzyme / Macro domain / Macro domain profile. / Macro domain-like / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan
Similarity search - Domain/homology
ACETATE ION / Chem-S4L / Replicase polyprotein 1a
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.17 Å
AuthorsForouhar, F. / Liu, H. / Iketani, S. / Zack, A. / Khanizeman, N. / Bednarova, E. / Fowler, B. / Hong, S.J. / Mohri, H. / Nair, M.S. ...Forouhar, F. / Liu, H. / Iketani, S. / Zack, A. / Khanizeman, N. / Bednarova, E. / Fowler, B. / Hong, S.J. / Mohri, H. / Nair, M.S. / Huang, Y. / Tay, N.E.S. / Lee, S. / Karan, C. / Resnick, S.J. / Quinn, C. / Li, W. / Shion, H. / Jurtschenko, C. / Lauber, M.A. / McDonald, T. / Stokes, M. / Hurst, B. / Rovis, T. / Chavez, A. / Ho, D.D. / Stockwell, B.R.
Funding support7items
OrganizationGrant numberCountry
Jack Ma Foundation
Burroughs Wellcome Fund
Columbia Technology Ventures
Columbia Translational Therapeutics (TRx)
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)T32AI106711
National Science Foundation (NSF, United States)2029943
Department of Energy (DOE, United States)DE-AC02-06CH11357
CitationJournal: Nat Commun / Year: 2022
Title: Development of optimized drug-like small molecule inhibitors of the SARS-CoV-2 3CL protease for treatment of COVID-19.
Authors: Liu, H. / Iketani, S. / Zask, A. / Khanizeman, N. / Bednarova, E. / Forouhar, F. / Fowler, B. / Hong, S.J. / Mohri, H. / Nair, M.S. / Huang, Y. / Tay, N.E.S. / Lee, S. / Karan, C. / Resnick, ...Authors: Liu, H. / Iketani, S. / Zask, A. / Khanizeman, N. / Bednarova, E. / Forouhar, F. / Fowler, B. / Hong, S.J. / Mohri, H. / Nair, M.S. / Huang, Y. / Tay, N.E.S. / Lee, S. / Karan, C. / Resnick, S.J. / Quinn, C. / Li, W. / Shion, H. / Xia, X. / Daniels, J.D. / Bartolo-Cruz, M. / Farina, M. / Rajbhandari, P. / Jurtschenko, C. / Lauber, M.A. / McDonald, T. / Stokes, M.E. / Hurst, B.L. / Rovis, T. / Chavez, A. / Ho, D.D. / Stockwell, B.R.
History
DepositionJan 14, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 4, 2022Provider: repository / Type: Initial release
Revision 1.1Oct 18, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.2Oct 23, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: 3C-like proteinase nsp5
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,4103
Polymers33,8261
Non-polymers5852
Water1,892105
1
A: 3C-like proteinase nsp5
hetero molecules

A: 3C-like proteinase nsp5
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,8206
Polymers67,6512
Non-polymers1,1694
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_555-x,y,-z1
Buried area3110 Å2
ΔGint-12 kcal/mol
Surface area25280 Å2
MethodPISA
Unit cell
Length a, b, c (Å)96.358, 81.391, 54.558
Angle α, β, γ (deg.)90.000, 116.660, 90.000
Int Tables number5
Space group name H-MC121
Components on special symmetry positions
IDModelComponents
11A-505-

HOH

21A-584-

HOH

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Components

#1: Protein 3C-like proteinase nsp5 / 3CL-PRO / 3CLp / Main protease / Mpro / Non-structural protein 5 / nsp5 / SARS coronavirus main proteinase


Mass: 33825.547 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Production host: Escherichia coli (E. coli)
References: UniProt: P0DTC1, SARS coronavirus main proteinase
#2: Chemical ChemComp-S4L / (1S,2S)-2-({N-[(benzyloxy)carbonyl]-3-cyclohexyl-L-alanyl}amino)-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid


Mass: 525.615 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C24H35N3O8S / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H3O2
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 105 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.83 Å3/Da / Density % sol: 56.48 %
Crystal growTemperature: 277 K / Method: microbatch / pH: 5 / Details: 0.1 M sodium acetate, pH 5, and 20% (w/v) PEG 8000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-C / Wavelength: 0.979 Å
DetectorType: DECTRIS EIGER2 X 16M / Detector: PIXEL / Date: Aug 6, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.979 Å / Relative weight: 1
ReflectionResolution: 1.95→59.15 Å / Num. obs: 26833 / % possible obs: 98.1 % / Redundancy: 6.8 % / CC1/2: 0.995 / Rmerge(I) obs: 0.182 / Net I/σ(I): 7.3
Reflection shellResolution: 1.95→2 Å / Redundancy: 5.8 % / Rmerge(I) obs: 2.053 / Mean I/σ(I) obs: 0.7 / Num. unique obs: 1526 / CC1/2: 0.257 / % possible all: 79.3

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Processing

Software
NameVersionClassification
PHENIX1.17.1_3660refinement
PDB_EXTRACT3.27data extraction
XDSdata reduction
Aimlessdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 7JSU

7jsu


Resolution: 2.17→48.76 Å / SU ML: 0.22 / Cross valid method: THROUGHOUT / σ(F): 1.4 / Phase error: 22.95 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2173 1955 9.84 %
Rwork0.1661 17920 -
obs0.1712 19875 99.5 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 131.95 Å2 / Biso mean: 51.3003 Å2 / Biso min: 21.02 Å2
Refinement stepCycle: final / Resolution: 2.17→48.76 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2329 0 36 105 2470
Biso mean--48.11 52.75 -
Num. residues----301
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 14

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
2.17-2.220.26451350.222612451380100
2.22-2.280.2831590.212112761435100
2.28-2.350.27871480.215412751423100
2.35-2.430.24521430.202112841427100
2.43-2.510.24521510.195312631414100
2.51-2.610.25441360.189112851421100
2.62-2.730.25081380.175912861424100
2.73-2.880.19991340.176512711405100
2.88-3.060.22981290.1771283141299
3.06-3.290.26781210.190412911412100
3.29-3.630.24611450.163412931438100
3.63-4.150.17881300.14731292142299
4.15-5.230.15231410.13291281142299
5.23-48.760.22221450.15481295144098
Refinement TLS params.Method: refined / Origin x: -5.3365 Å / Origin y: -0.7337 Å / Origin z: 12.2463 Å
111213212223313233
T0.1996 Å2-0.0224 Å2-0.0169 Å2-0.2333 Å2-0.0251 Å2--0.2566 Å2
L0.5786 °20.3777 °2-0.3925 °2-1.3055 °20.9777 °2--2.345 °2
S0.0831 Å °-0.0693 Å °-0.0522 Å °0.0305 Å °0.0073 Å °-0.0847 Å °-0.0854 Å °-0.0067 Å °0.0412 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1allA1 - 301
2X-RAY DIFFRACTION1allA401 - 402
3X-RAY DIFFRACTION1allS1 - 105

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