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- PDB-7n44: Crystal structure of the SARS-CoV-2 (2019-NCoV) main protease in ... -

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Entry
Database: PDB / ID: 7n44
TitleCrystal structure of the SARS-CoV-2 (2019-NCoV) main protease in complex with 5-(3-{3-chloro-5-[(5-methyl-1,3-thiazol-4-yl)methoxy]phenyl}-2-oxo-2H-[1,3'-bipyridin]-5-yl)pyrimidine-2,4(1H,3H)-dione (compound 13)
Components3C-like proteinase
KeywordsHYDROLASE / novel coronavirus / antiviral / drug design / viral protein
Function / homology
Function and homology information


protein guanylyltransferase activity / RNA endonuclease activity, producing 3'-phosphomonoesters / mRNA guanylyltransferase activity / 5'-3' RNA helicase activity / Lyases; Phosphorus-oxygen lyases / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 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 ...protein guanylyltransferase activity / RNA endonuclease activity, producing 3'-phosphomonoesters / mRNA guanylyltransferase activity / 5'-3' RNA helicase activity / Lyases; Phosphorus-oxygen lyases / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 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 / TRAF3-dependent IRF activation pathway / Translation of Replicase and Assembly of the Replication Transcription Complex / Replication of the SARS-CoV-2 genome / snRNP Assembly / double membrane vesicle viral factory outer membrane / Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters / SARS coronavirus main proteinase / host cell endoplasmic reticulum-Golgi intermediate compartment / 3'-5'-RNA exonuclease activity / 5'-3' DNA helicase activity / symbiont-mediated suppression of host NF-kappaB cascade / host cell endosome / symbiont-mediated suppression of host toll-like receptor signaling pathway / symbiont-mediated degradation of host mRNA / mRNA guanylyltransferase / symbiont-mediated suppression of host ISG15-protein conjugation / G-quadruplex RNA binding / mRNA (guanine-N7)-methyltransferase / omega peptidase activity / methyltransferase cap1 / 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 / DNA helicase / mRNA (nucleoside-2'-O-)-methyltransferase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / ubiquitinyl hydrolase 1 / 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 / lyase activity / RNA helicase / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / induction by virus of host autophagy / copper ion binding / RNA-directed RNA polymerase / viral translational frameshifting / viral RNA genome replication / cysteine-type endopeptidase activity / RNA-dependent RNA polymerase activity / virus-mediated perturbation of host defense response / lipid binding / DNA-templated transcription / host cell nucleus / SARS-CoV-2 activates/modulates innate and adaptive immune responses / ATP hydrolysis activity / proteolysis / RNA binding / zinc ion binding / ATP binding / membrane
Similarity search - Function
RNA-dependent RNA polymerase, SARS-CoV-like / Nonstructural protein 14, betacoronavirus / NSP15, NendoU domain, coronavirus / Nonstructural protein 15, middle domain, alpha/betacoronavirus / Nonstructural protein 15, N-terminal domain, alpha/beta-coronavirus / NSP14, guanine-N7-methyltransferase domain, coronavirus / : / : / : / Coronavirus Nonstructural protein 13, 1B domain ...RNA-dependent RNA polymerase, SARS-CoV-like / Nonstructural protein 14, betacoronavirus / NSP15, NendoU domain, coronavirus / Nonstructural protein 15, middle domain, alpha/betacoronavirus / Nonstructural protein 15, N-terminal domain, alpha/beta-coronavirus / NSP14, guanine-N7-methyltransferase domain, coronavirus / : / : / : / Coronavirus Nonstructural protein 13, 1B domain / Coronavirus Non-structural protein 13, zinc-binding domain / Coronavirus Nonstructural protein 13, stalk domain / Coronavirus (CoV) guanine-N7-methyltransferase (N7-MTase) domain profile. / Coronavirus (CoV) Nsp15 N-terminal oligomerization domain profile. / Coronavirus Nsp12 Interface domain profile. / NSP12 RNA-dependent RNA polymerase, coronavirus / Coronavirus Nsp12 RNA-dependent RNA polymerase (RdRp) domain profile. / Non-structural protein NSP15, N-terminal domain superfamily, coronavirus / Non-structural protein NSP15, middle domain superfamily / Coronavirus replicase NSP15, N-terminal oligomerization / Nonstructural protein 15, middle domain, coronavirus / Nonstructural protein 13, 1B domain, coronavirus / Nidovirus 2-O-methyltransferase / Coronavirus replicase NSP15, middle domain / Coronavirus replicase NSP15, N-terminal oligomerisation / Nidovirus 2'-O-methyltransferase (2'-O-MTase) domain profile. / Non-structural protein NSP16, coronavirus-like / Non-structural protein 14, coronavirus / RNA polymerase, N-terminal, coronavirus / Nidovirus 3'-5' exoribonuclease domain / Coronavirus 2'-O-methyltransferase / Coronavirus proofreading exoribonuclease / Coronavirus RNA-dependent RNA polymerase, N-terminal / Nidovirus 3'-5' exoribonuclease (ExoN) domain profile. / Nonstructural protein 13, zinc-binding domain, coronavirus-like / Coronaviridae zinc-binding (CV ZBD) domain profile. / Arterivirus Nsp11 N-terminal/Coronavirus NSP15 middle domain / Arterivirus Nsp11 N-terminal/coronavirus NSP15 middle (AV-Nsp11N/CoV-Nsp15M) domain profile. / Nidoviral uridylate-specific endoribonuclease (NendoU) domain profile. / Nidovirus RdRp-associated nucleotidyl transferase (NiRAN) domain / Nidovirus RdRp-associated nucleotidyl transferase (NiRAN) domain profile. / Endoribonuclease EndoU-like / NendoU domain, nidovirus / Coronavirus replicase NSP15, uridylate-specific endoribonuclease / : / Lipocalin signature. / DNA2/NAM7 helicase-like, C-terminal / AAA domain / 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 / (+) RNA virus helicase core domain / (+)RNA virus helicase core domain profile. / 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.
Similarity search - Domain/homology
Chem-06I / Replicase polyprotein 1ab
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.94 Å
AuthorsReilly, R.A. / Zhang, C.H. / Deshmukh, M.G. / Ippolito, J.A. / Hollander, K. / Jorgensen, W.L. / Anderson, K.S.
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)GM32136 United States
Other privateYale University School of Medicine CoReCT Pilot Grant United States
CitationJournal: Acs Med.Chem.Lett. / Year: 2021
Title: Optimization of Triarylpyridinone Inhibitors of the Main Protease of SARS-CoV-2 to Low-Nanomolar Antiviral Potency.
Authors: Zhang, C.H. / Spasov, K.A. / Reilly, R.A. / Hollander, K. / Stone, E.A. / Ippolito, J.A. / Liosi, M.E. / Deshmukh, M.G. / Tirado-Rives, J. / Zhang, S. / Liang, Z. / Miller, S.J. / Isaacs, F. ...Authors: Zhang, C.H. / Spasov, K.A. / Reilly, R.A. / Hollander, K. / Stone, E.A. / Ippolito, J.A. / Liosi, M.E. / Deshmukh, M.G. / Tirado-Rives, J. / Zhang, S. / Liang, Z. / Miller, S.J. / Isaacs, F. / Lindenbach, B.D. / Anderson, K.S. / Jorgensen, W.L.
History
DepositionJun 3, 2021Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jul 21, 2021Provider: repository / Type: Initial release
Revision 1.1Sep 1, 2021Group: Database references / Category: citation / citation_author / database_2
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.2Oct 18, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: 3C-like proteinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,3462
Polymers33,8261
Non-polymers5201
Water2,684149
1
A: 3C-like proteinase
hetero molecules

A: 3C-like proteinase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,6914
Polymers67,6512
Non-polymers1,0402
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_556-x,y,-z+11
Buried area2410 Å2
ΔGint-15 kcal/mol
Surface area23810 Å2
MethodPISA
Unit cell
Length a, b, c (Å)116.895, 53.309, 44.911
Angle α, β, γ (deg.)90.000, 101.890, 90.000
Int Tables number5
Space group name H-MC121
Components on special symmetry positions
IDModelComponents
11A-614-

HOH

21A-616-

HOH

31A-624-

HOH

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Components

#1: Protein 3C-like proteinase / 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
Gene: rep, 1a-1b / Production host: Escherichia coli (E. coli)
References: UniProt: P0DTD1, SARS coronavirus main proteinase
#2: Chemical ChemComp-06I / 5-(3-{3-chloro-5-[(5-methyl-1,3-thiazol-4-yl)methoxy]phenyl}-2-oxo-2H-[1,3'-bipyridin]-5-yl)pyrimidine-2,4(1H,3H)-dione


Mass: 519.960 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C25H18ClN5O4S / Feature type: SUBJECT OF INVESTIGATION
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 149 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY

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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: 2.08 Å3/Da / Density % sol: 40.81 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop
Details: 0.15 M DL-malic acid, pH 7.0, 0.1 M imidazole, pH 7.0, 22% v/v PEG550 MME

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 24-ID-E / Wavelength: 0.97918 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Feb 14, 2021
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97918 Å / Relative weight: 1
ReflectionResolution: 1.94→57.19 Å / Num. obs: 37866 / % possible obs: 96.73 % / Redundancy: 3.55536482953 % / CC1/2: 0.997 / Net I/σ(I): 12.79
Reflection shellResolution: 1.941→2.06 Å / Num. unique obs: 5829 / CC1/2: 0.941

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Processing

Software
NameVersionClassification
PHENIX1.19.2_4158refinement
PDB_EXTRACT3.27data extraction
XDSdata reduction
XSCALEdata scaling
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 6Y2E

6y2e


Resolution: 1.94→57.19 Å / SU ML: 0.23 / Cross valid method: THROUGHOUT / σ(F): 1.42 / Phase error: 25.59 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2185 1892 5 %
Rwork0.1864 35953 -
obs0.188 37845 96.45 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 67.43 Å2 / Biso mean: 39.9386 Å2 / Biso min: 23.4 Å2
Refinement stepCycle: final / Resolution: 1.94→57.19 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2228 0 53 149 2430
Biso mean--40.45 45.77 -
Num. residues----298
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 (%)
1.94-1.990.28521170.28762264238185
1.99-2.040.30171360.24252594273097
2.04-2.10.28421350.24142579271497
2.1-2.170.22341350.21852581271698
2.17-2.250.27591400.23242607274797
2.25-2.340.25831320.20132512264495
2.34-2.440.21851380.2232620275898
2.45-2.570.28571380.21072603274198
2.57-2.740.21441410.23732599274098
2.74-2.950.24581370.20422610274798
2.95-3.240.2661350.21342614274998
3.24-3.710.24191310.16662565269696
3.71-4.680.15491410.14712605274698
4.68-57.190.18541360.162600273697

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