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- PDB-7dk1: Crystal structure of Zinc bound SARS-CoV-2 main protease -

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Basic information

Entry
Database: PDB / ID: 7dk1
TitleCrystal structure of Zinc bound SARS-CoV-2 main protease
Components3C-like proteinase
KeywordsHYDROLASE / SARS-CoV-2 / Main protease / Zinc / Mpro-Zinc complex / PEPTIDE BINDING PROTEIN
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 / methylation / double membrane vesicle viral factory outer membrane ...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 / methylation / 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 / SARS-CoV-2 modulates host translation machinery / omega peptidase activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity / host cell Golgi apparatus / symbiont-mediated perturbation of host ubiquitin-like protein modification / endonuclease activity / ubiquitinyl hydrolase 1 / cysteine-type deubiquitinase activity / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / single-stranded RNA binding / host cell endoplasmic reticulum membrane / host cell perinuclear region of cytoplasm / viral protein processing / induction by virus of host autophagy / symbiont-mediated suppression of host gene expression / cysteine-type endopeptidase activity / lipid binding / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / 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. / Coronavirus 3Ecto domain profile. / : / Betacoronavirus Nsp3e group 2-specific marker (G2M) domain profile. / NSP1, C-terminal domain, betacoronavirus / 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 / Betacoronavirus (BetaCoV) Nsp1 C-terminal 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 superfamily, betacoronavirus / Non-structural protein 6, betacoronavirus / Betacoronavirus nucleic acid-binding (NAB) / Non-structural protein NSP3, nucleic acid-binding domain, betacoronavirus / Non-structural protein NSP3A domain-like superfamily / Papain-like protease, N-terminal domain superfamily, coronavirus / Papain-like viral protease, palm and finger domains, coronavirus / : / Coronavirus (CoV) Nsp2 middle domain profile. / Coronavirus (CoV) Nsp2 N-terminal domain profile. / Coronavirus (CoV) Nsp2 C-terminal domain profile. / NSP1, globular domain, alpha/betacoronavirus / : / Coronavirus (CoV) Nsp3 Y domain profile. / Coronavirus (CoV) Nsp1 globular domain profile. / Coronavirus replicase NSP2, N-terminal / Nonstructural protein 2, N-terminal domain, coronavirus / Coronavirus replicase NSP2, C-terminal / Non-structural protein 2, C-terminal domain, coronavirus / Coronavirus Nsp3a Ubl domain profile. / Coronavirus Nsp3d Ubl 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. / NSP3, first ubiquitin-like (Ubl) domain, coronavirus / NSP3, second ubiquitin-like (Ubl) domain, coronavirus / Coronavirus Nsp4 C-terminal (Nsp4C) domain profile. / Papain-like protease, thumb domain superfamily, coronavirus / Coronavirus replicase NSP7 / Peptidase family C16 domain profile. / Non-structural protein NSP7, coronavirus / Peptidase C30, coronavirus / Peptidase C16, coronavirus / Non-structural protein NSP9, 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 / 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
GLYCINE / Replicase polyprotein 1a
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.902 Å
AuthorsSonkar, K.S. / Panchariya, L. / Kuila, S. / Khan, W.A. / Arockiasamy, A.
Citation
Journal: Chem.Commun.(Camb.) / Year: 2021
Title: Zinc 2+ ion inhibits SARS-CoV-2 main protease and viral replication in vitro.
Authors: Panchariya, L. / Khan, W.A. / Kuila, S. / Sonkar, K. / Sahoo, S. / Ghoshal, A. / Kumar, A. / Verma, D.K. / Hasan, A. / Khan, M.A. / Jain, N. / Mohapatra, A.K. / Das, S. / Thakur, J.K. / ...Authors: Panchariya, L. / Khan, W.A. / Kuila, S. / Sonkar, K. / Sahoo, S. / Ghoshal, A. / Kumar, A. / Verma, D.K. / Hasan, A. / Khan, M.A. / Jain, N. / Mohapatra, A.K. / Das, S. / Thakur, J.K. / Maiti, S. / Nanda, R.K. / Halder, R. / Sunil, S. / Arockiasamy, A.
#1: Journal: Biorxiv / Year: 2021
Title: Zinc2+ ion inhibits SARS-CoV-2 main protease and viral replication in vitro
Authors: Panchariya, L. / Khan, W.A. / Kuila, S. / Sonkar, K.S. / Sahoo, S. / Ghoshal, A. / Kumar, A. / Verma, D.P. / Hasan, A. / Das, S. / Thakur, J.K. / Halder, R. / Sunil, S. / Arockiasamy, A.
History
DepositionNov 22, 2020Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jun 30, 2021Provider: repository / Type: Initial release
Revision 1.1Mar 30, 2022Group: Database references / Category: citation / citation_author / database_2
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.2Nov 29, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / citation / pdbx_initial_refinement_model
Item: _citation.journal_id_ISSN

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

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


Theoretical massNumber of molelcules
Total (without water)68,47712
Polymers67,6512
Non-polymers82510
Water7,620423
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4280 Å2
ΔGint-93 kcal/mol
Surface area24690 Å2
MethodPISA
Unit cell
Length a, b, c (Å)67.620, 102.200, 102.350
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein 3C-like proteinase / main protease


Mass: 33825.547 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Plasmid: pGEX-6P-1 / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: P0DTC1, SARS coronavirus main proteinase

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Non-polymers , 6 types, 433 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Zn / Feature type: SUBJECT OF INVESTIGATION
#3: Chemical ChemComp-DMS / DIMETHYL SULFOXIDE / Dimethyl sulfoxide


Mass: 78.133 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C2H6OS / Comment: DMSO, precipitant*YM
#4: Chemical ChemComp-GLY / GLYCINE / Glycine


Type: peptide linking / Mass: 75.067 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H5NO2
#5: Chemical ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#6: Chemical ChemComp-BTB / 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL / BIS-TRIS BUFFER / Bis-tris methane


Mass: 209.240 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H19NO5 / Comment: pH buffer*YM
#7: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 423 / Source method: isolated from a natural source / Formula: H2O

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Details

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: 2.64 Å3/Da / Density % sol: 53.4 %
Crystal growTemperature: 293.15 K / Method: vapor diffusion, sitting drop / pH: 6.5 / Details: Bis-Tris (0.1 M), PEG 3350 (20%), DMSO (5%)

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ELETTRA / Beamline: 11.2C / Wavelength: 0.999 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Nov 16, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.999 Å / Relative weight: 1
ReflectionResolution: 1.9→72.32 Å / Num. obs: 56431 / % possible obs: 100 % / Redundancy: 12.8 % / Biso Wilson estimate: 32.4 Å2 / CC1/2: 0.999 / Rmerge(I) obs: 0.087 / Net I/σ(I): 2.69
Reflection shellResolution: 1.902→1.935 Å / Num. unique obs: 35945 / CC1/2: 0.831 / % possible all: 100

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Processing

Software
NameVersionClassification
MxCuBE3data collection
PHASERphasing
Coot0.8.9.2model building
BUSTER2.10.3 (19-MAR-2020)refinement
PDB_EXTRACT3.27data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6Y2E

6y2e


Resolution: 1.902→72.32 Å / Cor.coef. Fo:Fc: 0.939 / Cor.coef. Fo:Fc free: 0.933 / SU R Cruickshank DPI: 0.134 / Cross valid method: THROUGHOUT / σ(F): 0 / SU R Blow DPI: 0.142 / SU Rfree Blow DPI: 0.122 / SU Rfree Cruickshank DPI: 0.119
RfactorNum. reflection% reflectionSelection details
Rfree0.2094 2889 5.12 %RANDOM
Rwork0.1896 ---
obs0.1906 56431 100 %-
Displacement parametersBiso max: 83.9 Å2 / Biso mean: 39.17 Å2 / Biso min: 18.61 Å2
Baniso -1Baniso -2Baniso -3
1-10.314 Å20 Å20 Å2
2---12.8909 Å20 Å2
3---2.5769 Å2
Refine analyzeLuzzati coordinate error obs: 0.25 Å
Refinement stepCycle: final / Resolution: 1.902→72.32 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4560 0 40 423 5023
Biso mean--52.68 50.65 -
Num. residues----605
Refine LS restraints
Refine-IDTypeNumberRestraint functionWeightDev ideal
X-RAY DIFFRACTIONt_dihedral_angle_d1560SINUSOIDAL2
X-RAY DIFFRACTIONt_trig_c_planes
X-RAY DIFFRACTIONt_gen_planes813HARMONIC5
X-RAY DIFFRACTIONt_it4719HARMONIC10
X-RAY DIFFRACTIONt_nbd
X-RAY DIFFRACTIONt_improper_torsion
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_chiral_improper_torsion626SEMIHARMONIC5
X-RAY DIFFRACTIONt_sum_occupancies
X-RAY DIFFRACTIONt_utility_distance
X-RAY DIFFRACTIONt_utility_angle
X-RAY DIFFRACTIONt_utility_torsion
X-RAY DIFFRACTIONt_ideal_dist_contact4151SEMIHARMONIC4
X-RAY DIFFRACTIONt_bond_d4719HARMONIC20.009
X-RAY DIFFRACTIONt_angle_deg6422HARMONIC20.98
X-RAY DIFFRACTIONt_omega_torsion3.74
X-RAY DIFFRACTIONt_other_torsion16.08
LS refinement shellResolution: 1.902→1.92 Å / Rfactor Rfree error: 0
RfactorNum. reflection% reflection
Rfree0.254 63 5.58 %
Rwork0.2269 1066 -
obs--100 %

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