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- PDB-6w2a: 1.65 A resolution structure of SARS-CoV 3CL protease in complex w... -

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Basic information

Entry
Database: PDB / ID: 6w2a
Title1.65 A resolution structure of SARS-CoV 3CL protease in complex with inhibitor 7j
ComponentsReplicase polyprotein 1a
KeywordsHYDROLASE/HYDROLASE Inhibitor / PROTEASE / severe acute respiratory syndrome coronavirus / SARS 3CL protease Inhhibitors / HYDROLASE / HYDROLASE-HYDROLASE Inhibitor complex
Function / homology
Function and homology information


Assembly of the SARS-CoV-1 Replication-Transcription Complex (RTC) / Maturation of replicase proteins / Transcription of SARS-CoV-1 sgRNAs / Translation of Replicase and Assembly of the Replication Transcription Complex / K48-linked deubiquitinase activity / Replication of the SARS-CoV-1 genome / host cell endoplasmic reticulum / K63-linked deubiquitinase activity / SARS-CoV-1 modulates host translation machinery / viral genome replication ...Assembly of the SARS-CoV-1 Replication-Transcription Complex (RTC) / Maturation of replicase proteins / Transcription of SARS-CoV-1 sgRNAs / Translation of Replicase and Assembly of the Replication Transcription Complex / K48-linked deubiquitinase activity / Replication of the SARS-CoV-1 genome / host cell endoplasmic reticulum / K63-linked deubiquitinase activity / SARS-CoV-1 modulates host translation machinery / viral genome replication / methyltransferase activity / SARS-CoV-1 activates/modulates innate immune responses / double membrane vesicle viral factory outer membrane / SARS coronavirus main proteinase / endonuclease activity / host cell endosome / symbiont-mediated degradation of host mRNA / mRNA guanylyltransferase / symbiont-mediated suppression of host ISG15-protein conjugation / G-quadruplex RNA binding / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity / methylation / omega peptidase activity / host cell Golgi apparatus / symbiont-mediated perturbation of host ubiquitin-like protein modification / ubiquitinyl hydrolase 1 / cysteine-type deubiquitinase activity / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / single-stranded RNA binding / regulation of autophagy / host cell perinuclear region of cytoplasm / viral protein processing / lyase activity / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / symbiont-mediated suppression of host gene expression / viral translational frameshifting / symbiont-mediated activation of host autophagy / cysteine-type endopeptidase activity / RNA-directed RNA polymerase activity / proteolysis / zinc ion binding / identical protein binding / membrane
Similarity search - Function
Non-structural protein 3, SUD-N macrodomain, SARS-CoV / main proteinase (3clpro) structure, domain 3 / main proteinase (3clpro) structure, domain 3 / 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 ...Non-structural protein 3, SUD-N macrodomain, SARS-CoV / main proteinase (3clpro) structure, domain 3 / main proteinase (3clpro) structure, domain 3 / 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 / Trypsin-like serine proteases / 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 / Coronavirus (CoV) Nsp2 middle domain profile. / NSP1, globular domain, alpha/betacoronavirus / 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 / NSP3, second ubiquitin-like (Ubl) domain, coronavirus / Coronavirus Nsp3a Ubl domain profile. / Coronavirus Nsp3d Ubl domain profile. / NSP3, first ubiquitin-like (Ubl) domain, coronavirus / Peptidase family C16 domain profile. / : / : / Coronavirus replicase NSP7 / Coronavirus 3Ecto 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 (CoV) Nsp3 Y domain profile. / Coronavirus Nsp4 C-terminal (Nsp4C) domain profile. / Coronavirus main protease (M-pro) 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 replicase NSP9 / Thrombin, subunit H / Non-structural protein 3, X-domain-like / Appr-1"-p processing enzyme / Macro domain / Macro domain profile. / Macro domain / Macro domain-like / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan / Beta Barrel / Orthogonal Bundle / Mainly Beta / Mainly Alpha
Similarity search - Domain/homology
Chem-QYS / Chem-VDJ / Replicase polyprotein 1a
Similarity search - Component
Biological speciesHuman SARS coronavirus
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.65 Å
AuthorsKashipathy, M.M. / Lovell, S. / Battaile, K.P. / Rathnayake, A.D. / Zheng, J. / Kim, Y. / Nguyen, H.N. / Chang, K.O. / Groutas, W.C.
Funding support United States, 2items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)R01 AI109039 United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)P30GM110761 United States
CitationJournal: Sci Transl Med / Year: 2020
Title: 3C-like protease inhibitors block coronavirus replication in vitro and improve survival in MERS-CoV-infected mice.
Authors: Rathnayake, A.D. / Zheng, J. / Kim, Y. / Perera, K.D. / Mackin, S. / Meyerholz, D.K. / Kashipathy, M.M. / Battaile, K.P. / Lovell, S. / Perlman, S. / Groutas, W.C. / Chang, K.O.
History
DepositionMar 5, 2020Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 12, 2020Provider: repository / Type: Initial release
Revision 1.1Aug 19, 2020Group: Database references / Category: citation / Item: _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Sep 2, 2020Group: Database references / Category: citation / Item: _citation.journal_volume
Revision 1.3Oct 18, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.4Oct 9, 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: Replicase polyprotein 1a
B: Replicase polyprotein 1a
hetero molecules


Theoretical massNumber of molelcules
Total (without water)71,0316
Polymers68,9212
Non-polymers2,1104
Water4,864270
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2540 Å2
ΔGint-11 kcal/mol
Surface area24460 Å2
MethodPISA
Unit cell
Length a, b, c (Å)55.004, 99.999, 59.269
Angle α, β, γ (deg.)90.00, 108.31, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Replicase polyprotein 1a / pp1a / ORF1a polyprotein


Mass: 34460.297 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Human SARS coronavirus / Gene: 1a / Plasmid: pET28 / Production host: Escherichia coli BL21 (bacteria)
References: UniProt: P0C6U8, ubiquitinyl hydrolase 1, Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases, SARS coronavirus main proteinase
#2: Chemical ChemComp-VDJ / [4,4-bis(fluoranyl)cyclohexyl]methyl ~{N}-[(2~{S})-1-[[(1~{R},2~{S})-1-[bis(oxidanyl)-oxidanylidene-$l^{5}-sulfanyl]-1-oxidanyl-3-[(3~{S})-2-oxidanylidenepyrrolidin-3-yl]propan-2-yl]amino]-4-methyl-1-oxidanylidene-pentan-2-yl]carbamate


Mass: 527.580 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C21H35F2N3O8S
#3: Chemical ChemComp-QYS / (1S,2S)-2-[(N-{[(4,4-difluorocyclohexyl)methoxy]carbonyl}-L-leucyl)amino]-1-hydroxy-3-[(3S)-2-oxopyrrolidin-3-yl]propane-1-sulfonic acid


Mass: 527.580 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Formula: C21H35F2N3O8S
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 270 / 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: 2.25 Å3/Da / Density % sol: 45.22 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / Details: 15% (w/v) PEG 3350, 0.1 M magnesium formate

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 17-ID / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Dec 7, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.65→50 Å / Num. obs: 72975 / % possible obs: 99.9 % / Redundancy: 6.7 % / CC1/2: 0.999 / Rmerge(I) obs: 0.069 / Net I/σ(I): 12.6 / Num. measured all: 490396 / Scaling rejects: 7
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. measured allNum. unique obsCC1/2Net I/σ(I) obs% possible all
1.65-1.686.81.262423335840.7031.699.8
9.04-506.70.03431404700.99940.199.5

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Phasing

PhasingMethod: molecular replacement
Phasing MRModel details: Phaser MODE: MR_AUTO
Highest resolutionLowest resolution
Rotation3.25 Å56.27 Å
Translation3.25 Å56.27 Å

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Processing

Software
NameVersionClassification
PHENIX1.18RC4_3812refinement
XDSdata reduction
Aimless0.7.4data scaling
PHASER2.8.3phasing
PDB_EXTRACT3.25data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5WKK

5wkk


Resolution: 1.65→33.93 Å / SU ML: 0.17 / Cross valid method: THROUGHOUT / σ(F): 1.01 / Phase error: 23.61 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.203 3442 4.72 %
Rwork0.172 --
obs0.173 72922 99.9 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 32.48 Å2
Refinement stepCycle: LAST / Resolution: 1.65→33.93 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4554 0 124 270 4948
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.65-1.670.29051310.2592772X-RAY DIFFRACTION100
1.67-1.70.29721430.25362723X-RAY DIFFRACTION100
1.7-1.720.26271150.24012836X-RAY DIFFRACTION100
1.72-1.750.26521490.23712721X-RAY DIFFRACTION100
1.75-1.780.29481210.23052818X-RAY DIFFRACTION100
1.78-1.810.27241440.21952753X-RAY DIFFRACTION100
1.81-1.840.25081340.21482776X-RAY DIFFRACTION100
1.84-1.880.2491450.20242747X-RAY DIFFRACTION100
1.88-1.910.25991410.20192817X-RAY DIFFRACTION100
1.91-1.960.22751360.20872736X-RAY DIFFRACTION100
1.96-20.23581270.18392780X-RAY DIFFRACTION100
2-2.050.23371480.18592757X-RAY DIFFRACTION100
2.05-2.110.18951500.17892792X-RAY DIFFRACTION100
2.11-2.170.21061580.17872732X-RAY DIFFRACTION100
2.17-2.240.21891450.17712793X-RAY DIFFRACTION100
2.24-2.320.19121440.17222771X-RAY DIFFRACTION100
2.32-2.410.2121230.16932767X-RAY DIFFRACTION100
2.41-2.520.17991160.16792826X-RAY DIFFRACTION100
2.52-2.650.1831080.16962805X-RAY DIFFRACTION100
2.65-2.820.20771280.17872796X-RAY DIFFRACTION100
2.82-3.040.2241370.18592776X-RAY DIFFRACTION100
3.04-3.340.2151510.17992793X-RAY DIFFRACTION100
3.35-3.830.19541420.16272765X-RAY DIFFRACTION100
3.83-4.820.16581600.13112794X-RAY DIFFRACTION100
4.82-33.930.1751460.15552834X-RAY DIFFRACTION100

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