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- PDB-7cam: SARS-CoV-2 main protease (Mpro) apo structure (space group P212121) -

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Basic information

Entry
Database: PDB / ID: 7cam
TitleSARS-CoV-2 main protease (Mpro) apo structure (space group P212121)
Components3C-like proteinase
KeywordsVIRAL PROTEIN / main protease / 3CL protease
Function / homology
Function and homology information


Assembly of the SARS-CoV-2 Replication-Transcription Complex (RTC) / Maturation of replicase proteins / Transcription of SARS-CoV-2 sgRNAs / host cell endosome / suppression by virus of host viral-induced cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity / Translation of Replicase and Assembly of the Replication Transcription Complex / exoribonuclease activity / RNA phosphodiester bond hydrolysis, exonucleolytic / modulation by virus of host autophagy / mRNA methylation ...Assembly of the SARS-CoV-2 Replication-Transcription Complex (RTC) / Maturation of replicase proteins / Transcription of SARS-CoV-2 sgRNAs / host cell endosome / suppression by virus of host viral-induced cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity / Translation of Replicase and Assembly of the Replication Transcription Complex / exoribonuclease activity / RNA phosphodiester bond hydrolysis, exonucleolytic / modulation by virus of host autophagy / mRNA methylation / double membrane vesicle viral factory outer membrane / suppression by virus of host translation / ISG15-specific protease activity / host cell Golgi apparatus / Replication of the SARS-CoV-2 genome / suppression by virus of host type I interferon production / host cell endoplasmic reticulum / induction by virus of catabolism of host mRNA / SARS coronavirus main proteinase / cytoplasmic viral factory / Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters / G-quadruplex RNA binding / 3'-5'-exoribonuclease activity / suppression by virus of host ISG15-protein conjugation / host cell endoplasmic reticulum-Golgi intermediate compartment / protein K48-linked deubiquitination / suppression by virus of host toll-like receptor signaling pathway / suppression by virus of host viral-induced cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity / transcription, RNA-templated / suppression by virus of host NF-kappaB cascade / modulation by virus of host protein ubiquitination / protein K63-linked deubiquitination / positive stranded viral RNA replication / protein autoprocessing / cysteine-type peptidase activity / mRNA (nucleoside-2'-O-)-methyltransferase activity / viral genome replication / suppression by virus of host TRAF activity / helicase activity / viral transcription / Transferases; Transferring one-carbon groups; Methyltransferases / ubiquitinyl hydrolase 1 / methyltransferase activity / DNA helicase / thiol-dependent deubiquitinase / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / DNA helicase activity / single-stranded RNA binding / host cell perinuclear region of cytoplasm / methylation / RNA helicase / induction by virus of host autophagy / endonuclease activity / RNA-directed RNA polymerase / RNA helicase activity / cysteine-type endopeptidase activity / viral RNA genome replication / RNA-directed 5'-3' RNA polymerase activity / viral protein processing / suppression by virus of host type I interferon-mediated signaling pathway / Hydrolases; Acting on ester bonds / transcription, DNA-templated / host cell cytoplasm / protein dimerization activity / protein homodimerization activity / zinc ion binding / integral component of membrane / ATP binding / identical protein binding / cytosol
Similarity search - Function
RNA-dependent RNA polymerase, SARS-CoV-like / Nonstructural protein 15, middle domain, alpha/betacoronavirus / Coronavirus (CoV) guanine-N7-methyltransferase (N7-MTase) domain profile. / Nidovirus 3'-5' exoribonuclease (ExoN) domain profile. / Coronavirus (CoV) Nsp15 N-terminal oligomerization domain profile. / Coronavirus Nsp12 RNA-dependent RNA polymerase (RdRp) domain profile. / Nidovirus 2'-O-methyltransferase (2'-O-MTase) domain profile. / Nonstructural protein 14, betacoronavirus / Arterivirus Nsp11 N-terminal/coronavirus NSP15 middle (AV-Nsp11N/CoV-Nsp15M) domain profile. / Nidovirus RdRp-associated nucleotidyl transferase (NiRAN) domain profile. ...RNA-dependent RNA polymerase, SARS-CoV-like / Nonstructural protein 15, middle domain, alpha/betacoronavirus / Coronavirus (CoV) guanine-N7-methyltransferase (N7-MTase) domain profile. / Nidovirus 3'-5' exoribonuclease (ExoN) domain profile. / Coronavirus (CoV) Nsp15 N-terminal oligomerization domain profile. / Coronavirus Nsp12 RNA-dependent RNA polymerase (RdRp) domain profile. / Nidovirus 2'-O-methyltransferase (2'-O-MTase) domain profile. / Nonstructural protein 14, betacoronavirus / Arterivirus Nsp11 N-terminal/coronavirus NSP15 middle (AV-Nsp11N/CoV-Nsp15M) domain profile. / Nidovirus RdRp-associated nucleotidyl transferase (NiRAN) domain profile. / Nidoviral uridylate-specific endoribonuclease (NendoU) domain profile. / Viral (Superfamily 1) RNA helicase / Nonstructural protein 15, N-terminal domain, alpha/beta-coronavirus / NSP15, NendoU domain, coronavirus / Nonstructural protein 13, 1B domain, coronavirus / RNA polymerase, N-terminal, coronavirus / Coronavirus 2'-O-methyltransferase / Non-structural protein 14, coronavirus / Coronavirus replicase NSP15, middle domain / Non-structural protein NSP16, coronavirus-like / Coronavirus proofreading exoribonuclease / Coronavirus replicase NSP15, N-terminal oligomerisation / Non-structural protein NSP15, middle domain superfamily / Coronavirus RNA-dependent RNA polymerase, N-terminal / Coronavirus replicase NSP15, N-terminal oligomerisation / Non-structural protein NSP15, N-terminal domain superfamily, coronavirus / Coronavirus replicase NSP15, middle domain / Coronaviridae zinc-binding (CV ZBD) domain profile. / Nonstructural protein 13, zinc-binding domain, coronavirus-like / Sarbecovirus Nsp3c-N domain profile. / Non-structural protein NSP3, N-terminal, betacoronavirus / Betacoronavirus SUD-C domain / Betacoronavirus replicase NSP3, N-terminal / Non-structural protein 2, SARS-CoV-like / Polyprotein cleavage domain PL2pro superfamily, coronavirus / Non-structural protein NSP3, SUD-N (Mac2) domain superfamily, betacoronavirus / Non-structural protein NSP1 superfamily, betacoronavirus / NendoU domain, nidovirus / Coronavirus replicase NSP15, uridylate-specific endoribonuclease / Endoribonuclease EndoU-like / Carbamoyl-phosphate synthase subdomain signature 2. / Betacoronavirus (BetaCoV) Nsp1 C-terminal domain profile. / DPUP/SUD, C-terminal, betacoronavirus / Betacoronavirus Nsp3c-M domain profile. / Betacoronavirus Nsp3c-C domain profile. / Betacoronavirus Nsp3e nucleic acid-binding (NAB) domain profile. / (+) RNA virus helicase core domain / (+)RNA virus helicase core domain profile. / Non-structural protein NSP3, SUD-M domain superfamily, betacoronavirus / Non-structural protein NSP3, SUD-M domain, betacoronavirus / Betacoronavirus single-stranded poly(A) binding domain / Betacoronavirus replicase NSP1 / Non-structural protein NSP1, betacoronavirus / Replicase polyprotein, nucleic acid-binding domain superfamily / Coronavirus (CoV) Nsp1 globular domain profile. / Non-structural protein 6, betacoronavirus / Non-structural protein NSP3, nucleic acid-binding domain, betacoronavirus / Betacoronavirus nucleic acid-binding (NAB) / Non-structural protein NSP3A domain-like superfamily / Papain-like protease, N-terminal domain superfamily, coronavirus / Coronavirus Nsp9 single-stranded RNA (ssRNA)-binding domain profile. / Coronavirus (CoV) ExoN/MTase coactivator domain profile. / Coronavirus RNA-dependent RNA polymerase (RdRp) Nsp8 cofactor domain profile. / Coronavirus RNA-dependent RNA polymerase (RdRp) Nsp7 cofactor domain profile. / NSP3, first ubiquitin-like (Ubl) domain, coronavirus / Papain-like protease, thumb domain superfamily, coronavirus / Lipocalin signature. / Coronavirus Nsp3a Ubl domain profile. / Coronavirus Nsp3d Ubl domain profile. / Coronavirus Nsp4 C-terminal (Nsp4C) domain profile. / Coronavirus replicase NSP2, N-terminal / Nonstructural protein 2, N-terminal domain, coronavirus / NSP3, second ubiquitin-like (Ubl) domain, coronavirus / Papain-like viral protease, palm and finger domains, coronavirus / Non-structural protein 2, C-terminal domain, coronavirus / Coronavirus replicase NSP2, C-terminal / Peptidase family C16 domain profile. / Non-structural protein NSP7, coronavirus / Non-structural protein NSP7 superfamily, coronavirus / Coronavirus replicase NSP7 / Coronavirus papain-like peptidase / Coronavirus replicase NSP4, C-terminal / Coronavirus replicase NSP6 / Coronavirus RNA synthesis protein NSP10 / Coronavirus endopeptidase C30 / Coronavirus replicase NSP3, C-terminal / Coronavirus replicase NSP8 / Non-structural protein NSP4, C-terminal superfamily, coronavirus / Coronavirus replicase NSP4, N-terminal / RNA synthesis protein NSP10, coronavirus / Coronavirus replicase NSP3, C-terminal / Coronavirus main protease (M-pro) domain profile. / Peptidase C16, coronavirus / Non-structural protein NSP9, coronavirus / Coronavirus replicase NSP4, N-terminal / Peptidase C30, coronavirus / Non-structural protein NSP4, C-terminal, coronavirus / Non-structural protein NSP8 superfamily, coronavirus / Non-structural protein 6, coronavirus / Peptidase C30, domain 3, coronavirus
Similarity search - Domain/homology
Replicase polyprotein 1ab
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.85 Å
AuthorsWang, Y.C. / Yang, C.S. / Hou, M.H. / Tsai, C.L. / Chou, Y.Z. / Chen, Y.
Funding support Taiwan, 1items
OrganizationGrant numberCountry
Ministry of Science and Technology (MoST, Taiwan)108-2311-B241-001 Taiwan
CitationJournal: Am J Cancer Res / Year: 2020
Title: Structural basis of SARS-CoV-2 main protease inhibition by a broad-spectrum anti-coronaviral drug.
Authors: Wang, Y.C. / Yang, W.H. / Yang, C.S. / Hou, M.H. / Tsai, C.L. / Chou, Y.Z. / Hung, M.C. / Chen, Y.
History
DepositionJun 9, 2020Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 5, 2021Provider: repository / Type: Initial release

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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


Theoretical massNumber of molelcules
Total (without water)67,7652
Polymers67,7652
Non-polymers00
Water1,63991
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2050 Å2
ΔGint-10 kcal/mol
Surface area26190 Å2
MethodPISA
Unit cell
γ
α
β
Length a, b, c (Å)68.130, 101.833, 104.557
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121
Space group name HallP2ac2ab
Symmetry operation#1: x,y,z
#2: x+1/2,-y+1/2,-z
#3: -x,y+1/2,-z+1/2
#4: -x+1/2,-y,z+1/2

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Components

#1: Protein 3C-like proteinase / 3CL-PRO / 3CLp


Mass: 33882.598 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)
References: UniProt: P0DTD1, SARS coronavirus main proteinase
#2: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 91 / Source method: isolated from a natural source / Formula: H2O

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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: 2.68 Å3/Da / Density % sol: 54.04 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 8.5 / Details: 0.1 M BICINE, 20% w/v Polyethylene glycol 10,000

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: NSRRC / Beamline: BL15A1 / Wavelength: 1 Å
DetectorType: RAYONIX MX300HE / Detector: CCD / Date: May 8, 2020
RadiationMonochromator: M / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.85→30 Å / Num. obs: 17571 / % possible obs: 95.2 % / Redundancy: 4.7 % / Biso Wilson estimate: 27.81 Å2 / Rmerge(I) obs: 0.149 / Net I/σ(I): 10.6
Reflection shellResolution: 2.85→2.95 Å / Redundancy: 5 % / Rmerge(I) obs: 0.783 / Num. unique obs: 1789

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Processing

Software
NameVersionClassification
PHENIX1.17.1_3660refinement
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6LU7
Resolution: 2.85→28.76 Å / SU ML: 0.4427 / Cross valid method: FREE R-VALUE / σ(F): 0 / Phase error: 30.2889
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.3092 1570 9.98 %
Rwork0.2013 14161 -
obs0.2121 15731 89.67 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 23.88 Å2
Refinement stepCycle: LAST / Resolution: 2.85→28.76 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4615 0 0 91 4706
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00934718
X-RAY DIFFRACTIONf_angle_d1.10826414
X-RAY DIFFRACTIONf_chiral_restr0.0568725
X-RAY DIFFRACTIONf_plane_restr0.0072834
X-RAY DIFFRACTIONf_dihedral_angle_d7.935637
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.85-2.940.43071130.25421021X-RAY DIFFRACTION73.02
2.94-3.050.35491340.24031243X-RAY DIFFRACTION88.55
3.05-3.170.37241400.21661283X-RAY DIFFRACTION90.58
3.17-3.310.35941410.22171311X-RAY DIFFRACTION92.54
3.31-3.490.35781470.23471327X-RAY DIFFRACTION93
3.49-3.710.33021590.20761318X-RAY DIFFRACTION93.66
3.71-3.990.30271400.20081304X-RAY DIFFRACTION90.93
3.99-4.390.27341470.17461283X-RAY DIFFRACTION89.54
4.39-5.020.26461390.1791262X-RAY DIFFRACTION87.34
5.02-6.320.27171480.19051369X-RAY DIFFRACTION93.24
6.32-28.760.24981620.16951440X-RAY DIFFRACTION93.36

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