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- PDB-9fwn: Crystal Structure of SARS-CoV-2 NSP10-NSP14 (ExoN) in complex wit... -

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Basic information

Entry
Database: PDB / ID: 9fwn
TitleCrystal Structure of SARS-CoV-2 NSP10-NSP14 (ExoN) in complex with VT00219
Components
  • Guanine-N7 methyltransferase nsp14
  • Non-structural protein 10
KeywordsVIRAL PROTEIN / exoribonuclease / nsp10 / nsp14 / fragment screen
Function / homology
Function and homology information


viral genome replication / methyltransferase activity / protein guanylyltransferase activity / RNA endonuclease activity producing 3'-phosphomonoesters, hydrolytic mechanism / mRNA guanylyltransferase activity / 5'-3' RNA helicase activity / Lyases; Phosphorus-oxygen lyases / Assembly of the SARS-CoV-2 Replication-Transcription Complex (RTC) / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity / Maturation of replicase proteins ...viral genome replication / methyltransferase activity / protein guanylyltransferase activity / RNA endonuclease activity producing 3'-phosphomonoesters, hydrolytic mechanism / mRNA guanylyltransferase activity / 5'-3' RNA helicase activity / Lyases; Phosphorus-oxygen lyases / Assembly of the SARS-CoV-2 Replication-Transcription Complex (RTC) / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of TBK1 activity / Maturation of replicase proteins / TRAF3-dependent IRF activation pathway / ISG15-specific peptidase activity / Transcription of SARS-CoV-2 sgRNAs / Translation of Replicase and Assembly of the Replication Transcription Complex / snRNP Assembly / Replication of the SARS-CoV-2 genome / Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters / host cell endoplasmic reticulum-Golgi intermediate compartment / double membrane vesicle viral factory outer membrane / SARS coronavirus main proteinase / 5'-3' DNA helicase activity / 3'-5'-RNA exonuclease activity / host cell endosome / symbiont-mediated degradation of host mRNA / mRNA guanylyltransferase / symbiont-mediated suppression of host ISG15-protein conjugation / endonuclease activity / G-quadruplex RNA binding / symbiont-mediated suppression of host toll-like receptor signaling pathway / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity / omega peptidase activity / methylation / mRNA (guanine-N7)-methyltransferase / SARS-CoV-2 modulates host translation machinery / methyltransferase cap1 / host cell Golgi apparatus / symbiont-mediated suppression of host NF-kappaB cascade / symbiont-mediated perturbation of host ubiquitin-like protein modification / DNA helicase / methyltransferase cap1 activity / ubiquitinyl hydrolase 1 / cysteine-type deubiquitinase activity / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / single-stranded RNA binding / host cell perinuclear region of cytoplasm / regulation of autophagy / viral protein processing / lyase activity / host cell endoplasmic reticulum membrane / RNA helicase / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / symbiont-mediated suppression of host gene expression / copper ion binding / viral translational frameshifting / symbiont-mediated activation of host autophagy / RNA-directed RNA polymerase / cysteine-type endopeptidase activity / viral RNA genome replication / RNA-directed RNA polymerase activity / DNA-templated transcription / lipid binding / 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 (CoV) guanine-N7-methyltransferase (N7-MTase) domain profile. / Coronavirus (CoV) Nsp15 N-terminal oligomerization domain profile. / NSP12 RNA-dependent RNA polymerase, coronavirus / : ...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 (CoV) guanine-N7-methyltransferase (N7-MTase) domain profile. / Coronavirus (CoV) Nsp15 N-terminal oligomerization domain profile. / NSP12 RNA-dependent RNA polymerase, coronavirus / : / Coronavirus Nsp12 RNA-dependent RNA polymerase (RdRp) domain profile. / Coronavirus Nsp12 Interface domain profile. / : / : / Coronavirus Nonstructural protein 13, 1B domain / Coronavirus Non-structural protein 13, zinc-binding domain / Coronavirus Nonstructural protein 13, stalk domain / Nidovirus 2-O-methyltransferase / Nidovirus 2'-O-methyltransferase (2'-O-MTase) 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 / Coronavirus replicase NSP15, middle domain / Coronavirus replicase NSP15, N-terminal oligomerisation / Nidovirus 3'-5' exoribonuclease domain / Nidovirus 3'-5' exoribonuclease (ExoN) domain profile. / Non-structural protein NSP16, coronavirus-like / Non-structural protein 14, coronavirus / RNA polymerase, N-terminal, coronavirus / Coronavirus 2'-O-methyltransferase / Coronavirus proofreading exoribonuclease / Coronavirus RNA-dependent RNA polymerase, N-terminal / 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 / (+) RNA virus helicase core domain / (+)RNA virus helicase core domain profile. / 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 / 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.
Similarity search - Domain/homology
: / Replicase polyprotein 1a / Replicase polyprotein 1ab
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.866 Å
AuthorsKrojer, T. / Kozielski, F. / Sele, C. / Nyblom, M. / Fisher, S.Z. / Knecht, W.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: Crystal Structure of SARS-CoV-2 NSP10-NSP14 (ExoN) in complex with VT00219
Authors: Krojer, T. / Kozielski, F. / Sele, C. / Nyblom, M. / Fisher, S.Z. / Knecht, W.
History
DepositionJun 30, 2024Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jul 9, 2025Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Non-structural protein 10
B: Guanine-N7 methyltransferase nsp14
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,11210
Polymers46,5602
Non-polymers5538
Water3,333185
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area5290 Å2
ΔGint-40 kcal/mol
Surface area18200 Å2
MethodPISA
Unit cell
Length a, b, c (Å)61.464, 70.503, 108.617
Angle α, β, γ (deg.)90, 90, 90
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 2 types, 2 molecules AB

#1: Protein Non-structural protein 10 / nsp10 / Growth factor-like peptide / GFL


Mass: 13805.737 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
#2: Protein Guanine-N7 methyltransferase nsp14 / Non-structural protein 14 / nsp14 / Proofreading exoribonuclease nsp14 / ExoN


Mass: 32753.783 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, mRNA (guanine-N7)-methyltransferase, Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters

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Non-polymers , 5 types, 193 molecules

#3: Chemical
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Zn
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#5: Chemical ChemComp-A1IGN / 1-methyl-1-(phenylmethyl)urea


Mass: 164.204 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C9H12N2O / Feature type: SUBJECT OF INVESTIGATION
#6: Chemical ChemComp-DMS / DIMETHYL SULFOXIDE


Mass: 78.133 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6OS / Comment: DMSO, precipitant*YM
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 185 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY
Has protein modificationN

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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: 2.53 Å3/Da / Density % sol: 51.33 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop
Details: Morpheus buffer 2 (pH: 7.5): 0.10M - Morpheus Ethylene glycols: 30.50%w/v Morpheus Amino acids: 0.20M

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: MAX IV / Beamline: BioMAX / Wavelength: 0.97625 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Jul 9, 2022
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97625 Å / Relative weight: 1
ReflectionResolution: 1.866→59.137 Å / Num. obs: 39604 / % possible obs: 99 % / Redundancy: 13.39 %
Details: Some remarks regarding the mmCIF items written, the PDB Exchange Dictionary (PDBx/mmCIF) Version 5.0 supporting the data files in the current PDB archive (dictionary version 5.325, last ...Details: Some remarks regarding the mmCIF items written, the PDB Exchange Dictionary (PDBx/mmCIF) Version 5.0 supporting the data files in the current PDB archive (dictionary version 5.325, last updated 2020-04-13: http://mmcif.wwpdb.org/dictionaries/mmcif_pdbx_v50.dic/Index/) and the actual quantities provided by MRFANA (https://github.com/githubgphl/MRFANA) from the autoPROC package (https://www.globalphasing.com/autoproc/). In general, the mmCIF categories here should provide items that are currently used in the PDB archive. If there are alternatives, the one recommended by the PDB developers has been selected. The distinction between *_all and *_obs quantities is not always clear: often only one version is actively used within the PDB archive (or is the one recommended by PDB developers). The intention of distinguishing between classes of reflections before and after some kind of observation criterion was applied, can in principle be useful - but such criteria change in various ways throughout the data processing steps (rejection of overloaded or too partial reflections, outlier/misfit rejections during scaling etc) and there is no retrospect computation of data scaling/merging statistics for the reflections used in the final refinement (where another observation criterion might have been applied). Typical data processing will usually only provide one version of statistics at various stages and these are given in the recommended item here, irrespective of the "_all" and "_obs" connotation, see e.g. the use of _reflns.pdbx_Rmerge_I_obs, _reflns.pdbx_Rrim_I_all and _reflns.pdbx_Rpim_I_all. Please note that all statistics related to "merged intensities" (or "merging") are based on inverse-variance weighting of the individual measurements making up a symmetry-unique reflection. This is standard for several decades now, even if some of the dictionary definitions seem to suggest that a simple "mean" or "average" intensity is being used instead. R-values are always given for all symmetry-equivalent reflections following Friedel's law, i.e. Bijvoet pairs are not treated separately (since we want to describe the overall mean intensity and not the mean I(+) and I(-) here). The Rrim metric is identical to the Rmeas R-value and only differs in name. _reflns.pdbx_number_measured_all is the number of measured intensities just before the final merging step (at which point no additional rejection takes place). _reflns.number_obs is the number of symmetry-unique observations, i.e. the result of merging those measurements via inverse-variance weighting. _reflns.pdbx_netI_over_sigmaI is based on the merged intensities (_reflns.number_obs) as expected. _reflns.pdbx_redundancy is synonymous with "multiplicity". The per-shell item _reflns_shell.number_measured_all corresponds to the overall value _reflns.pdbx_number_measured_all. The per-shell item _reflns_shell.number_unique_all corresponds to the overall value _reflns.number_obs. The per-shell item _reflns_shell.percent_possible_all corresponds to the overall value _reflns.percent_possible_obs. The per-shell item _reflns_shell.meanI_over_sigI_obs corresponds to the overall value given as _reflns.pdbx_netI_over_sigmaI. But be aware of the incorrect definition of the former in the current dictionary!
CC1/2: 0.998 / CC1/2 anomalous: -0.126 / Rmerge(I) obs: 0.1137 / Rpim(I) all: 0.0322 / Rrim(I) all: 0.1183 / AbsDiff over sigma anomalous: 0.832 / Net I/σ(I): 14.64 / Num. measured all: 530102 / % possible anomalous: 98.9 / Redundancy anomalous: 7.07
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured allNum. measured obsNum. unique allNum. unique obsCC1/2CC1/2 anomalousRpim(I) allRrim(I) allAbsDiff over sigma anomalous% possible anomalousRedundancy anomalous% possible all
5.063-59.13712.450.051939.472702427024217121710.998-0.0050.01520.05411.2271007.1999.9
4.019-5.06313.170.050139.152715227152206120610.997-0.1980.01420.05210.9251007.2100
3.511-4.01912.970.059334.762563325633197719770.997-0.1440.01690.06170.88297.16.9897.2
3.19-3.51112.970.081227.912424624246186918690.995-0.2460.02340.08450.904926.9692.5
2.961-3.1913.430.097924.022712527125202020200.995-0.2290.02770.10180.871007.11100
2.787-2.96113.60.123320.272708227082199219920.993-0.1410.03480.12820.8981007.18100
2.647-2.78713.310.155116.42392323923179817980.99-0.1770.04360.16130.84689.27.0789.7
2.532-2.64713.860.1814.622764127641199419940.989-0.1850.050.1870.8621007.28100
2.434-2.53213.920.226312.372780827808199819980.988-0.0830.06280.2350.8171007.31100
2.35-2.43413.430.271610.492628726287195719570.981-0.0910.07660.28240.8081007.03100
2.277-2.3513.030.32668.972579225792197919790.977-0.0350.09370.340.791006.8100
2.212-2.27713.360.39817.762687926879201220120.973-0.0020.11270.41410.791007.01100
2.154-2.21213.560.44497.172703227032199419940.9670.0230.12490.46240.8181007.08100
2.101-2.15413.460.54395.922653026530197119710.963-0.0450.1530.56530.771007.02100
2.053-2.10113.480.68554.952642826428196019600.938-0.010.19240.71240.8091007.02100
2.01-2.05313.450.8274.122680226802199319930.909-0.0250.23230.85950.7431007.03100
1.969-2.0113.540.91943.612659926599196419640.901-0.0180.25760.95530.7471007.04100
1.932-1.96913.561.125932671726717197019700.857-0.0460.31491.16980.7511007.05100
1.898-1.93213.561.28412.642680826808197719770.839-0.0490.35941.33420.7481007.05100
1.866-1.89813.661.53482.152659426594194719470.766-0.0620.42781.59430.6931007.07100

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Processing

Software
NameVersionClassification
autoPROCdata processing
XDSJan 10, 2022data reduction
Aimless0.7.7data scaling
TRUNCATE7.1.015data processing
BUSTER2.10.4refinement
RefinementMethod to determine structure: FOURIER SYNTHESIS / Resolution: 1.866→35.25 Å / Cor.coef. Fo:Fc: 0.934 / Cor.coef. Fo:Fc free: 0.926 / SU R Cruickshank DPI: 0.14 / Cross valid method: THROUGHOUT / SU R Blow DPI: 0.144 / SU Rfree Blow DPI: 0.128 / SU Rfree Cruickshank DPI: 0.126
RfactorNum. reflection% reflectionSelection details
Rfree0.2307 2025 -RANDOM
Rwork0.2064 ---
obs0.2076 39598 99 %-
Displacement parametersBiso mean: 33.19 Å2
Baniso -1Baniso -2Baniso -3
1--10.2847 Å20 Å20 Å2
2--3.6577 Å20 Å2
3---6.627 Å2
Refine analyzeLuzzati coordinate error obs: 0.23 Å
Refinement stepCycle: LAST / Resolution: 1.866→35.25 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3192 0 22 185 3399
Refine LS restraints
Refine-IDTypeDev idealNumberRestraint functionWeight
X-RAY DIFFRACTIONt_bond_d0.0083322HARMONIC2
X-RAY DIFFRACTIONt_angle_deg0.984523HARMONIC2
X-RAY DIFFRACTIONt_dihedral_angle_d1108SINUSOIDAL2
X-RAY DIFFRACTIONt_gen_planes564HARMONIC5
X-RAY DIFFRACTIONt_it3322HARMONIC10
X-RAY DIFFRACTIONt_chiral_improper_torsion443SEMIHARMONIC5
X-RAY DIFFRACTIONt_ideal_dist_contact2908SEMIHARMONIC4
X-RAY DIFFRACTIONt_omega_torsion3.67
X-RAY DIFFRACTIONt_other_torsion15.86
LS refinement shellResolution: 1.87→1.88 Å
RfactorNum. reflection% reflection
Rfree0.2369 32 -
Rwork0.2753 --
obs0.2737 792 100 %

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