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- PDB-7l6r: Crystal Structure of SARS-CoV-2 Nsp16/10 Heterodimer in Complex w... -
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Basic information
Entry | Database: PDB / ID: 7l6r | |||||||||
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Title | Crystal Structure of SARS-CoV-2 Nsp16/10 Heterodimer in Complex with (m7GpppA2m)pUpUpApApA (Cap-1), S-Adenosyl-L-homocysteine (SAH) and Manganese (Mn). | |||||||||
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![]() | VIRAL PROTEIN/RNA / Structural Genomics / Center for Structural Genomics of Infectious Diseases / CSGID / nsp16 / nsp10 / complex / VIRAL PROTEIN / SAH / Cap-1 / VIRAL PROTEIN-RNA complex | |||||||||
Function / homology | ![]() protein guanylyltransferase activity / RNA endonuclease activity producing 3'-phosphomonoesters, hydrolytic mechanism / 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, hydrolytic mechanism / 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 / Hydrolases; Acting on ester bonds; Exoribonucleases producing 5'-phosphomonoesters / double membrane vesicle viral factory outer membrane / host cell endoplasmic reticulum-Golgi intermediate compartment / SARS coronavirus main proteinase / 3'-5'-RNA exonuclease activity / 5'-3' DNA helicase activity / host cell endosome / symbiont-mediated degradation of host mRNA / mRNA guanylyltransferase / symbiont-mediated suppression of host toll-like receptor signaling pathway / symbiont-mediated suppression of host ISG15-protein conjugation / G-quadruplex RNA binding / omega peptidase activity / symbiont-mediated suppression of host cytoplasmic pattern recognition receptor signaling pathway via inhibition of IRF3 activity / SARS-CoV-2 modulates host translation machinery / mRNA (guanine-N7)-methyltransferase / methyltransferase cap1 / host cell Golgi apparatus / symbiont-mediated perturbation of host ubiquitin-like protein modification / symbiont-mediated suppression of host NF-kappaB cascade / DNA helicase / methyltransferase cap1 activity / ubiquitinyl hydrolase 1 / mRNA 5'-cap (guanine-N7-)-methyltransferase activity / cysteine-type deubiquitinase activity / forked DNA-dependent helicase activity / single-stranded 3'-5' DNA helicase activity / four-way junction helicase activity / double-stranded DNA helicase activity / Hydrolases; Acting on peptide bonds (peptidases); Cysteine endopeptidases / single-stranded RNA binding / host cell perinuclear region of cytoplasm / viral protein processing / lyase activity / host cell endoplasmic reticulum membrane / RNA helicase / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / copper ion binding / symbiont-mediated activation of host autophagy / viral translational frameshifting / RNA-directed RNA polymerase / chromatin extrusion motor activity / ATP-dependent H2AZ histone chaperone activity / ATP-dependent H3-H4 histone complex chaperone activity / cohesin loader activity / cysteine-type endopeptidase activity / viral RNA genome replication / DNA clamp loader activity / symbiont-mediated suppression of host gene expression / 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 | |||||||||
Biological species | ![]() ![]() synthetic construct (others) | |||||||||
Method | ![]() ![]() ![]() | |||||||||
![]() | Minasov, G. / Shuvalova, L. / Rosas-Lemus, M. / Kiryukhina, O. / Brunzelle, J.S. / Satchell, K.J.F. / Center for Structural Genomics of Infectious Diseases (CSGID) | |||||||||
![]() | ![]() Title: Mn 2+ coordinates Cap-0-RNA to align substrates for efficient 2'- O -methyl transfer by SARS-CoV-2 nsp16. Authors: Minasov, G. / Rosas-Lemus, M. / Shuvalova, L. / Inniss, N.L. / Brunzelle, J.S. / Daczkowski, C.M. / Hoover, P. / Mesecar, A.D. / Satchell, K.J.F. | |||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 202 KB | Display | ![]() |
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PDB format | ![]() | 156.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.7 MB | Display | ![]() |
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Full document | ![]() | 1.7 MB | Display | |
Data in XML | ![]() | 22.2 KB | Display | |
Data in CIF | ![]() | 32.7 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 7jyyC ![]() 7l6tC ![]() 6w4hS S: Starting model for refinement C: citing same article ( |
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Similar structure data | |
Other databases |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
-Protein , 2 types, 2 molecules AB
#1: Protein | Mass: 33556.426 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Gene: rep, 1a-1b / Plasmid: pMCSG53 / Production host: ![]() ![]() References: UniProt: P0DTD1, Transferases; Transferring one-carbon groups; Methyltransferases |
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#2: Protein | Mass: 15004.114 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Gene: rep, 1a-1b / Plasmid: pMCSG53 / Production host: ![]() ![]() |
-RNA chain , 1 types, 1 molecules C
#3: RNA chain | Mass: 2338.444 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) synthetic construct (others) |
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-Sugars , 2 types, 5 molecules 


#8: Sugar | ChemComp-GLC / #10: Sugar | ChemComp-BDF / | |
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-Non-polymers , 6 types, 347 molecules 










#4: Chemical | ChemComp-MN / | ||||||||
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#5: Chemical | #6: Chemical | ChemComp-SO4 / | #7: Chemical | ChemComp-SAH / | #9: Chemical | ChemComp-ZN / | #11: Water | ChemComp-HOH / | |
-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 4.33 Å3/Da / Density % sol: 71.6 % |
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Crystal grow | Temperature: 292 K / Method: vapor diffusion, sitting drop / pH: 9 Details: Protein: 3.0 mg/ml (nsp10/nsp16 1:1), 0.15M Sodium chloride, 0.01M Tris pH 7.5 , 2mM SAM, 1mM TCEP, 5% Glycerol; Screen: Ammonium sulfate (E2), 0.1M Citric acid pH 5.0, 0.8M Ammonium sulfate; ...Details: Protein: 3.0 mg/ml (nsp10/nsp16 1:1), 0.15M Sodium chloride, 0.01M Tris pH 7.5 , 2mM SAM, 1mM TCEP, 5% Glycerol; Screen: Ammonium sulfate (E2), 0.1M Citric acid pH 5.0, 0.8M Ammonium sulfate; Soak: 6hours, 0.2mM m7GpppAUUAAA, 5mM SAM, 20mM Manganese chloride in screen solution; Cryo: 25% Sucrose in screen solution. |
-Data collection
Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: DECTRIS EIGER X 9M / Detector: PIXEL / Date: Oct 5, 2020 / Details: Be |
Radiation | Monochromator: Diamond / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5498 Å / Relative weight: 1 |
Reflection | Resolution: 1.98→30 Å / Num. obs: 59455 / % possible obs: 100 % / Observed criterion σ(I): -3 / Redundancy: 9.8 % / Biso Wilson estimate: 33 Å2 / CC1/2: 0.997 / CC star: 0.999 / Rmerge(I) obs: 0.095 / Rpim(I) all: 0.032 / Rrim(I) all: 0.101 / Rsym value: 0.095 / Χ2: 1.463 / Net I/σ(I): 31.2 |
Reflection shell | Resolution: 1.98→2.01 Å / Redundancy: 9.3 % / Rmerge(I) obs: 1.203 / Mean I/σ(I) obs: 2 / Num. unique obs: 2968 / CC1/2: 0.663 / CC star: 0.999 / Rpim(I) all: 0.411 / Rrim(I) all: 1.273 / Rsym value: 1.203 / Χ2: 1.007 / % possible all: 100 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 6w4h Resolution: 1.98→29.95 Å / Cor.coef. Fo:Fc: 0.972 / Cor.coef. Fo:Fc free: 0.967 / SU B: 4.451 / SU ML: 0.064 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.093 / ESU R Free: 0.088 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 150.6 Å2 / Biso mean: 43.986 Å2 / Biso min: 21.03 Å2
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Refinement step | Cycle: final / Resolution: 1.98→29.95 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.98→2.032 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
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Refinement TLS params. | Method: refined / Refine-ID: X-RAY DIFFRACTION
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Refinement TLS group |
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