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- PDB-7vfb: the complex of SARS-CoV2 3cl and NB2B4 -

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Basic information

Entry
Database: PDB / ID: 7vfb
Titlethe complex of SARS-CoV2 3cl and NB2B4
Components
  • 3C-like proteinase
  • nb2b4
KeywordsVIRAL PROTEIN/IMMUNE SYSTEM / SARS-CoV2 / 3cl / nanobody / VIRAL PROTEIN / VIRAL PROTEIN-IMMUNE SYSTEM complex
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 / double membrane vesicle viral factory outer membrane / SARS coronavirus main proteinase ...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 / 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 / SARS-CoV-2 modulates host translation machinery / 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 / viral protein processing / host cell perinuclear region of cytoplasm / host cell endoplasmic reticulum membrane / 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 / lipid binding / host cell nucleus / SARS-CoV-2 activates/modulates innate and adaptive immune responses / proteolysis / zinc ion binding / membrane
Similarity search - Function
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 ...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 / 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. / 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 / 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 / Immunoglobulins / Peptidase S1, PA clan / Immunoglobulin-like / Sandwich / Orthogonal Bundle / Mainly Beta / Mainly Alpha
Similarity search - Domain/homology
Replicase polyprotein 1a
Similarity search - Component
Biological speciesCamelus bactrianus (Bactrian camel)
Severe acute respiratory syndrome coronavirus 2
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsGeng, Y. / Sun, Z.C. / Wang, L.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)31670743 China
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2022
Title: An extended conformation of SARS-CoV-2 main protease reveals allosteric targets.
Authors: Sun, Z. / Wang, L. / Li, X. / Fan, C. / Xu, J. / Shi, Z. / Qiao, H. / Lan, Z. / Zhang, X. / Li, L. / Zhou, X. / Geng, Y.
History
DepositionSep 11, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Mar 30, 2022Provider: repository / Type: Initial release
Revision 1.1Apr 6, 2022Group: Database references / Category: citation / citation_author / Item: _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Nov 29, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.3Nov 20, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
B: nb2b4
A: 3C-like proteinase


Theoretical massNumber of molelcules
Total (without water)48,2532
Polymers48,2532
Non-polymers00
Water4,270237
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1680 Å2
ΔGint-9 kcal/mol
Surface area20060 Å2
MethodPISA
Unit cell
Length a, b, c (Å)254.605, 33.492, 48.740
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number18
Space group name H-MP21212
Space group name HallP22ab
Symmetry operation#1: x,y,z
#2: x+1/2,-y+1/2,-z
#3: -x+1/2,y+1/2,-z
#4: -x,-y,z

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Components

#1: Antibody nb2b4


Mass: 14427.025 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Camelus bactrianus (Bactrian camel) / Production host: Escherichia coli (E. coli)
#2: Protein 3C-like proteinase / 3CL-PRO / 3CLp / Main protease / Mpro / Non-structural protein 5 / nsp5 / SARS coronavirus main proteinase


Mass: 33825.547 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, SARS coronavirus main proteinase
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 237 / Source method: isolated from a natural source / Formula: H2O
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: 2.15 Å3/Da / Density % sol: 42.88 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / Details: PEG6000, potassium phosphate

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Data collection

DiffractionMean temperature: 97 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRF / Beamline: BL19U1 / Wavelength: 0.978 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: Jul 12, 2021
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.978 Å / Relative weight: 1
ReflectionResolution: 2→33.21 Å / Num. obs: 28381 / % possible obs: 96.45 % / Redundancy: 9.9 % / Biso Wilson estimate: 23.44 Å2 / CC1/2: 0.99 / Net I/σ(I): 2
Reflection shellResolution: 2→2.071 Å / Num. unique obs: 2311 / CC1/2: 0.98

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Processing

Software
NameVersionClassification
PHENIX1.17.1_3660refinement
HKL-3000data reduction
HKL-3000data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 6LU7

6lu7


Resolution: 2→33.21 Å / SU ML: 0.2722 / Cross valid method: FREE R-VALUE / σ(F): 1.37 / Phase error: 27.0385
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2636 1423 5.01 %
Rwork0.2355 26958 -
obs0.2369 28381 96.42 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 32.37 Å2
Refinement stepCycle: LAST / Resolution: 2→33.21 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3214 0 0 237 3451
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00373285
X-RAY DIFFRACTIONf_angle_d0.60434459
X-RAY DIFFRACTIONf_chiral_restr0.0431499
X-RAY DIFFRACTIONf_plane_restr0.0046575
X-RAY DIFFRACTIONf_dihedral_angle_d13.0629449
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2-2.070.38521180.29062178X-RAY DIFFRACTION79.61
2.07-2.150.29551280.27952540X-RAY DIFFRACTION93.22
2.15-2.250.32671240.2622694X-RAY DIFFRACTION97.04
2.25-2.370.30921560.25292690X-RAY DIFFRACTION97.8
2.37-2.520.3051420.25782683X-RAY DIFFRACTION98.26
2.52-2.710.28731610.25622725X-RAY DIFFRACTION98.63
2.71-2.990.30091570.24762762X-RAY DIFFRACTION99.83
2.99-3.420.22411430.23892819X-RAY DIFFRACTION99.87
3.42-4.30.22251420.20212855X-RAY DIFFRACTION99.97
4.3-33.210.22911520.21383012X-RAY DIFFRACTION99.37
Refinement TLS params.Method: refined / Origin x: -35.5584872469 Å / Origin y: -5.65656439034 Å / Origin z: 2.26179094289 Å
111213212223313233
T0.0211688725043 Å20.146808470532 Å20.0169203037779 Å2-0.0183632394648 Å2-0.0614702976878 Å2--0.0345070734031 Å2
L0.20555743186 °2-0.0723862498638 °2-0.092258946855 °2-0.133722380267 °20.0692676253413 °2--0.137177689576 °2
S-0.0125581749039 Å °-0.174874428423 Å °-0.0733559753024 Å °-0.0268398714739 Å °0.0303055570155 Å °0.00714648408409 Å °0.112475057196 Å °0.0352295771389 Å °0.167086873144 Å °
Refinement TLS groupSelection details: all

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