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- PDB-7upl: SARS-Cov2 Omicron varient S protein structure in complex with neu... -

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Basic information

Entry
Database: PDB / ID: 7upl
TitleSARS-Cov2 Omicron varient S protein structure in complex with neutralizing monoclonal antibody 002-S21F2
Components
  • Spike glycoprotein
  • mAB 002-S21F2 light chain
  • mAb 002-S21F2 heavy chain
KeywordsVIRAL PROTEIN / SARS-Cov2 / 6P / spike protein / immune complex
Function / homology
Function and homology information


Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane ...Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / entry receptor-mediated virion attachment to host cell / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / membrane fusion / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / virion membrane / identical protein binding / membrane / plasma membrane
Similarity search - Function
Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like ...Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Spike glycoprotein, N-terminal domain superfamily / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike glycoprotein, betacoronavirus / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Spike glycoprotein S2, coronavirus, heptad repeat 1 / Spike glycoprotein S2, coronavirus, heptad repeat 2 / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 2 (HR2) region profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 1 (HR1) region profile. / Spike glycoprotein S2 superfamily, coronavirus / Spike glycoprotein S2, coronavirus / Coronavirus spike glycoprotein S2 / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal
Similarity search - Domain/homology
Biological speciesSevere acute respiratory syndrome coronavirus 2
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 4.1 Å
AuthorsPatel, A. / Ortlund, E.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of Biomedical Imaging and Bioengineering (NIH/NIBIB)3U54EB027690-04S United States
CitationJournal: Sci Adv / Year: 2022
Title: Structural insights for neutralization of Omicron variants BA.1, BA.2, BA.4, and BA.5 by a broadly neutralizing SARS-CoV-2 antibody.
Authors: Sanjeev Kumar / Anamika Patel / Lilin Lai / Chennareddy Chakravarthy / Rajesh Valanparambil / Elluri Seetharami Reddy / Kamalvishnu Gottimukkala / Meredith E Davis-Gardner / Venkata ...Authors: Sanjeev Kumar / Anamika Patel / Lilin Lai / Chennareddy Chakravarthy / Rajesh Valanparambil / Elluri Seetharami Reddy / Kamalvishnu Gottimukkala / Meredith E Davis-Gardner / Venkata Viswanadh Edara / Susanne Linderman / Kaustuv Nayak / Kritika Dixit / Pragati Sharma / Prashant Bajpai / Vanshika Singh / Filipp Frank / Narayanaiah Cheedarla / Hans P Verkerke / Andrew S Neish / John D Roback / Grace Mantus / Pawan Kumar Goel / Manju Rahi / Carl W Davis / Jens Wrammert / Sucheta Godbole / Amy R Henry / Daniel C Douek / Mehul S Suthar / Rafi Ahmed / Eric Ortlund / Amit Sharma / Kaja Murali-Krishna / Anmol Chandele /
Abstract: In this study, by characterizing several human monoclonal antibodies (mAbs) isolated from single B cells of the COVID-19-recovered individuals in India who experienced ancestral Wuhan strain (WA.1) ...In this study, by characterizing several human monoclonal antibodies (mAbs) isolated from single B cells of the COVID-19-recovered individuals in India who experienced ancestral Wuhan strain (WA.1) of SARS-CoV-2 during early stages of the pandemic, we found a receptor binding domain (RBD)-specific mAb 002-S21F2 that has rare gene usage and potently neutralized live viral isolates of SARS-CoV-2 variants including Alpha, Beta, Gamma, Delta, and Omicron sublineages (BA.1, BA.2, BA.2.12.1, BA.4, and BA.5) with IC ranging from 0.02 to 0.13 μg/ml. Structural studies of 002-S21F2 in complex with spike trimers of Omicron and WA.1 showed that it targets a conformationally conserved epitope on the outer face of RBD (class 3 surface) outside the ACE2-binding motif, thereby providing a mechanistic insights for its broad neutralization activity. The discovery of 002-S21F2 and the broadly neutralizing epitope it targets have timely implications for developing a broad range of therapeutic and vaccine interventions against SARS-CoV-2 variants including Omicron sublineages.
History
DepositionApr 15, 2022Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 10, 2022Provider: repository / Type: Initial release
Revision 1.1Feb 22, 2023Group: Database references / Category: citation / citation_author
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Spike glycoprotein
B: Spike glycoprotein
C: Spike glycoprotein
D: mAB 002-S21F2 light chain
E: mAb 002-S21F2 heavy chain
F: mAb 002-S21F2 heavy chain
I: mAB 002-S21F2 light chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)573,41348
Polymers561,7027
Non-polymers11,71141
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein Spike glycoprotein / S glycoprotein / E2 / Peplomer protein


Mass: 138586.016 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2
Gene: S, 2
Variant: B.1.1.529 SARS-CoV-2 spike protein variant (S-GSAS-B.1.1.529)
Cell line (production host): Expi293 / Production host: Homo sapiens (human) / References: UniProt: P0DTC2
#2: Antibody mAB 002-S21F2 light chain


Mass: 23648.248 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): Expi293 / Production host: Homo sapiens (human)
#3: Antibody mAb 002-S21F2 heavy chain


Mass: 49323.574 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Cell line (production host): expi293 / Production host: Homo sapiens (human)
#4: Polysaccharide
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 13
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#5: Sugar...
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 28 / Source method: obtained synthetically / Formula: C8H15NO6 / Feature type: SUBJECT OF INVESTIGATION
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

Component
IDNameTypeEntity IDParent-IDSource
1SARS-Cov2 Spike trimer in complex with monoclonal antibodyCOMPLEX#1-#30RECOMBINANT
2Spike glycoproteinCOMPLEX#11RECOMBINANT
3mAb 002-S21F2COMPLEX#2-#31RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)
IDEntity assembly-IDOrganismNcbi tax-IDStrain
12Severe acute respiratory syndrome coronavirus 226970492019-nCoV, SARS-CoV-2
23Homo sapiens (human)9606
Source (recombinant)
IDEntity assembly-IDOrganismNcbi tax-IDCell
12Homo sapiens (human)9606293F
23Homo sapiens (human)9606
Buffer solutionpH: 7.4
Buffer component
IDConc.NameFormulaBuffer-ID
1137 mMSodium chlorideNaCl1
22.7 mMPotassium ChlorideKCl1
38 mMSodium hydrogen PhosphateNa2HPO41
42 mMPotassium Di-hydrogen PhosphateKH2PO41
SpecimenConc.: 0.7 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid mesh size: 400 divisions/in. / Grid type: C-flat-1.2/1.3
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 297 K / Details: Wait time 20 seconds and blot time 3 seconds

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Electron microscopy imaging

Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company
MicroscopyModel: FEI TALOS ARCTICA
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 200 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 79000 X / Nominal defocus max: 2400 nm / Nominal defocus min: 1000 nm / Cs: 2.7 mm
Specimen holderCryogen: NITROGEN
Image recordingElectron dose: 51 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Num. of grids imaged: 2 / Num. of real images: 4553

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Processing

SoftwareName: PHENIX / Version: 1.20.1_4487: / Classification: refinement
EM software
IDNameVersionCategoryDetails
4cryoSPARC3.3.1CTF correctionpatch CTF estimation (multi)
7UCSF ChimeraXmodel fitting
10cryoSPARC3.3.1final Euler assignment
11cryoSPARC3.3.1classification
12cryoSPARC3.3.13D reconstruction
13PHENIXmodel refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 2553301
3D reconstructionResolution: 4.1 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 108816 / Num. of class averages: 1 / Symmetry type: POINT
Atomic model buildingB value: 140 / Protocol: RIGID BODY FIT / Space: REAL / Target criteria: Correlation coefficient
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00432889
ELECTRON MICROSCOPYf_angle_d0.62744761
ELECTRON MICROSCOPYf_dihedral_angle_d5.7564645
ELECTRON MICROSCOPYf_chiral_restr0.0485225
ELECTRON MICROSCOPYf_plane_restr0.0055696

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