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Yorodumi- PDB-8dtk: Structure of RBD directed antibody DH1047 in complex with SARS-Co... -
+Open data
-Basic information
Entry | Database: PDB / ID: 8dtk | ||||||
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Title | Structure of RBD directed antibody DH1047 in complex with SARS-CoV-2 spike: Local refinement of RBD-Fab interace | ||||||
Components |
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Keywords | Viral Protein/Immune System / RBD / Fab / Viral Protein / Viral Protein-Immune System 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 / entry receptor-mediated virion attachment to host cell ...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 / entry receptor-mediated virion attachment to host cell / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / membrane fusion / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / 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 | ||||||
Biological species | Severe acute respiratory syndrome coronavirus 2 Homo sapiens (human) | ||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.77 Å | ||||||
Authors | May, A.J. / Manne, K. / Acharya, P. | ||||||
Funding support | United States, 1items
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Citation | Journal: bioRxiv / Year: 2023 Title: Broadly neutralizing antibody induction by non-stabilized SARS-CoV-2 Spike mRNA vaccination in nonhuman primates. Authors: R Dilshan Malewana / Victoria Stalls / Aaron May / Xiaozhi Lu / David R Martinez / Alexandra Schäfer / Dapeng Li / Maggie Barr / Laura L Sutherland / Esther Lee / Robert Parks / Whitney ...Authors: R Dilshan Malewana / Victoria Stalls / Aaron May / Xiaozhi Lu / David R Martinez / Alexandra Schäfer / Dapeng Li / Maggie Barr / Laura L Sutherland / Esther Lee / Robert Parks / Whitney Edwards Beck / Amanda Newman / Kevin W Bock / Mahnaz Minai / Bianca M Nagata / C Todd DeMarco / Thomas N Denny / Thomas H Oguin / Wes Rountree / Yunfei Wang / Katayoun Mansouri / Robert J Edwards / Gregory D Sempowski / Amanda Eaton / Hiromi Muramatsu / Rory Henderson / Ying Tam / Christopher Barbosa / Juanjie Tang / Derek W Cain / Sampa Santra / Ian N Moore / Hanne Andersen / Mark G Lewis / Hana Golding / Robert Seder / Surender Khurana / David C Montefiori / Norbert Pardi / Drew Weissman / Ralph S Baric / Priyamvada Acharya / Barton F Haynes / Kevin O Saunders / Abstract: Immunization with mRNA or viral vectors encoding spike with diproline substitutions (S-2P) has provided protective immunity against severe COVID-19 disease. How immunization with Severe Acute ...Immunization with mRNA or viral vectors encoding spike with diproline substitutions (S-2P) has provided protective immunity against severe COVID-19 disease. How immunization with Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) spike elicits neutralizing antibodies (nAbs) against difficult-to-neutralize variants of concern (VOCs) remains an area of great interest. Here, we compare immunization of macaques with mRNA vaccines expressing ancestral spike either including or lacking diproline substitutions, and show the diproline substitutions were not required for protection against SARS-CoV-2 challenge or induction of broadly neutralizing B cell lineages. One group of nAbs elicited by the ancestral spike lacking diproline substitutions targeted the outer face of the receptor binding domain (RBD), neutralized all tested SARS-CoV-2 VOCs including Omicron XBB.1.5, but lacked cross-Sarbecovirus neutralization. Structural analysis showed that the macaque broad SARS-CoV-2 VOC nAbs bound to the same epitope as a human broad SARS-CoV-2 VOC nAb, DH1193. Vaccine-induced antibodies that targeted the RBD inner face neutralized multiple Sarbecoviruses, protected mice from bat CoV RsSHC014 challenge, but lacked Omicron variant neutralization. Thus, ancestral SARS-CoV-2 spike lacking proline substitutions encoded by nucleoside-modified mRNA can induce B cell lineages binding to distinct RBD sites that either broadly neutralize animal and human Sarbecoviruses or recent Omicron VOCs. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8dtk.cif.gz | 157 KB | Display | PDBx/mmCIF format |
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PDB format | pdb8dtk.ent.gz | 125.1 KB | Display | PDB format |
PDBx/mmJSON format | 8dtk.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8dtk_validation.pdf.gz | 1.1 MB | Display | wwPDB validaton report |
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Full document | 8dtk_full_validation.pdf.gz | 1.1 MB | Display | |
Data in XML | 8dtk_validation.xml.gz | 32.2 KB | Display | |
Data in CIF | 8dtk_validation.cif.gz | 44.2 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/dt/8dtk ftp://data.pdbj.org/pub/pdb/validation_reports/dt/8dtk | HTTPS FTP |
-Related structure data
Related structure data | 27703MC M: map data used to model this data C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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1 |
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-Components
#1: Protein | Mass: 22758.518 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Severe acute respiratory syndrome coronavirus 2 Gene: S, 2 / Production host: Homo sapiens (human) / References: UniProt: P0DTC2 | ||
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#2: Antibody | Mass: 12638.008 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) | ||
#3: Antibody | Mass: 14615.087 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) | ||
#4: Sugar | Has ligand of interest | N | |
-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: RBD directed antibody DH1047 in complex with SARS-CoV-2 Spike Type: COMPLEX / Entity ID: #1-#3 / Source: RECOMBINANT |
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Source (natural) | Organism: Severe acute respiratory syndrome coronavirus 2 |
Source (recombinant) | Organism: Homo sapiens (human) |
Buffer solution | pH: 8 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: TFS KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 3000 nm / Nominal defocus min: 500 nm |
Image recording | Electron dose: 66.77 e/Å2 / Film or detector model: GATAN K3 (6k x 4k) |
-Processing
Software | Name: PHENIX / Version: 1.20.1_4487: / Classification: refinement | |||||||||||||||||||||
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CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | |||||||||||||||||||||
3D reconstruction | Resolution: 3.77 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 398238 / Symmetry type: POINT | |||||||||||||||||||||
Atomic model building |
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