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Yorodumi- PDB-7l56: Cryo-EM structure of the SARS-CoV-2 spike glycoprotein bound to F... -
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Basic information
| Entry | Database: PDB / ID: 7l56 | ||||||
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| Title | Cryo-EM structure of the SARS-CoV-2 spike glycoprotein bound to Fab 2-43 | ||||||
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Keywords | VIRAL PROTEIN/Immune System / SARS-CoV-2 / spike / glycoprotein / antibody / VIRAL PROTEIN / VIRAL PROTEIN-Immune System complex | ||||||
| Function / homology | Function and homology informationsymbiont-mediated disruption of host tissue / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / viral translation / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion ...symbiont-mediated disruption of host tissue / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / viral translation / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / membrane fusion / Attachment and Entry / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / receptor ligand activity / endocytosis involved in viral entry into host cell / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / symbiont entry into host cell / 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 | ![]() Homo sapiens (human) | ||||||
| Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.6 Å | ||||||
Authors | Rapp, M. / Shapiro, L. | ||||||
Citation | Journal: Cell Rep / Year: 2021Title: Modular basis for potent SARS-CoV-2 neutralization by a prevalent VH1-2-derived antibody class. Authors: Micah Rapp / Yicheng Guo / Eswar R Reddem / Jian Yu / Lihong Liu / Pengfei Wang / Gabriele Cerutti / Phinikoula Katsamba / Jude S Bimela / Fabiana A Bahna / Seetha M Mannepalli / Baoshan ...Authors: Micah Rapp / Yicheng Guo / Eswar R Reddem / Jian Yu / Lihong Liu / Pengfei Wang / Gabriele Cerutti / Phinikoula Katsamba / Jude S Bimela / Fabiana A Bahna / Seetha M Mannepalli / Baoshan Zhang / Peter D Kwong / Yaoxing Huang / David D Ho / Lawrence Shapiro / Zizhang Sheng / ![]() Abstract: Antibodies with heavy chains that derive from the VH1-2 gene constitute some of the most potent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-neutralizing antibodies yet identified. To ...Antibodies with heavy chains that derive from the VH1-2 gene constitute some of the most potent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-neutralizing antibodies yet identified. To provide insight into whether these genetic similarities inform common modes of recognition, we determine the structures of the SARS-CoV-2 spike in complex with three VH1-2-derived antibodies: 2-15, 2-43, and H4. All three use VH1-2-encoded motifs to recognize the receptor-binding domain (RBD), with heavy-chain N53I-enhancing binding and light-chain tyrosines recognizing F486. Despite these similarities, class members bind both RBD-up and -down conformations of the spike, with a subset of antibodies using elongated CDRH3s to recognize glycan N343 on a neighboring RBD-a quaternary interaction accommodated by an increase in RBD separation of up to 12 Å. The VH1-2 antibody class, thus, uses modular recognition encoded by modular genetic elements to effect potent neutralization, with the VH-gene component specifying recognition of RBD and the CDRH3 component specifying quaternary interactions. | ||||||
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Structure visualization
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| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 7l56.cif.gz | 632.6 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb7l56.ent.gz | 495.8 KB | Display | PDB format |
| PDBx/mmJSON format | 7l56.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Summary document | 7l56_validation.pdf.gz | 1.6 MB | Display | wwPDB validaton report |
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| Full document | 7l56_full_validation.pdf.gz | 1.6 MB | Display | |
| Data in XML | 7l56_validation.xml.gz | 98.5 KB | Display | |
| Data in CIF | 7l56_validation.cif.gz | 153.8 KB | Display | |
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/l5/7l56 ftp://data.pdbj.org/pub/pdb/validation_reports/l5/7l56 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 23165MC ![]() 7l57C ![]() 7l58C ![]() 7l5bC M: map data used to model this data C: citing same article ( |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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Components
-Protein , 1 types, 3 molecules ABC
| #1: Protein | Mass: 142399.375 Da / Num. of mol.: 3 / Mutation: K986P, V987P, R682G, R683S, R685S Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: S, 2 / Production host: Homo sapiens (human) / References: UniProt: P0DTC2 |
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-Antibody , 2 types, 6 molecules FHJGKL
| #2: Antibody | Mass: 14259.049 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human)#3: Antibody | Mass: 11484.504 Da / Num. of mol.: 3 Source method: isolated from a genetically manipulated source Source: (gene. exp.) Homo sapiens (human) / Production host: Homo sapiens (human) |
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-Sugars , 5 types, 40 molecules 
| #4: Polysaccharide | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose Source method: isolated from a genetically manipulated source #5: Polysaccharide | beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose- ...beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #6: Polysaccharide | beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose- ...beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #7: Polysaccharide | beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose- ...beta-D-galactopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-2)-alpha-D-mannopyranose-(1-6)-[alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-3)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #8: Sugar | ChemComp-NAG / |
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-Details
| Has ligand of interest | N |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: ELECTRON MICROSCOPY |
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| EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
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Sample preparation
| Component | Name: Cryo-EM structure of the SARS-CoV-2 spike glycoprotein bound to Fab 2-43 Type: COMPLEX / Entity ID: #1-#3 / Source: RECOMBINANT |
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| Source (natural) | Organism: Homo sapiens (human) |
| Source (recombinant) | Organism: Homo sapiens (human) |
| Buffer solution | pH: 5.5 |
| Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy imaging
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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| Microscopy | Model: FEI TITAN KRIOS |
| Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
| Electron lens | Mode: BRIGHT FIELD |
| Image recording | Electron dose: 51.69 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k) |
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Processing
| CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION |
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| 3D reconstruction | Resolution: 3.6 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 199753 / Symmetry type: POINT |
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