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Open data
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Basic information
Entry | Database: PDB / ID: 8hc5 | ||||||||||||
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Title | SARS-CoV-2 wildtype S1 in complex with YB9-258 Fab and R1-32 Fab | ||||||||||||
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![]() | VIRAL PROTEIN/IMMUNE SYSTEM / Spike protein / RBD / antibody / Fab / VIRAL PROTEIN / VIRAL PROTEIN-IMMUNE SYSTEM complex | ||||||||||||
Function / homology | ![]() Maturation of spike protein / viral translation / Translation of Structural Proteins / host cell surface / Virion Assembly and Release / host extracellular space / 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 ...Maturation of spike protein / viral translation / Translation of Structural Proteins / host cell surface / Virion Assembly and Release / host extracellular space / 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 / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / Attachment and Entry / 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 / 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 | ![]() ![]() ![]() | ||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.43 Å | ||||||||||||
![]() | Liu, B. / Gao, X. / Chen, Q. / Li, Z. / Su, M. / He, J. / Xiong, X. | ||||||||||||
Funding support | 3items
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![]() | ![]() Title: Somatically hypermutated antibodies isolated from SARS-CoV-2 Delta infected patients cross-neutralize heterologous variants. Authors: Haisheng Yu / Banghui Liu / Yudi Zhang / Xijie Gao / Qian Wang / Haitao Xiang / Xiaofang Peng / Caixia Xie / Yaping Wang / Peiyu Hu / Jingrong Shi / Quan Shi / Pingqian Zheng / Chengqian ...Authors: Haisheng Yu / Banghui Liu / Yudi Zhang / Xijie Gao / Qian Wang / Haitao Xiang / Xiaofang Peng / Caixia Xie / Yaping Wang / Peiyu Hu / Jingrong Shi / Quan Shi / Pingqian Zheng / Chengqian Feng / Guofang Tang / Xiaopan Liu / Liliangzi Guo / Xiumei Lin / Jiaojiao Li / Chuanyu Liu / Yaling Huang / Naibo Yang / Qiuluan Chen / Zimu Li / Mengzhen Su / Qihong Yan / Rongjuan Pei / Xinwen Chen / Longqi Liu / Fengyu Hu / Dan Liang / Bixia Ke / Changwen Ke / Feng Li / Jun He / Meiniang Wang / Ling Chen / Xiaoli Xiong / Xiaoping Tang / ![]() Abstract: SARS-CoV-2 Omicron variants feature highly mutated spike proteins with extraordinary abilities in evading antibodies isolated earlier in the pandemic. Investigation of memory B cells from patients ...SARS-CoV-2 Omicron variants feature highly mutated spike proteins with extraordinary abilities in evading antibodies isolated earlier in the pandemic. Investigation of memory B cells from patients primarily with breakthrough infections with the Delta variant enables isolation of a number of neutralizing antibodies cross-reactive to heterologous variants of concern (VOCs) including Omicron variants (BA.1-BA.4). Structural studies identify altered complementarity determining region (CDR) amino acids and highly unusual heavy chain CDR2 insertions respectively in two representative cross-neutralizing antibodies-YB9-258 and YB13-292. These features are putatively introduced by somatic hypermutation and they are heavily involved in epitope recognition to broaden neutralization breadth. Previously, insertions/deletions were rarely reported for antiviral antibodies except for those induced by HIV-1 chronic infections. These data provide molecular mechanisms for cross-neutralization of heterologous SARS-CoV-2 variants by antibodies isolated from Delta variant infected patients with implications for future vaccination strategy. | ||||||||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 310.4 KB | Display | ![]() |
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PDB format | ![]() | 243.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 48.8 KB | Display | |
Data in CIF | ![]() | 75.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 34652MC ![]() 8hc2C ![]() 8hc3C ![]() 8hc4C ![]() 8hc6C ![]() 8hc7C ![]() 8hc8C ![]() 8hc9C ![]() 8hcaC ![]() 8hcbC M: map data used to model this data C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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Components
-Antibody , 4 types, 4 molecules HLDE
#2: Antibody | Mass: 23126.922 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
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#3: Antibody | Mass: 23177.754 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#4: Antibody | Mass: 23840.717 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
#5: Antibody | Mass: 22382.643 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() |
-Protein / Sugars , 2 types, 2 molecules C

#1: Protein | Mass: 75688.125 Da / Num. of mol.: 1 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() Gene: S, 2 / Cell line (production host): HEK293 / Production host: ![]() |
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#6: Sugar | ChemComp-NAG / |
-Details
Has ligand of interest | Y |
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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
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Source (natural) |
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Source (recombinant) | Organism: ![]() | ||||||||||||||||||||||||
Buffer solution | pH: 8 | ||||||||||||||||||||||||
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: ![]() |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2000 nm / Nominal defocus min: 600 nm |
Image recording | Electron dose: 50 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k) |
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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: 3.43 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 202540 / Symmetry type: POINT | ||||||||||||||||||||||||
Refine LS restraints |
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