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Yorodumi- EMDB-30374: Cryo-EM structure of the SARS-CoV-2 S-6P in complex with BD-368-2 Fabs -
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Open data
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Basic information
| Entry | Database: EMDB / ID: EMD-30374 | |||||||||
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| Title | Cryo-EM structure of the SARS-CoV-2 S-6P in complex with BD-368-2 Fabs | |||||||||
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Sample |
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Keywords | SARS-CoV-2 Spike / neutralizing antibody / ANTIVIRAL 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 / viral translation / host extracellular space / 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 / viral translation / host extracellular space / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / membrane fusion / entry receptor-mediated virion attachment to host cell / 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 | single particle reconstruction / cryo EM / Resolution: 3.49 Å | |||||||||
Authors | Xiao J / Zhu Q | |||||||||
Citation | Journal: Cell / Year: 2020Title: Structurally Resolved SARS-CoV-2 Antibody Shows High Efficacy in Severely Infected Hamsters and Provides a Potent Cocktail Pairing Strategy. Authors: Shuo Du / Yunlong Cao / Qinyu Zhu / Pin Yu / Feifei Qi / Guopeng Wang / Xiaoxia Du / Linlin Bao / Wei Deng / Hua Zhu / Jiangning Liu / Jianhui Nie / Yinghui Zheng / Haoyu Liang / Ruixue Liu ...Authors: Shuo Du / Yunlong Cao / Qinyu Zhu / Pin Yu / Feifei Qi / Guopeng Wang / Xiaoxia Du / Linlin Bao / Wei Deng / Hua Zhu / Jiangning Liu / Jianhui Nie / Yinghui Zheng / Haoyu Liang / Ruixue Liu / Shuran Gong / Hua Xu / Ayijiang Yisimayi / Qi Lv / Bo Wang / Runsheng He / Yunlin Han / Wenjie Zhao / Yali Bai / Yajin Qu / Xiang Gao / Chenggong Ji / Qisheng Wang / Ning Gao / Weijin Huang / Youchun Wang / X Sunney Xie / Xiao-Dong Su / Junyu Xiao / Chuan Qin / ![]() Abstract: Understanding how potent neutralizing antibodies (NAbs) inhibit SARS-CoV-2 is critical for effective therapeutic development. We previously described BD-368-2, a SARS-CoV-2 NAb with high potency; ...Understanding how potent neutralizing antibodies (NAbs) inhibit SARS-CoV-2 is critical for effective therapeutic development. We previously described BD-368-2, a SARS-CoV-2 NAb with high potency; however, its neutralization mechanism is largely unknown. Here, we report the 3.5-Å cryo-EM structure of BD-368-2/trimeric-spike complex, revealing that BD-368-2 fully blocks ACE2 recognition by occupying all three receptor-binding domains (RBDs) simultaneously, regardless of their "up" or "down" conformations. Also, BD-368-2 treats infected adult hamsters at low dosages and at various administering windows, in contrast to placebo hamsters that manifested severe interstitial pneumonia. Moreover, BD-368-2's epitope completely avoids the common binding site of VH3-53/VH3-66 recurrent NAbs, evidenced by tripartite co-crystal structures with RBDs. Pairing BD-368-2 with a potent recurrent NAb neutralizes SARS-CoV-2 pseudovirus at pM level and rescues mutation-induced neutralization escapes. Together, our results rationalized a new RBD epitope that leads to high neutralization potency and demonstrated BD-368-2's therapeutic potential in treating COVID-19. | |||||||||
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Structure visualization
| Movie |
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| Structure viewer | EM map: SurfView Molmil Jmol/JSmol |
| Supplemental images |
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Downloads & links
-EMDB archive
| Map data | emd_30374.map.gz | 16.8 MB | EMDB map data format | |
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| Header (meta data) | emd-30374-v30.xml emd-30374.xml | 15 KB 15 KB | Display Display | EMDB header |
| Images | emd_30374.png | 30.3 KB | ||
| Filedesc metadata | emd-30374.cif.gz | 6.4 KB | ||
| Archive directory | http://ftp.pdbj.org/pub/emdb/structures/EMD-30374 ftp://ftp.pdbj.org/pub/emdb/structures/EMD-30374 | HTTPS FTP |
-Validation report
| Summary document | emd_30374_validation.pdf.gz | 371.4 KB | Display | EMDB validaton report |
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| Full document | emd_30374_full_validation.pdf.gz | 371 KB | Display | |
| Data in XML | emd_30374_validation.xml.gz | 6.9 KB | Display | |
| Data in CIF | emd_30374_validation.cif.gz | 8 KB | Display | |
| Arichive directory | https://ftp.pdbj.org/pub/emdb/validation_reports/EMD-30374 ftp://ftp.pdbj.org/pub/emdb/validation_reports/EMD-30374 | HTTPS FTP |
-Related structure data
| Related structure data | ![]() 7chhMC ![]() 7ch4C ![]() 7ch5C ![]() 7chbC ![]() 7chcC ![]() 7cheC ![]() 7chfC M: atomic model generated by this map C: citing same article ( |
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| Similar structure data |
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Links
| EMDB pages | EMDB (EBI/PDBe) / EMDataResource |
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| Related items in Molecule of the Month |
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Map
| File | Download / File: emd_30374.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Projections & slices | Image control
Images are generated by Spider. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Voxel size | X=Y=Z: 1.005 Å | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Density |
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| Symmetry | Space group: 1 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Details | EMDB XML:
CCP4 map header:
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-Supplemental data
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Sample components
-Entire : Complex of the SARS-CoV-2 S-6P with BD-368-2 Fabs
| Entire | Name: Complex of the SARS-CoV-2 S-6P with BD-368-2 Fabs |
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| Components |
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-Supramolecule #1: Complex of the SARS-CoV-2 S-6P with BD-368-2 Fabs
| Supramolecule | Name: Complex of the SARS-CoV-2 S-6P with BD-368-2 Fabs / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3 |
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-Supramolecule #2: SARS-CoV-2 Spike glycoprotein
| Supramolecule | Name: SARS-CoV-2 Spike glycoprotein / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1 |
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| Source (natural) | Organism: ![]() |
-Supramolecule #3: BD-368-2 Fabs
| Supramolecule | Name: BD-368-2 Fabs / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2-#3 |
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| Source (natural) | Organism: Homo sapiens (human) |
-Macromolecule #1: Spike glycoprotein
| Macromolecule | Name: Spike glycoprotein / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO |
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| Source (natural) | Organism: ![]() |
| Molecular weight | Theoretical: 133.781312 KDa |
| Recombinant expression | Organism: Homo sapiens (human) |
| Sequence | String: MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF ...String: MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LREFVFKNID GYFKIYSKHT PINLVRDLPQ GFSALEPLVD LPIGINITRF QT LLALHRS YLTPGDSSSG WTAGAAAYYV GYLQPRTFLL KYNENGTITD AVDCALDPLS ETKCTLKSFT VEKGIYQTSN FRV QPTESI VRFPNITNLC PFGEVFNATR FASVYAWNRK RISNCVADYS VLYNSASFST FKCYGVSPTK LNDLCFTNVY ADSF VIRGD EVRQIAPGQT GKIADYNYKL PDDFTGCVIA WNSNNLDSKV GGNYNYLYRL FRKSNLKPFE RDISTEIYQA GSTPC NGVE GFNCYFPLQS YGFQPTNGVG YQPYRVVVLS FELLHAPATV CGPKKSTNLV KNKCVNFNFN GLTGTGVLTE SNKKFL PFQ QFGRDIADTT DAVRDPQTLE ILDITPCSFG GVSVITPGTN TSNQVAVLYQ DVNCTEVPVA IHADQLTPTW RVYSTGS NV FQTRAGCLIG AEHVNNSYEC DIPIGAGICA SYQTQTNSPG SASSVASQSI IAYTMSLGAE NSVAYSNNSI AIPTNFTI S VTTEILPVSM TKTSVDCTMY ICGDSTECSN LLLQYGSFCT QLNRALTGIA VEQDKNTQEV FAQVKQIYKT PPIKDFGGF NFSQILPDPS KPSKRSPIED LLFNKVTLAD AGFIKQYGDC LGDIAARDLI CAQKFNGLTV LPPLLTDEMI AQYTSALLAG TITSGWTFG AGPALQIPFP MQMAYRFNGI GVTQNVLYEN QKLIANQFNS AIGKIQDSLS STPSALGKLQ DVVNQNAQAL N TLVKQLSS NFGAISSVLN DILSRLDPPE AEVQIDRLIT GRLQSLQTYV TQQLIRAAEI RASANLAATK MSECVLGQSK RV DFCGKGY HLMSFPQSAP HGVVFLHVTY VPAQEKNFTT APAICHDGKA HFPREGVFVS NGTHWFVTQR NFYEPQIITT DNT FVSGNC DVVIGIVNNT VYDPLQPELD SFKEELDKYF KNHTSPDVDL GDISGINASV VNIQKEIDRL NEVAKNLNES LIDL QELGK YEQ UniProtKB: Spike glycoprotein |
-Macromolecule #2: BD-368-2 Fab heavy chain
| Macromolecule | Name: BD-368-2 Fab heavy chain / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 24.355225 KDa |
| Recombinant expression | Organism: Homo sapiens (human) |
| Sequence | String: EVQLLESGGG VVQPGGSLRL SCAASGFAFT TYAMNWVRQA PGRGLEWVSA ISDGGGSAYY ADSVKGRFTI SRDNSKNTLY LQMNSLRAE DTAVYYCAKT RGRGLYDYVW GSKDYWGQGT LVTVSSASTK GPSVFPLAPS SKSTSGGTAA LGCLVKDYFP E PVTVSWNS ...String: EVQLLESGGG VVQPGGSLRL SCAASGFAFT TYAMNWVRQA PGRGLEWVSA ISDGGGSAYY ADSVKGRFTI SRDNSKNTLY LQMNSLRAE DTAVYYCAKT RGRGLYDYVW GSKDYWGQGT LVTVSSASTK GPSVFPLAPS SKSTSGGTAA LGCLVKDYFP E PVTVSWNS GALTSGVHTF PAVLQSSGLY SLSSVVTVPS SSLGTQTYIC NVNHKPSNTK VDKKVEPKSC DK |
-Macromolecule #3: BD-368-2 Fab light chain
| Macromolecule | Name: BD-368-2 Fab light chain / type: protein_or_peptide / ID: 3 / Number of copies: 3 / Enantiomer: LEVO |
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| Source (natural) | Organism: Homo sapiens (human) |
| Molecular weight | Theoretical: 23.90259 KDa |
| Recombinant expression | Organism: Homo sapiens (human) |
| Sequence | String: DIVMTQSPLS LPVTPGEPAS ISCRSSQSLL HSNGYNYLDW YLQKPGQSPQ LLIYLGSNRA SGVPDRFSGS GSGTDFTLKI SRVEAEDVG VYYCMQALQT PGTFGQGTRL EIKRTVAAPS VFIFPPSDEQ LKSGTASVVC LLNNFYPREA KVQWKVDNAL Q SGNSQESV ...String: DIVMTQSPLS LPVTPGEPAS ISCRSSQSLL HSNGYNYLDW YLQKPGQSPQ LLIYLGSNRA SGVPDRFSGS GSGTDFTLKI SRVEAEDVG VYYCMQALQT PGTFGQGTRL EIKRTVAAPS VFIFPPSDEQ LKSGTASVVC LLNNFYPREA KVQWKVDNAL Q SGNSQESV TEQDSKDSTY SLSSTLTLSK ADYEKHKVYA CEVTHQGLSS PVTKSFNRGE C |
-Macromolecule #5: 2-acetamido-2-deoxy-beta-D-glucopyranose
| Macromolecule | Name: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 5 / Number of copies: 31 / Formula: NAG |
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| Molecular weight | Theoretical: 221.208 Da |
| Chemical component information | ![]() ChemComp-NAG: |
-Experimental details
-Structure determination
| Method | cryo EM |
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Processing | single particle reconstruction |
| Aggregation state | particle |
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Sample preparation
| Concentration | 0.02 mg/mL |
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| Buffer | pH: 7.2 |
| Vitrification | Cryogen name: ETHANE |
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Electron microscopy
| Microscope | FEI TITAN KRIOS |
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| Image recording | Film or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 59.8 e/Å2 |
| Electron beam | Acceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN |
| Electron optics | Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD |
| Experimental equipment | ![]() Model: Titan Krios / Image courtesy: FEI Company |
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Image processing
| Startup model | Type of model: NONE |
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| Final reconstruction | Applied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.49 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 85053 |
| Initial angle assignment | Type: PROJECTION MATCHING |
| Final angle assignment | Type: PROJECTION MATCHING |
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