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- EMDB-30982: Ultrapotent SARS-CoV-2 neutralizing antibodies with protective ef... -

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Basic information

Entry
Database: EMDB / ID: EMD-30982
TitleUltrapotent SARS-CoV-2 neutralizing antibodies with protective efficacy against newly emerged mutational variants
Map data
Sample
  • Complex: SARS-CoV-2 Spike glycoprotein complex with 13G9 Fab
    • Complex: spike glycoproteinSpike protein
      • Protein or peptide: Spike glycoproteinSpike protein
    • Complex: FabFragment antigen-binding
      • Protein or peptide: 13G9 heavy chain
      • Protein or peptide: 13G9 light chain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
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 / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / virion membrane / membrane / identical protein binding / 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)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.9 Å
AuthorsGuo H / Li T / Liu F / Gao Y / Ji X / Yang H
CitationJournal: Nat Commun / Year: 2021
Title: Potent SARS-CoV-2 neutralizing antibodies with protective efficacy against newly emerged mutational variants.
Authors: Tingting Li / Xiaojian Han / Chenjian Gu / Hangtian Guo / Huajun Zhang / Yingming Wang / Chao Hu / Kai Wang / Fengjiang Liu / Feiyang Luo / Yanan Zhang / Jie Hu / Wang Wang / Shenglong Li / ...Authors: Tingting Li / Xiaojian Han / Chenjian Gu / Hangtian Guo / Huajun Zhang / Yingming Wang / Chao Hu / Kai Wang / Fengjiang Liu / Feiyang Luo / Yanan Zhang / Jie Hu / Wang Wang / Shenglong Li / Yanan Hao / Meiying Shen / Jingjing Huang / Yingyi Long / Shuyi Song / Ruixin Wu / Song Mu / Qian Chen / Fengxia Gao / Jianwei Wang / Shunhua Long / Luo Li / Yang Wu / Yan Gao / Wei Xu / Xia Cai / Di Qu / Zherui Zhang / Hongqing Zhang / Na Li / Qingzhu Gao / Guiji Zhang / Changlong He / Wei Wang / Xiaoyun Ji / Ni Tang / Zhenghong Yuan / Youhua Xie / Haitao Yang / Bo Zhang / Ailong Huang / Aishun Jin /
Abstract: Accumulating mutations in the SARS-CoV-2 Spike (S) protein can increase the possibility of immune escape, challenging the present COVID-19 prophylaxis and clinical interventions. Here, 3 receptor ...Accumulating mutations in the SARS-CoV-2 Spike (S) protein can increase the possibility of immune escape, challenging the present COVID-19 prophylaxis and clinical interventions. Here, 3 receptor binding domain (RBD) specific monoclonal antibodies (mAbs), 58G6, 510A5 and 13G9, with high neutralizing potency blocking authentic SARS-CoV-2 virus display remarkable efficacy against authentic B.1.351 virus. Surprisingly, structural analysis has revealed that 58G6 and 13G9 both recognize the steric region S on the RBD, overlapping the E484K mutation presented in B.1.351. Also, 58G6 directly binds to another region S in the RBD. Significantly, 58G6 and 510A5 both demonstrate prophylactic efficacy against authentic SARS-CoV-2 and B.1.351 viruses in the transgenic mice expressing human ACE2 (hACE2), protecting weight loss and reducing virus loads. Together, we have evidenced 2 potent neutralizing Abs with unique mechanism targeting authentic SARS-CoV-2 mutants, which can be promising candidates to fulfill the urgent needs for the prolonged COVID-19 pandemic.
History
DepositionFeb 9, 2021-
Header (metadata) releaseSep 15, 2021-
Map releaseSep 15, 2021-
UpdateMar 2, 2022-
Current statusMar 2, 2022Processing site: PDBj / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.2
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.2
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7e3k
  • Surface level: 0.2
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_30982.png

Downloads & links

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Map

FileDownload / File: emd_30982.map.gz / Format: CCP4 / Size: 512 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 0.82 Å
Density
Contour LevelBy AUTHOR: 0.1042 / Movie #1: 0.2
Minimum - Maximum-0.2285767 - 0.80503166
Average (Standard dev.)-0.00041799882 (±0.029590312)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions512512512
Spacing512512512
CellA=B=C: 419.84 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.820.820.82
M x/y/z512512512
origin x/y/z0.0000.0000.000
length x/y/z419.840419.840419.840
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ330330330
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS512512512
D min/max/mean-0.2290.805-0.000

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Supplemental data

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Sample components

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Entire : SARS-CoV-2 Spike glycoprotein complex with 13G9 Fab

EntireName: SARS-CoV-2 Spike glycoprotein complex with 13G9 Fab
Components
  • Complex: SARS-CoV-2 Spike glycoprotein complex with 13G9 Fab
    • Complex: spike glycoproteinSpike protein
      • Protein or peptide: Spike glycoproteinSpike protein
    • Complex: FabFragment antigen-binding
      • Protein or peptide: 13G9 heavy chain
      • Protein or peptide: 13G9 light chain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 Spike glycoprotein complex with 13G9 Fab

SupramoleculeName: SARS-CoV-2 Spike glycoprotein complex with 13G9 Fab / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Supramolecule #2: spike glycoprotein

SupramoleculeName: spike glycoprotein / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1 / Details: SARS-CoV-2 Spike protein ectodomain
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Homo sapiens (human) / Recombinant cell: HEK293

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Supramolecule #3: Fab

SupramoleculeName: Fab / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2-#3
Details: Fab fragment generated by proteolytic cleavage of IgG antibody.

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Macromolecule #1: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 142.319219 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: 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 KPSKRSFIED LLFNKVTLAD AGFIKQYGDC LGDIAARDLI CAQKFNGLTV LPPLLTDEMI AQYTSALLAG TITSGWTFG AGAALQIPFA MQMAYRFNGI GVTQNVLYEN QKLIANQFNS AIGKIQDSLS STASALGKLQ 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 YEQGSGYIPE APRDGQAYVR KDGEWVFLST FLSGLEVLFQ GPGGWSHPQF EKGGGSGGGS GGSAWSHPQF EKGGS HHHH HHHH

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Macromolecule #2: 13G9 heavy chain

MacromoleculeName: 13G9 heavy chain / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.563473 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QMQLVQSGPE VKKPGTSVKV SCKASGFTFS GSAVQWVRQA RGQRLEWIGW IVVGSGNTNY AQRFQERVTI TRDMSTSTAY MELSSLRSE DTAVYYCAAP YCSSTSCRDG FDIWGQGTMV TVSSASTKGP SVFPLAPSSK STSGGTAALG CLVKDYFPEP V TVSWNSGA ...String:
QMQLVQSGPE VKKPGTSVKV SCKASGFTFS GSAVQWVRQA RGQRLEWIGW IVVGSGNTNY AQRFQERVTI TRDMSTSTAY MELSSLRSE DTAVYYCAAP YCSSTSCRDG FDIWGQGTMV TVSSASTKGP SVFPLAPSSK STSGGTAALG CLVKDYFPEP V TVSWNSGA LTSGVHTFPA VLQSSGLYSL SSVVTVPSSS LGTQTYICNV NHKPSNTKVD KKV

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Macromolecule #3: 13G9 light chain

MacromoleculeName: 13G9 light chain / type: protein_or_peptide / ID: 3 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.587186 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: EIVLTQSPGT LSLSPGERAT LSCRASQSVR SSYLAWYQQK PGQAPRLLIY GASSRATGIP DRFSGSGSGT DFTLTISRLE PEDFAVYYC QQYGRSPWTF GQGTKVEIKR TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD ...String:
EIVLTQSPGT LSLSPGERAT LSCRASQSVR SSYLAWYQQK PGQAPRLLIY GASSRATGIP DRFSGSGSGT DFTLTISRLE PEDFAVYYC QQYGRSPWTF GQGTKVEIKR TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD SKDSTYSLSS TLTLSKADYE KHKVYACEVT HQGLSSPVTK SFNRGEC

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Macromolecule #4: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 4 / Number of copies: 22 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose / N-Acetylglucosamine

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

BufferpH: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: SPOT SCAN / Imaging mode: BRIGHT FIELDBright-field microscopy
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 60.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Initial angle assignmentType: COMMON LINE
Final angle assignmentType: COMMON LINE
Final reconstructionNumber classes used: 1 / Resolution.type: BY AUTHOR / Resolution: 3.9 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 52880

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