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- EMDB-24879: J08 fragment antigen binding in complex with SARS-CoV-2-6P-Mut7 S... -

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Basic information

Entry
Database: EMDB / ID: EMD-24879
TitleJ08 fragment antigen binding in complex with SARS-CoV-2-6P-Mut7 S protein (conformation 3)
Map dataSharpened map
Sample
  • Complex: J08 fragment antigen binding in complex with SARS-2-CoV-6P-Mut7 S protein
    • Protein or peptide: Spike glycoproteinSpike protein
    • Protein or peptide: J08 fragment antigen binding heavy chain variable domain
    • Protein or peptide: J08 fragment antigen binding light chain variable domain
  • 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 / 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: 4.0 Å
AuthorsOzorowski G / Torres JL / Ward AB
Funding support Italy, 2 items
OrganizationGrant numberCountry
Bill & Melinda Gates FoundationOPP1170236 Italy
Bill & Melinda Gates FoundationINV-004923 Italy
CitationJournal: Proc Natl Acad Sci U S A / Year: 2022
Title: Structural insights of a highly potent pan-neutralizing SARS-CoV-2 human monoclonal antibody.
Authors: Jonathan L Torres / Gabriel Ozorowski / Emanuele Andreano / Hejun Liu / Jeffrey Copps / Giulia Piccini / Lorena Donnici / Matteo Conti / Cyril Planchais / Delphine Planas / Noemi Manganaro / ...Authors: Jonathan L Torres / Gabriel Ozorowski / Emanuele Andreano / Hejun Liu / Jeffrey Copps / Giulia Piccini / Lorena Donnici / Matteo Conti / Cyril Planchais / Delphine Planas / Noemi Manganaro / Elisa Pantano / Ida Paciello / Piero Pileri / Timothée Bruel / Emanuele Montomoli / Hugo Mouquet / Olivier Schwartz / Claudia Sala / Raffaele De Francesco / Ian A Wilson / Rino Rappuoli / Andrew B Ward /
Abstract: As the coronavirus disease 2019 (COVID-19) pandemic continues, there is a strong need for highly potent monoclonal antibodies (mAbs) that are resistant against severe acute respiratory syndrome ...As the coronavirus disease 2019 (COVID-19) pandemic continues, there is a strong need for highly potent monoclonal antibodies (mAbs) that are resistant against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern (VoCs). Here, we evaluate the potency of the previously described mAb J08 against these variants using cell-based assays and delve into the molecular details of the binding interaction using cryoelectron microscopy (cryo-EM) and X-ray crystallography. We show that mAb J08 has low nanomolar affinity against most VoCs and binds high on the receptor binding domain (RBD) ridge, away from many VoC mutations. These findings further validate the phase II/III human clinical trial underway using mAb J08 as a monoclonal therapy.
History
DepositionSep 14, 2021-
Header (metadata) releaseMay 11, 2022-
Map releaseMay 11, 2022-
UpdateMay 25, 2022-
Current statusMay 25, 2022Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

Downloads & links

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Map

FileDownload / File: emd_24879.map.gz / Format: CCP4 / Size: 216 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationSharpened map
Voxel sizeX=Y=Z: 1.15 Å
Density
Contour LevelBy AUTHOR: 0.12
Minimum - Maximum-0.24702033 - 0.82063484
Average (Standard dev.)-0.00065288524 (±0.023903992)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions384384384
Spacing384384384
CellA=B=C: 441.59998 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_24879_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Half map: Half map B

Fileemd_24879_half_map_1.map
AnnotationHalf map B
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Half map: Half map A

Fileemd_24879_half_map_2.map
AnnotationHalf map A
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

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Sample components

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Entire : J08 fragment antigen binding in complex with SARS-2-CoV-6P-Mut7 S...

EntireName: J08 fragment antigen binding in complex with SARS-2-CoV-6P-Mut7 S protein
Components
  • Complex: J08 fragment antigen binding in complex with SARS-2-CoV-6P-Mut7 S protein
    • Protein or peptide: Spike glycoproteinSpike protein
    • Protein or peptide: J08 fragment antigen binding heavy chain variable domain
    • Protein or peptide: J08 fragment antigen binding light chain variable domain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: J08 fragment antigen binding in complex with SARS-2-CoV-6P-Mut7 S...

SupramoleculeName: J08 fragment antigen binding in complex with SARS-2-CoV-6P-Mut7 S protein
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Molecular weightTheoretical: 590 KDa

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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: 141.328359 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 NSCAYSNNSI AIPTNFTI S VTTEILPVSM TKTSVDCTMY ICGDSTECSN LLLQYGSFCT QLNRALTGIA VEQDKNTQEV FAQVKQIYKT PPIKDFGGF NFSQILPDPS KPSKRSPIED LLFNKVTLAD AGFIKQYGDC LGDIAARDLI CAQKFNGLTV LPPLLTDEMI AQYTSALLAG TICSGWTFG 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 YEQGSGYIPE APRDGQAYVR KDGEWVLLST FLGRSLEVLF QGPGSAWSHP QFEKGGGSGG GGSGGSAWSH PQFEK

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Macromolecule #2: J08 fragment antigen binding heavy chain variable domain

MacromoleculeName: J08 fragment antigen binding heavy chain variable domain
type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 13.961632 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
QVQLVQSGAE VKKPGSSVKV SCKASGGTFS SYTISWVRQA PGQGLEWMGR IIPILDRVMY AQKFQGRVTI TADKSTSTAY MELSSLRSE DTAVYYCARR AIDSDTYVEQ SHFDYWGQGT LVTVSSAS

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Macromolecule #3: J08 fragment antigen binding light chain variable domain

MacromoleculeName: J08 fragment antigen binding light chain variable domain
type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.252522 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
EIVMTQSPAT LSLSPGERAT LSCRASQSVS SYLAWYQQKP GQAPSLLIYD ASNRATGIPA RFSGSGSGTD FTLTISSLEP EDFAVYYCQ QPLTFGGGTK VEIKRT

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Macromolecule #5: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 5 / Number of copies: 16 / 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

Concentration3 mg/mL
BufferpH: 8
Component:
ConcentrationName
100.0 mMTris-Cl
150.0 mMsodium chloride
1.0 mMEDTAEthylenediaminetetraacetic acid
0.02 %(w/v)Fluorinated octyl maltoside

Details: Detergent added shortly before freezing
GridModel: UltrAuFoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: GOLD / Support film - topology: HOLEY / Pretreatment - Type: PLASMA CLEANING
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV / Details: 3 s blot time.

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy / Cs: 2.7 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.5 µm / Nominal magnification: 36000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average exposure time: 12.5 sec. / Average electron dose: 50.0 e/Å2
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

CTF correctionSoftware - Name: cryoSPARC (ver. 3.2) / Software - details: Patch CTF
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 4.0 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 3.2) / Software - details: Non-uniform refinement / Number images used: 43511
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementSpace: REAL
Output model

PDB-7s6l:
J08 fragment antigen binding in complex with SARS-CoV-2-6P-Mut7 S protein (conformation 3)

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