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- EMDB-13190: P5C3 is a potent fab neutralizer -

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Basic information

Entry
Database: EMDB / ID: EMD-13190
TitleP5C3 is a potent fab neutralizer
Map data
Sample
  • Complex: Severe acute respiratory syndrome coronavirus 2
    • Complex: Spike glycoprotein
      • Protein or peptide: Spike glycoprotein
    • Complex: Fab
      • Protein or peptide: Variable Light Chain P5C3 (VL)
      • Protein or peptide: Variable Heavy Chain P5C3 (VH)
Keywordsspike / antibody / VIRAL PROTEIN
Function / homology
Function and homology information


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 / 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 / host cell plasma membrane / virion membrane ...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 / 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 / host cell plasma membrane / virion membrane / identical protein binding / 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 / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein, N-terminal domain superfamily / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Spike glycoprotein, betacoronavirus / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike (S) protein S1 subunit, receptor-binding domain, betacoronavirus ...Spike (S) protein S1 subunit, receptor-binding domain, SARS-CoV-2 / Spike (S) protein S1 subunit, N-terminal domain, SARS-CoV-like / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein, N-terminal domain superfamily / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Spike glycoprotein, betacoronavirus / Betacoronavirus spike (S) glycoprotein S1 subunit N-terminal (NTD) domain profile. / Betacoronavirus spike (S) glycoprotein S1 subunit C-terminal (CTD) domain profile. / Spike (S) protein S1 subunit, receptor-binding domain, 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 superfamily, coronavirus / Spike glycoprotein S2, coronavirus, heptad repeat 1 / Spike glycoprotein S2, coronavirus, heptad repeat 2 / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 1 (HR1) region profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 2 (HR2) region profile. / Spike glycoprotein S2, coronavirus / Coronavirus spike glycoprotein S2
Similarity search - Domain/homology
Biological speciesSevere acute respiratory syndrome coronavirus 2 / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.5 Å
Authorsperez L
CitationJournal: Cell Rep / Year: 2021
Title: A highly potent antibody effective against SARS-CoV-2 variants of concern.
Authors: Craig Fenwick / Priscilla Turelli / Laurent Perez / Céline Pellaton / Line Esteves-Leuenberger / Alex Farina / Jérémy Campos / Erica Lana / Flurin Fiscalini / Charlène Raclot / Florence ...Authors: Craig Fenwick / Priscilla Turelli / Laurent Perez / Céline Pellaton / Line Esteves-Leuenberger / Alex Farina / Jérémy Campos / Erica Lana / Flurin Fiscalini / Charlène Raclot / Florence Pojer / Kelvin Lau / Davide Demurtas / Marc Descatoire / Victor S Joo / Mathilde Foglierini / Alessandra Noto / Rana Abdelnabi / Caroline S Foo / Laura Vangeel / Johan Neyts / Wenjuan Du / Berend-Jan Bosch / Geertruida Veldman / Pieter Leyssen / Volker Thiel / Roger LeGrand / Yves Lévy / Didier Trono / Giuseppe Pantaleo /
Abstract: Control of the ongoing SARS-CoV-2 pandemic is endangered by the emergence of viral variants with increased transmission efficiency, resistance to marketed therapeutic antibodies, and reduced ...Control of the ongoing SARS-CoV-2 pandemic is endangered by the emergence of viral variants with increased transmission efficiency, resistance to marketed therapeutic antibodies, and reduced sensitivity to vaccine-induced immunity. Here, we screen B cells from COVID-19 donors and identify P5C3, a highly potent and broadly neutralizing monoclonal antibody with picomolar neutralizing activity against all SARS-CoV-2 variants of concern (VOCs) identified to date. Structural characterization of P5C3 Fab in complex with the spike demonstrates a neutralizing activity defined by a large buried surface area, highly overlapping with the receptor-binding domain (RBD) surface necessary for ACE2 interaction. We further demonstrate that P5C3 shows complete prophylactic protection in the SARS-CoV-2-infected hamster challenge model. These results indicate that P5C3 opens exciting perspectives either as a prophylactic agent in immunocompromised individuals with poor response to vaccination or as combination therapy in SARS-CoV-2-infected individuals.
History
DepositionJul 9, 2021-
Header (metadata) releaseOct 13, 2021-
Map releaseOct 13, 2021-
SupersessionApr 12, 2023ID: EMD-12645
UpdateNov 20, 2024-
Current statusNov 20, 2024Processing site: PDBe / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 5
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 5
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7p40
  • Surface level: 5
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_13190.png

Downloads & links

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Map

FileDownload / File: emd_13190.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.64 Å/pix.
x 300 pix.
= 492. Å		1.64 Å/pix.
x 300 pix.
= 492. Å		1.64 Å/pix.
x 300 pix.
= 492. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.64 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 3.9 / Movie #1: 5
Minimum - Maximum-37.650179999999999 - 66.413184999999999
Average (Standard dev.)0.00000000000359 (±1.0)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions300300300
Spacing300300300
CellA=B=C: 492.0 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.641.641.64
M x/y/z300300300
origin x/y/z0.0000.0000.000
length x/y/z492.000492.000492.000
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS300300300
D min/max/mean-37.65066.4130.000

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Supplemental data

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Sample components

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Entire : Severe acute respiratory syndrome coronavirus 2

EntireName: Severe acute respiratory syndrome coronavirus 2
Components
  • Complex: Severe acute respiratory syndrome coronavirus 2
    • Complex: Spike glycoprotein
      • Protein or peptide: Spike glycoprotein
    • Complex: Fab
      • Protein or peptide: Variable Light Chain P5C3 (VL)
      • Protein or peptide: Variable Heavy Chain P5C3 (VH)

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Supramolecule #1: Severe acute respiratory syndrome coronavirus 2

SupramoleculeName: Severe acute respiratory syndrome coronavirus 2 / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all

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Supramolecule #2: Spike glycoprotein

SupramoleculeName: Spike glycoprotein / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Supramolecule #3: Fab

SupramoleculeName: Fab / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2-#3
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 1
Details: ...Details: MGILPSPGMPALLSLVSLLSVLLMGCVAETGTQCVNLTTRTQLPPAYTNSFTRGVYYPDKVFRSSVLHSTQDLFLPFFSNVTWFHAIHVSGTNGTKRFDNPVLPFNDGVYFASTEKSNIIRGWIFGTTLDSKTQSLLIVNNATNVVIKVCEFQFCNDPFLGVYYHKNNKSWMESEFRVYSSANNCTFEYVSQPFLMDLEGKQGNFKNLREFVFKNIDGYFKIYSKHTPINLVRDLPQGFSALEPLVDLPIGINITRFQTLLALHRSYLTPGDSSSGWTAGAAAYYVGYLQPRTFLLKYNENGTITDAVDCALDPLSETKCTLKSFTVEKGIYQTSNFRVQPTESIVRFPNITNLCPFGEVFNATRFASVYAWNRKRISNCVADYSVLYNSASFSTFKCYGVSPTKLNDLCFTNVYADSFVIRGDEVRQIAPGQTGKIADYNYKLPDDFTGCVIAWNSNNLDSKVGGNYNYLYRLFRKSNLKPFERDISTEIYQAGSTPCNGVEGFNCYFPLQSYGFQPTNGVGYQPYRVVVLSFELLHAPATVCGPKKSTNLVKNKCVNFNFNGLTGTGVLTESNKKFLPFQQFGRDIADTTDAVRDPQTLEILDITPCSFGGVSVITPGTNTSNQVAVLYQDVNCTEVPVAIHADQLTPTWRVYSTGSNVFQTRAGCLIGAEHVNNSYECDIPIGAGICASYQTQTNSPSGAGSVASQSIIAYTMSLGAENSVAYSNNSIAIPTNFTISVTTEILPVSMTKTSVDCTMYICGDSTECSNLLLQYGSFCTQLNRALTGIAVEQDKNTQEVFAQVKQIYKTPPIKDFGGFNFSQILPDPSKPSKRSFIEDLLFNKVTLADAGFIKQYGDCLGDIAARDLICAQKFNGLTVLPPLLTDEMIAQYTSALLAGTITSGWTFGAGAALQIPFAMQMAYRFNGIGVTQNVLYENQKLIANQFNSAIGKIQDSLSSTASALGKLQDVVNQNAQALNTLVKQLSSNFGAISSVLNDILSRLDPPEAEVQIDRLITGRLQSLQTYVTQQLIRAAEIRASANLAATKMSECVLGQSKRVDFCGKGYHLMSFPQSAPHGVVFLHVTYVPAQEKNFTTAPAICHDGKAHFPREGVFVSNGTHWFVTQRNFYEPQIITTDNTFVSGNCDVVIGIVNNTVYDPLQPELDSFKEELDKYFKNHTSPDVDLGDISGINASVVNIQKEIDRLNEVA KNLNESLIDLQELGKYEQYIKGSGRENLYFQGGGGSGYIPEAPRDGQAYVRKDGEWVLLSTFLGHHHHHHHH
Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 141.560859 KDa
Recombinant expressionOrganism: Cricetulus griseus (Chinese hamster)
SequenceString: MGILPSPGMP ALLSLVSLLS VLLMGCVAET GTQCVNLTTR TQLPPAYTNS FTRGVYYPDK VFRSSVLHST QDLFLPFFSN VTWFHAIHV SGTNGTKRFD NPVLPFNDGV YFASTEKSNI IRGWIFGTTL DSKTQSLLIV NNATNVVIKV CEFQFCNDPF L GVYYHKNN ...String:
MGILPSPGMP ALLSLVSLLS VLLMGCVAET GTQCVNLTTR TQLPPAYTNS FTRGVYYPDK VFRSSVLHST QDLFLPFFSN VTWFHAIHV SGTNGTKRFD NPVLPFNDGV YFASTEKSNI IRGWIFGTTL DSKTQSLLIV NNATNVVIKV CEFQFCNDPF L GVYYHKNN KSWMESEFRV YSSANNCTFE YVSQPFLMDL EGKQGNFKNL REFVFKNIDG YFKIYSKHTP INLVRDLPQG FS ALEPLVD LPIGINITRF QTLLALHRSY LTPGDSSSGW TAGAAAYYVG YLQPRTFLLK YNENGTITDA VDCALDPLSE TKC TLKSFT VEKGIYQTSN FRVQPTESIV RFPNITNLCP FGEVFNATRF ASVYAWNRKR ISNCVADYSV LYNSASFSTF KCYG VSPTK LNDLCFTNVY ADSFVIRGDE VRQIAPGQTG KIADYNYKLP DDFTGCVIAW NSNNLDSKVG GNYNYLYRLF RKSNL KPFE RDISTEIYQA GSTPCNGVEG FNCYFPLQSY GFQPTNGVGY QPYRVVVLSF ELLHAPATVC GPKKSTNLVK NKCVNF NFN GLTGTGVLTE SNKKFLPFQQ FGRDIADTTD AVRDPQTLEI LDITPCSFGG VSVITPGTNT SNQVAVLYQD VNCTEVP VA IHADQLTPTW RVYSTGSNVF QTRAGCLIGA EHVNNSYECD IPIGAGICAS YQTQTNSPSG AGSVASQSII AYTMSLGA E NSVAYSNNSI AIPTNFTISV TTEILPVSMT KTSVDCTMYI CGDSTECSNL LLQYGSFCTQ LNRALTGIAV EQDKNTQEV FAQVKQIYKT PPIKDFGGFN FSQILPDPSK PSKRSPIEDL LFNKVTLADA GFIKQYGDCL GDIAARDLIC AQKFNGLTVL PPLLTDEMI AQYTSALLAG TITSGWTFGA GPALQIPFPM QMAYRFNGIG VTQNVLYENQ KLIANQFNSA IGKIQDSLSS T PSALGKLQ DVVNQNAQAL NTLVKQLSSN FGAISSVLND ILSRLDPPEA EVQIDRLITG RLQSLQTYVT QQLIRAAEIR AS ANLAATK MSECVLGQSK RVDFCGKGYH LMSFPQSAPH GVVFLHVTYV PAQEKNFTTA PAICHDGKAH FPREGVFVSN GTH WFVTQR NFYEPQIITT DNTFVSGNCD VVIGIVNNTV YDPLQPELDS FKEELDKYFK NHTSPDVDLG DISGINASVV NIQK EIDRL NEVAKNLNES LIDLQELGKY EQYIKGSGRE NLYFQGGGGS GYIPEAPRDG QAYVRKDGEW VLLSTFLGHH HHHHH H

UniProtKB: Spike glycoprotein

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Macromolecule #2: Variable Light Chain P5C3 (VL)

MacromoleculeName: Variable Light Chain P5C3 (VL) / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.388875 KDa
Recombinant expressionOrganism: Cricetulus griseus (Chinese hamster)
SequenceString: EIVLTQSPGT LSLSPGERAT LSCRGSQSVR SSYLGWYQQK PGQAPRLLIY GASSRATGIP DRFSGSGSGT DFTLTISRLE PEDFAVYYC QQYGSSPWTF GQGTKVEIKG TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD ...String:
EIVLTQSPGT LSLSPGERAT LSCRGSQSVR SSYLGWYQQK PGQAPRLLIY GASSRATGIP DRFSGSGSGT DFTLTISRLE PEDFAVYYC QQYGSSPWTF GQGTKVEIKG TVAAPSVFIF PPSDEQLKSG TASVVCLLNN FYPREAKVQW KVDNALQSGN S QESVTEQD SKDSTYSLSS TLTLSKADYE KHKVYACEVT HQGLSSPVTK SFNRGEC

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Macromolecule #3: Variable Heavy Chain P5C3 (VH)

MacromoleculeName: Variable Heavy Chain P5C3 (VH) / type: protein_or_peptide / ID: 3 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.362133 KDa
Recombinant expressionOrganism: Cricetulus griseus (Chinese hamster)
SequenceString: QMQLVQSGPE VKKPGTSVKV SCKASGFTFT SSAVQWVRQA RGQRLEWIGW IVVGSGNTDY AQQFQERVTI TRDMSTSTAY MELSSLGSE DTAVYYCAAP NCSGGSCYDG FDLWGQGTMV TVSSASTKGP SVFPLAPSSK STSGGTAALG CLVKDYFPEP V TVSWNSGA ...String:
QMQLVQSGPE VKKPGTSVKV SCKASGFTFT SSAVQWVRQA RGQRLEWIGW IVVGSGNTDY AQQFQERVTI TRDMSTSTAY MELSSLGSE DTAVYYCAAP NCSGGSCYDG FDLWGQGTMV TVSSASTKGP SVFPLAPSSK STSGGTAALG CLVKDYFPEP V TVSWNSGA LTSGVHTFPA VLQSSGLYSL SSVVTVPSSS LGTQTYICNV NHKPSNTKVD KKV

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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

Concentration1 mg/mL
BufferpH: 7.3 / Component - Concentration: 150.0 mM / Component - Formula: PBS / Component - Name: PBS
GridModel: Quantifoil R2/2 / Material: COPPER / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Specialist opticsPhase plate: OTHER / Energy filter - Name: GIF Quantum LS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: SUPER-RESOLUTION / Number real images: 12303 / Average electron dose: 38.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsCalibrated defocus max: 2.5 µm / Calibrated defocus min: 0.8 µm / Calibrated magnification: 10500 / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.27 mm / Nominal magnification: 10500
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: HELIUM
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 21000000
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7k4n

Final reconstructionNumber classes used: 1 / Applied symmetry - Point group: C1 (asymmetric) / Algorithm: FOURIER SPACE / Resolution.type: BY AUTHOR / Resolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Software: (Name: Coot, PHENIX) / Number images used: 585005
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: CTFFIND
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 3.0.1)
Final 3D classificationNumber classes: 4 / Avg.num./class: 500000 / Software - Name: cryoSPARC (ver. 3.0.1)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

7k4n


Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL / Protocol: OTHER / Overall B value: 120 / Target criteria: 0.8
Output model

PDB-7p40:
P5C3 is a potent fab neutralizer

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