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- EMDB-24649: SARS-CoV-2 receptor binding domain bound to Fab PDI 222 -

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Basic information

Entry
Database: EMDB / ID: EMD-24649
TitleSARS-CoV-2 receptor binding domain bound to Fab PDI 222
Map dataLocal refinement of PDI 222 Fab variable domains in complex with SARS-CoV-2 RBD
Sample
  • Complex: SARS-CoV-2 receptor binding domain- Fab PDI 222 complex
    • Complex: SARS-CoV-2 receptor binding domain
      • Protein or peptide: Spike protein S1
    • Complex: Fab PDI 222
      • Protein or peptide: PDI 222 Fab Heavy Chain
      • Protein or peptide: PDI 222 Fab Light Chain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsAntibody / SARS-CoV-2 RBD / Complex / VIRAL PROTEIN / VIRAL PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


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 ...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
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: 3.12 Å
AuthorsPymm P / Glukhova A
Funding support Australia, 1 items
OrganizationGrant numberCountry
National Health and Medical Research Council (NHMRC, Australia)GNT2002073 Australia
CitationJournal: Cell Rep / Year: 2021
Title: Landscape of human antibody recognition of the SARS-CoV-2 receptor binding domain.
Authors: Adam K Wheatley / Phillip Pymm / Robyn Esterbauer / Melanie H Dietrich / Wen Shi Lee / Damien Drew / Hannah G Kelly / Li-Jin Chan / Francesca L Mordant / Katrina A Black / Amy Adair / Hyon- ...Authors: Adam K Wheatley / Phillip Pymm / Robyn Esterbauer / Melanie H Dietrich / Wen Shi Lee / Damien Drew / Hannah G Kelly / Li-Jin Chan / Francesca L Mordant / Katrina A Black / Amy Adair / Hyon-Xhi Tan / Jennifer A Juno / Kathleen M Wragg / Thakshila Amarasena / Ester Lopez / Kevin J Selva / Ebene R Haycroft / James P Cooney / Hariprasad Venugopal / Li Lynn Tan / Matthew T O Neill / Cody C Allison / Deborah Cromer / Miles P Davenport / Richard A Bowen / Amy W Chung / Marc Pellegrini / Mark T Liddament / Alisa Glukhova / Kanta Subbarao / Stephen J Kent / Wai-Hong Tham /
Abstract: Potent neutralizing monoclonal antibodies are one of the few agents currently available to treat COVID-19. SARS-CoV-2 variants of concern (VOCs) that carry multiple mutations in the viral spike ...Potent neutralizing monoclonal antibodies are one of the few agents currently available to treat COVID-19. SARS-CoV-2 variants of concern (VOCs) that carry multiple mutations in the viral spike protein can exhibit neutralization resistance, potentially affecting the effectiveness of some antibody-based therapeutics. Here, the generation of a diverse panel of 91 human, neutralizing monoclonal antibodies provides an in-depth structural and phenotypic definition of receptor binding domain (RBD) antigenic sites on the viral spike. These RBD antibodies ameliorate SARS-CoV-2 infection in mice and hamster models in a dose-dependent manner and in proportion to in vitro, neutralizing potency. Assessing the effect of mutations in the spike protein on antibody recognition and neutralization highlights both potent single antibodies and stereotypic classes of antibodies that are unaffected by currently circulating VOCs, such as B.1.351 and P.1. These neutralizing monoclonal antibodies and others that bind analogous epitopes represent potentially useful future anti-SARS-CoV-2 therapeutics.
History
DepositionAug 8, 2021-
Header (metadata) releaseOct 6, 2021-
Map releaseOct 6, 2021-
UpdateNov 13, 2024-
Current statusNov 13, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.025
  • Imaged by UCSF Chimera
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  • Surface view colored by height
  • Surface level: 0.025
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7rr0
  • Surface level: 0.025
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_24649.png

Downloads & links

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Map

FileDownload / File: emd_24649.map.gz / Format: CCP4 / Size: 22.2 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationLocal refinement of PDI 222 Fab variable domains in complex with SARS-CoV-2 RBD
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.06 Å/pix.
x 180 pix.
= 190.8 Å		1.06 Å/pix.
x 180 pix.
= 190.8 Å		1.06 Å/pix.
x 180 pix.
= 190.8 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.06 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.025 / Movie #1: 0.025
Minimum - Maximum-0.06504992 - 0.107434876
Average (Standard dev.)0.00009620674 (±0.0022737714)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions180180180
Spacing180180180
CellA=B=C: 190.79999 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.061.061.06
M x/y/z180180180
origin x/y/z0.0000.0000.000
length x/y/z190.800190.800190.800
α/β/γ90.00090.00090.000
start NX/NY/NZ-200-200-200
NX/NY/NZ400400400
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS180180180
D min/max/mean-0.0650.1070.000

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Supplemental data

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Sample components

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Entire : SARS-CoV-2 receptor binding domain- Fab PDI 222 complex

EntireName: SARS-CoV-2 receptor binding domain- Fab PDI 222 complex
Components
  • Complex: SARS-CoV-2 receptor binding domain- Fab PDI 222 complex
    • Complex: SARS-CoV-2 receptor binding domain
      • Protein or peptide: Spike protein S1
    • Complex: Fab PDI 222
      • Protein or peptide: PDI 222 Fab Heavy Chain
      • Protein or peptide: PDI 222 Fab Light Chain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 receptor binding domain- Fab PDI 222 complex

SupramoleculeName: SARS-CoV-2 receptor binding domain- Fab PDI 222 complex
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Molecular weightTheoretical: 47 KDa

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Supramolecule #2: SARS-CoV-2 receptor binding domain

SupramoleculeName: SARS-CoV-2 receptor binding domain / 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 PDI 222

SupramoleculeName: Fab PDI 222 / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2-#3
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Spike protein S1

MacromoleculeName: Spike protein S1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 21.772391 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: NLCPFGEVFN ATRFASVYAW NRKRISNCVA DYSVLYNSAS FSTFKCYGVS PTKLNDLCFT NVYADSFVIR GDEVRQIAPG QTGKIADYN YKLPDDFTGC VIAWNSNNLD SKVGGNYNYL YRLFRKSNLK PFERDISTEI YQAGSTPCNG VEGFNCYFPL Q SYGFQPTN ...String:
NLCPFGEVFN ATRFASVYAW NRKRISNCVA DYSVLYNSAS FSTFKCYGVS PTKLNDLCFT NVYADSFVIR GDEVRQIAPG QTGKIADYN YKLPDDFTGC VIAWNSNNLD SKVGGNYNYL YRLFRKSNLK PFERDISTEI YQAGSTPCNG VEGFNCYFPL Q SYGFQPTN GVGYQPYRVV VLSFELLHAP ATVCGP

UniProtKB: Spike glycoprotein

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Macromolecule #2: PDI 222 Fab Heavy Chain

MacromoleculeName: PDI 222 Fab Heavy Chain / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 13.401109 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
QVQLVQSGPE VKKPGTSVKV SCKASGFTFS SSAVQWVRQA RGQRLEWIGW IVVGSGNANY APRFQERVTI TRDMSTNTAY MELSSLRSE DTAVYYCAAP NCSRTLCYDG FNMWGQGTMV TV

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Macromolecule #3: PDI 222 Fab Light Chain

MacromoleculeName: PDI 222 Fab Light Chain / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.72991 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
EIVLTQSPGS LSLSPGERAT LSCRASQSVR SSYLGWYQQK PGQAPRLLIY GASSRATGIP DRFSGSGSET DFTLTISRLE PEDFAVYYC QQYDSSPWTF GQGTKVEI

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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: 1 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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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

Concentration3.0 mg/mL
BufferpH: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal magnification: 130000
Sample stageSpecimen holder model: OTHER
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 522835
Startup modelType of model: OTHER
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.12 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 182255
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
FSC plot (resolution estimation)

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