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- EMDB-25806: Locally refined region of SARS-CoV-2 spike in complex with antibo... -

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Basic information

Entry
Database: EMDB / ID: EMD-25806
TitleLocally refined region of SARS-CoV-2 spike in complex with antibody A19-46.1
Map dataLocal refined cryo-EM map for SARS-COV-2 Omicron spike in complex with antibody A19-46.1 at the RBD-antibody interface
Sample
  • Complex: SARS-CoV-2 spike in complex with antibody A19-46.1, local refinement.
    • Protein or peptide: Spike protein S1
    • Protein or peptide: Heavy chain of antibody A19-46.1
    • Protein or peptide: Light chain of antibody A19-46.1
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsSARS-CoV-2 / Omicron / spike / antibody / VIRAL PROTEIN / VIRAL PROTEIN-Immune System complex
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 / entry receptor-mediated virion attachment to host cell ...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 / entry receptor-mediated virion attachment to host cell / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / receptor-mediated endocytosis of virus by host cell / membrane fusion / Attachment and Entry / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / receptor ligand activity / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / 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, betacoronavirus / Spike glycoprotein, N-terminal domain superfamily / 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 S1 subunit, receptor binding domain superfamily, 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, betacoronavirus / Spike glycoprotein, N-terminal domain superfamily / 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 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 1 (HR1) region profile. / Coronavirus spike (S) glycoprotein S2 subunit heptad repeat 2 (HR2) region profile. / Spike glycoprotein S2 superfamily, coronavirus / 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: 5.08 Å
AuthorsZhou T / Kwong PD
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)Intramural United States
CitationJournal: Science / Year: 2022
Title: Structural basis for potent antibody neutralization of SARS-CoV-2 variants including B.1.1.529.
Authors: Tongqing Zhou / Lingshu Wang / John Misasi / Amarendra Pegu / Yi Zhang / Darcy R Harris / Adam S Olia / Chloe Adrienna Talana / Eun Sung Yang / Man Chen / Misook Choe / Wei Shi / I-Ting Teng ...Authors: Tongqing Zhou / Lingshu Wang / John Misasi / Amarendra Pegu / Yi Zhang / Darcy R Harris / Adam S Olia / Chloe Adrienna Talana / Eun Sung Yang / Man Chen / Misook Choe / Wei Shi / I-Ting Teng / Adrian Creanga / Claudia Jenkins / Kwanyee Leung / Tracy Liu / Erik-Stephane D Stancofski / Tyler Stephens / Baoshan Zhang / Yaroslav Tsybovsky / Barney S Graham / John R Mascola / Nancy J Sullivan / Peter D Kwong /
Abstract: The rapid spread of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) B.1.1.529 (Omicron) variant and its resistance to neutralization by vaccinee and convalescent sera are driving a ...The rapid spread of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) B.1.1.529 (Omicron) variant and its resistance to neutralization by vaccinee and convalescent sera are driving a search for monoclonal antibodies with potent neutralization. To provide insight into effective neutralization, we determined cryo-electron microscopy structures and evaluated receptor binding domain (RBD) antibodies for their ability to bind and neutralize B.1.1.529. Mutations altered 16% of the B.1.1.529 RBD surface, clustered on an RBD ridge overlapping the angiotensin-converting enzyme 2 (ACE2)-binding surface and reduced binding of most antibodies. Substantial inhibitory activity was retained by select monoclonal antibodies-including A23-58.1, B1-182.1, COV2-2196, S2E12, A19-46.1, S309, and LY-CoV1404-that accommodated these changes and neutralized B.1.1.529. We identified combinations of antibodies with synergistic neutralization. The analysis revealed structural mechanisms for maintenance of potent neutralization against emerging variants.
History
DepositionDec 23, 2021-
Header (metadata) releaseMar 30, 2022-
Map releaseMar 30, 2022-
UpdateNov 20, 2024-
Current statusNov 20, 2024Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_25806.png

Downloads & links

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Map

FileDownload / File: emd_25806.map.gz / Format: CCP4 / Size: 476.8 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationLocal refined cryo-EM map for SARS-COV-2 Omicron spike in complex with antibody A19-46.1 at the RBD-antibody interface
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.86 Å/pix.
x 500 pix.
= 427.5 Å		0.86 Å/pix.
x 500 pix.
= 427.5 Å		0.86 Å/pix.
x 500 pix.
= 427.5 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.855 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.101
Minimum - Maximum-1.1693288 - 1.2093719
Average (Standard dev.)-0.0009637127 (±0.01115979)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions500500500
Spacing500500500
CellA=B=C: 427.5 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : SARS-CoV-2 spike in complex with antibody A19-46.1, local refinement.

EntireName: SARS-CoV-2 spike in complex with antibody A19-46.1, local refinement.
Components
  • Complex: SARS-CoV-2 spike in complex with antibody A19-46.1, local refinement.
    • Protein or peptide: Spike protein S1
    • Protein or peptide: Heavy chain of antibody A19-46.1
    • Protein or peptide: Light chain of antibody A19-46.1
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 spike in complex with antibody A19-46.1, local refinement.

SupramoleculeName: SARS-CoV-2 spike in complex with antibody A19-46.1, local refinement.
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 570 KDa

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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: Homo sapiens (human)
Molecular weightTheoretical: 22.183078 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: ITNLCPFDEV FNATRFASVY AWNRKRISNC VADYSVLYNL APFFTFKCYG VSPTKLNDLC FTNVYADSFV IRGDEVRQIA PGQTGNIAD YNYKLPDDFT GCVIAWNSNK LDSKVSGNYN YLYRLFRKSN LKPFERDIST EIYQAGNKPC NGVAGFNCYF P LRSYSFRP ...String:
ITNLCPFDEV FNATRFASVY AWNRKRISNC VADYSVLYNL APFFTFKCYG VSPTKLNDLC FTNVYADSFV IRGDEVRQIA PGQTGNIAD YNYKLPDDFT GCVIAWNSNK LDSKVSGNYN YLYRLFRKSN LKPFERDIST EIYQAGNKPC NGVAGFNCYF P LRSYSFRP TYGVGHQPYR VVVLSFELLH APATVCG

UniProtKB: Spike glycoprotein

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Macromolecule #2: Heavy chain of antibody A19-46.1

MacromoleculeName: Heavy chain of antibody A19-46.1 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 24.8699 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QVQLVESGGG VVQPGRSLRL SCAASGFTLS SYGMHWVRQA PGKGLEWVAV ISYDGSNKYY VDSVKGRFTI SRDNSKNTLY LQMNSLRAE DTAVYYCARG WAYWELLPDY YYGMDVWGQG TTVTVSSAST KGPSVFPLAP SSKSTSGGTA ALGCLVKDYF P EPVTVSWN ...String:
QVQLVESGGG VVQPGRSLRL SCAASGFTLS SYGMHWVRQA PGKGLEWVAV ISYDGSNKYY VDSVKGRFTI SRDNSKNTLY LQMNSLRAE DTAVYYCARG WAYWELLPDY YYGMDVWGQG TTVTVSSAST KGPSVFPLAP SSKSTSGGTA ALGCLVKDYF P EPVTVSWN SGALTSGVHT FPAVLQSSGL YSLSSVVTVP SSSLGTQTYI CNVNHKPSNT KVDKKVEPKS CDK

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Macromolecule #3: Light chain of antibody A19-46.1

MacromoleculeName: Light chain of antibody A19-46.1 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 22.760273 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QTVVTQEPSF SVSPGGTVTL TCGLSSGSVS TAYFPSWYQQ TPGQAPRTLI YGTNTRSSGV PDRFSGSILG NKAALTITGA QADDESDYY CVLYMGRGIV VFGGGTKLTV LGQPKAAPSV TLFPPSSEEL QANKATLVCL ISDFYPGAVT VAWKADSSPV K AGVETTTP ...String:
QTVVTQEPSF SVSPGGTVTL TCGLSSGSVS TAYFPSWYQQ TPGQAPRTLI YGTNTRSSGV PDRFSGSILG NKAALTITGA QADDESDYY CVLYMGRGIV VFGGGTKLTV LGQPKAAPSV TLFPPSSEEL QANKATLVCL ISDFYPGAVT VAWKADSSPV K AGVETTTP SKQSNNKYAA SSYLSLTPEQ WKSHRSYSCQ VTHEGSTVEK TVAPTECS

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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

Concentration0.5 mg/mL
BufferpH: 7.4 / Details: 100 mM HEPES, 150 mM NaCl
VitrificationCryogen name: ETHANE / Chamber humidity: 95 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV / Details: Blot for 2-3.5 seconds before plugging..
DetailsComplex at 0.5 mg/mL concentration in the buffer

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: OTHER / Average electron dose: 40.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 100.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.1 µm / Nominal defocus min: 1.1 µm / Nominal magnification: 105000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7mm0


Details: SARS-CoV-2 receptor-binding domain in complex with antibody A23-58.1
Final reconstructionResolution.type: BY AUTHOR / Resolution: 5.08 Å / Resolution method: FSC 0.5 CUT-OFF / Software - Name: cryoSPARC (ver. 2.15) / Number images used: 79077
Initial angle assignmentType: NOT APPLICABLE
Final angle assignmentType: NOT APPLICABLE

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Atomic model buiding 1

Initial modelPDB ID:

7mm0


Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL / Protocol: RIGID BODY FIT
Output model

PDB-7tc9:
Locally refined region of SARS-CoV-2 spike in complex with antibody A19-46.1

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