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- EMDB-40240: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and ... -

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Entry
Database: EMDB / ID: EMD-40240
TitleSARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment
Map data
Sample
  • Complex: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment
    • Complex: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment
      • Protein or peptide: Processed angiotensin-converting enzyme 2
      • Protein or peptide: Spike glycoprotein
      • Protein or peptide: S309 Fab Heavy chain
      • Protein or peptide: S309 Fab Light chain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsSARS-CoV-2 / COVID-19 / BN.1 / Spike glycoprotein / Neutralizing antibodies / Structural Genomics / Seattle Structural Genomics Center for Infectious Disease / SSGCID / Inhibitor / ACE2 / VIRAL PROTEIN-IMMUNE SYSTEM complex / VIRAL PROTEIN
Function / homology
Function and homology information


positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / angiotensin-mediated drinking behavior / regulation of systemic arterial blood pressure by renin-angiotensin / tryptophan transport / positive regulation of gap junction assembly / regulation of cardiac conduction / regulation of vasoconstriction ...positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / angiotensin-mediated drinking behavior / regulation of systemic arterial blood pressure by renin-angiotensin / tryptophan transport / positive regulation of gap junction assembly / regulation of cardiac conduction / regulation of vasoconstriction / peptidyl-dipeptidase activity / maternal process involved in female pregnancy / angiotensin maturation / Metabolism of Angiotensinogen to Angiotensins / negative regulation of signaling receptor activity / carboxypeptidase activity / Attachment and Entry / positive regulation of cardiac muscle contraction / viral life cycle / regulation of cytokine production / blood vessel diameter maintenance / negative regulation of smooth muscle cell proliferation / brush border membrane / regulation of transmembrane transporter activity / cilium / negative regulation of ERK1 and ERK2 cascade / metallopeptidase activity / positive regulation of reactive oxygen species metabolic process / endocytic vesicle membrane / virus receptor activity / regulation of cell population proliferation / regulation of inflammatory response / endopeptidase activity / 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 / Potential therapeutics for SARS / 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 / membrane fusion / receptor-mediated endocytosis of virus by host cell / 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 / symbiont entry into host cell / membrane raft / apical plasma membrane / endoplasmic reticulum lumen / 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 / cell surface / extracellular space / extracellular exosome / zinc ion binding / extracellular region / identical protein binding / membrane / plasma membrane
Similarity search - Function
Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Peptidase family M2 domain profile. / Neutral zinc metallopeptidases, zinc-binding region signature. / 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 ...Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Peptidase family M2 domain profile. / Neutral zinc metallopeptidases, zinc-binding region signature. / 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 glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Betacoronavirus spike glycoprotein S1, receptor binding / 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
Spike glycoprotein / Angiotensin-converting enzyme 2
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2 / Homo sapiens (human) / Severe acute respiratory syndrome coronavirus
Methodsingle particle reconstruction / cryo EM / Resolution: 3.0 Å
AuthorsPark YJ / Seattle Structural Genomics Center for Infectious Disease (SSGCID) / Veesler D
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R01GM120553 United States
CitationJournal: Nature / Year: 2023
Title: Neutralization, effector function and immune imprinting of Omicron variants.
Authors: Amin Addetia / Luca Piccoli / James Brett Case / Young-Jun Park / Martina Beltramello / Barbara Guarino / Ha Dang / Guilherme Dias de Melo / Dora Pinto / Kaitlin Sprouse / Suzanne M ...Authors: Amin Addetia / Luca Piccoli / James Brett Case / Young-Jun Park / Martina Beltramello / Barbara Guarino / Ha Dang / Guilherme Dias de Melo / Dora Pinto / Kaitlin Sprouse / Suzanne M Scheaffer / Jessica Bassi / Chiara Silacci-Fregni / Francesco Muoio / Marco Dini / Lucia Vincenzetti / Rima Acosta / Daisy Johnson / Sambhavi Subramanian / Christian Saliba / Martina Giurdanella / Gloria Lombardo / Giada Leoni / Katja Culap / Carley McAlister / Anushka Rajesh / Exequiel Dellota / Jiayi Zhou / Nisar Farhat / Dana Bohan / Julia Noack / Alex Chen / Florian A Lempp / Joel Quispe / Lauriane Kergoat / Florence Larrous / Elisabetta Cameroni / Bradley Whitener / Olivier Giannini / Pietro Cippà / Alessandro Ceschi / Paolo Ferrari / Alessandra Franzetti-Pellanda / Maira Biggiogero / Christian Garzoni / Stephanie Zappi / Luca Bernasconi / Min Jeong Kim / Laura E Rosen / Gretja Schnell / Nadine Czudnochowski / Fabio Benigni / Nicholas Franko / Jennifer K Logue / Courtney Yoshiyama / Cameron Stewart / Helen Chu / Hervé Bourhy / Michael A Schmid / Lisa A Purcell / Gyorgy Snell / Antonio Lanzavecchia / Michael S Diamond / Davide Corti / David Veesler /
Abstract: Currently circulating SARS-CoV-2 variants have acquired convergent mutations at hot spots in the receptor-binding domain (RBD) of the spike protein. The effects of these mutations on viral infection ...Currently circulating SARS-CoV-2 variants have acquired convergent mutations at hot spots in the receptor-binding domain (RBD) of the spike protein. The effects of these mutations on viral infection and transmission and the efficacy of vaccines and therapies remains poorly understood. Here we demonstrate that recently emerged BQ.1.1 and XBB.1.5 variants bind host ACE2 with high affinity and promote membrane fusion more efficiently than earlier Omicron variants. Structures of the BQ.1.1, XBB.1 and BN.1 RBDs bound to the fragment antigen-binding region of the S309 antibody (the parent antibody for sotrovimab) and human ACE2 explain the preservation of antibody binding through conformational selection, altered ACE2 recognition and immune evasion. We show that sotrovimab binds avidly to all Omicron variants, promotes Fc-dependent effector functions and protects mice challenged with BQ.1.1 and hamsters challenged with XBB.1.5. Vaccine-elicited human plasma antibodies cross-react with and trigger effector functions against current Omicron variants, despite a reduced neutralizing activity, suggesting a mechanism of protection against disease, exemplified by S309. Cross-reactive RBD-directed human memory B cells remained dominant even after two exposures to Omicron spikes, underscoring the role of persistent immune imprinting.
History
DepositionMar 28, 2023-
Header (metadata) releaseOct 4, 2023-
Map releaseOct 4, 2023-
UpdateOct 4, 2023-
Current statusOct 4, 2023Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_40240.png

Downloads & links

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Map

FileDownload / File: emd_40240.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
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AxesZ (Sec.)Y (Row.)X (Col.)
1 Å/pix.
x 256 pix.
= 256. Å		1 Å/pix.
x 256 pix.
= 256. Å		1 Å/pix.
x 256 pix.
= 256. Å

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Images are generated by Spider.

Voxel sizeX=Y=Z: 1 Å
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Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.9
Minimum - Maximum-7.7145376 - 9.004996999999999
Average (Standard dev.)-0.0010746482 (±0.13337617)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 256.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: #1

Fileemd_40240_additional_1.map
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Half map: #1

Fileemd_40240_half_map_1.map
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Half map: #2

Fileemd_40240_half_map_2.map
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Sample components

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Entire : SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and ...

EntireName: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment
Components
  • Complex: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment
    • Complex: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment
      • Protein or peptide: Processed angiotensin-converting enzyme 2
      • Protein or peptide: Spike glycoprotein
      • Protein or peptide: S309 Fab Heavy chain
      • Protein or peptide: S309 Fab Light chain
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and ...

SupramoleculeName: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#4
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Supramolecule #2: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and ...

SupramoleculeName: SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment
type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1-#4
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Macromolecule #1: Processed angiotensin-converting enzyme 2

MacromoleculeName: Processed angiotensin-converting enzyme 2 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 74.492406 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: STIEEQAKTF LDKFNHEAED LFYQSSLASW NYNTNITEEN VQNMNNAGDK WSAFLKEQST LAQMYPLQEI QNLTVKLQLQ ALQQNGSSV LSEDKSKRLN TILNTMSTIY STGKVCNPDN PQECLLLEPG LNEIMANSLD YNERLWAWES WRSEVGKQLR P LYEEYVVL ...String:
STIEEQAKTF LDKFNHEAED LFYQSSLASW NYNTNITEEN VQNMNNAGDK WSAFLKEQST LAQMYPLQEI QNLTVKLQLQ ALQQNGSSV LSEDKSKRLN TILNTMSTIY STGKVCNPDN PQECLLLEPG LNEIMANSLD YNERLWAWES WRSEVGKQLR P LYEEYVVL KNEMARANHY EDYGDYWRGD YEVNGVDGYD YSRGQLIEDV EHTFEEIKPL YEHLHAYVRA KLMNAYPSYI SP IGCLPAH LLGDMWGRFW TNLYSLTVPF GQKPNIDVTD AMVDQAWDAQ RIFKEAEKFF VSVGLPNMTQ GFWENSMLTD PGN VQKAVC HPTAWDLGKG DFRILMCTKV TMDDFLTAHH EMGHIQYDMA YAAQPFLLRN GANEGFHEAV GEIMSLSAAT PKHL KSIGL LSPDFQEDNE TEINFLLKQA LTIVGTLPFT YMLEKWRWMV FKGEIPKDQW MKKWWEMKRE IVGVVEPVPH DETYC DPAS LFHVSNDYSF IRYYTRTLYQ FQFQEALCQA AKHEGPLHKC DISNSTEAGQ KLFNMLRLGK SEPWTLALEN VVGAKN MNV RPLLNYFEPL FTWLKDQNKN SFVGWSTDWS PYADLVPRGS SAWSHPQFEK GGGSGGGSGG SAWSHPQFEK GSHHHHH HH HHHGGG

UniProtKB: Angiotensin-converting enzyme 2

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Macromolecule #2: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 2 / Details: BN.1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus
Molecular weightTheoretical: 28.473012 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MEWSWVFLFF LSVTTGVHSR FPNITNLCPF HEVFNATTFA SVYAWNRTRI SNCVADYSVL YNFAPFFAFK CYGVSPTKLN DLCFTNVYA DSFVIRGNEV SQIAPGQTGN IADYNYKLPD DFTGCVIAWN SNKLDSKVSG NYNYLYRLFR KSKLKPFERD I STEIYQAG ...String:
MEWSWVFLFF LSVTTGVHSR FPNITNLCPF HEVFNATTFA SVYAWNRTRI SNCVADYSVL YNFAPFFAFK CYGVSPTKLN DLCFTNVYA DSFVIRGNEV SQIAPGQTGN IADYNYKLPD DFTGCVIAWN SNKLDSKVSG NYNYLYRLFR KSKLKPFERD I STEIYQAG NKPCNGVAGF NCYSPLQSYG FRPTYGVGHQ PYRVVVLSFE LLHAPATVCG PKKSTHHHHH HHHGSGSGLN DI FEAQKIE WHE

UniProtKB: Spike glycoprotein

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Macromolecule #3: S309 Fab Heavy chain

MacromoleculeName: S309 Fab Heavy chain / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 24.573471 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QVQLVQSGAE VKKPGASVKV SCKASGYPFT SYGISWVRQA PGQGLEWMGW ISTYNGNTNY AQKFQGRVTM TTDTSTTTGY MELRRLRSD DTAVYYCARD YTRGAWFGES LIGGFDNWGQ GTLVTVSSAS TKGPSVFPLA PSSKSTSGGT AALGCLVKDY F PEPVTVSW ...String:
QVQLVQSGAE VKKPGASVKV SCKASGYPFT SYGISWVRQA PGQGLEWMGW ISTYNGNTNY AQKFQGRVTM TTDTSTTTGY MELRRLRSD DTAVYYCARD YTRGAWFGES LIGGFDNWGQ GTLVTVSSAS TKGPSVFPLA PSSKSTSGGT AALGCLVKDY F PEPVTVSW NSGALTSGVH TFPAVLQSSG LYSLSSVVTV PSSSLGTQTY ICNVNHKPSN TKVDKKVEPK SC

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Macromolecule #4: S309 Fab Light chain

MacromoleculeName: S309 Fab Light chain / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 23.204697 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: EIVLTQSPGT LSLSPGERAT LSCRASQTVS STSLAWYQQK PGQAPRLLIY GASSRATGIP DRFSGSGSGT DFTLTISRLE PEDFAVYYC QQHDTSLTFG GGTKVEIKRT VAAPSVFIFP PSDEQLKSGT ASVVCLLNNF YPREAKVQWK VDNALQSGNS Q ESVTEQDS ...String:
EIVLTQSPGT LSLSPGERAT LSCRASQTVS STSLAWYQQK PGQAPRLLIY GASSRATGIP DRFSGSGSGT DFTLTISRLE PEDFAVYYC QQHDTSLTFG GGTKVEIKRT VAAPSVFIFP PSDEQLKSGT ASVVCLLNNF YPREAKVQWK VDNALQSGNS Q ESVTEQDS KDSTYSLSST LTLSKADYEK HKVYACEVTH QGLSSPVTKS FNRGEC

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Macromolecule #6: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 6 / Number of copies: 5 / 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

BufferpH: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 3.5 µm / Nominal defocus min: 0.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: OTHER / Details: ab initio
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.0 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC / Number images used: 1852290
Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: PROJECTION MATCHING

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Atomic model buiding 1

RefinementProtocol: AB INITIO MODEL
Output model

PDB-8s9g:
SARS-CoV-2 BN.1 spike RBD bound to the human ACE2 ectodomain and the S309 neutralizing antibody Fab fragment

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