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- EMDB-50503: Omicron BA.1 Spike protein with neutralizing NTD specific mAb K501SP6 -

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ID or keywords:

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Basic information

Entry
Database: EMDB / ID: EMD-50503
TitleOmicron BA.1 Spike protein with neutralizing NTD specific mAb K501SP6
Map dataGlobally refined map - spike trimer fab
Sample
  • Complex: Alphacoronavirus
    • Complex: Antibody
      • Protein or peptide: K501SP6 Fv Heavy Chain
      • Protein or peptide: K501SP6 Fv Light Chain
    • Complex: Spike glycoprotein with fibritin
      • Protein or peptide: Spike glycoprotein,Fibritin
KeywordsNeutralizing Antibody / Conserved Epitope / Covid-19 / Spike / VIRAL PROTEIN
Function / homology
Function and homology information


virion component / 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 ...virion component / 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 / Attachment and Entry / membrane fusion / symbiont-mediated suppression of host innate immune response / 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 / 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
Fibritin C-terminal / Fibritin C-terminal region / 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 ...Fibritin C-terminal / Fibritin C-terminal region / 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
Spike glycoprotein / Fibritin
Similarity search - Component
Biological speciesHomo sapiens (human) / Severe acute respiratory syndrome coronavirus 2 / Enterobacteria phage T4 (virus)
Methodsingle particle reconstruction / cryo EM / Resolution: 2.84 Å
AuthorsBjoernsson KH / Walker MR / Raghavan SSR / Ward AB / Barfod LK
Funding support Denmark, 1 items
OrganizationGrant numberCountry
Novo Nordisk Foundation Denmark
CitationJournal: To Be Published
Title: Omicron BA.1 Spike protein with neutralizing NTD specific mAb K501SP6
Authors: Bjoernsson KH / Walker MR / Raghavan SSR / Ward AB / Barfod LK
History
DepositionMay 31, 2024-
Header (metadata) releaseAug 14, 2024-
Map releaseAug 14, 2024-
UpdateAug 14, 2024-
Current statusAug 14, 2024Processing site: PDBe / Status: Released

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Structure visualization

Downloads & links

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Map

FileDownload / File: emd_50503.map.gz / Format: CCP4 / Size: 512 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationGlobally refined map - spike trimer fab
Voxel sizeX=Y=Z: 0.718 Å
Density
Contour LevelBy AUTHOR: 0.1
Minimum - Maximum-0.6137008 - 1.0170816
Average (Standard dev.)-0.000047815316 (±0.018078707)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions512512512
Spacing512512512
CellA=B=C: 367.616 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : Alphacoronavirus

EntireName: Alphacoronavirus
Components
  • Complex: Alphacoronavirus
    • Complex: Antibody
      • Protein or peptide: K501SP6 Fv Heavy Chain
      • Protein or peptide: K501SP6 Fv Light Chain
    • Complex: Spike glycoprotein with fibritin
      • Protein or peptide: Spike glycoprotein,Fibritin

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Supramolecule #1: Alphacoronavirus

SupramoleculeName: Alphacoronavirus / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Details: Omicron BA.1 spike trimer with Fab fragment of human monoclonal antibody K501SP6 produced with hybridoma technology

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Supramolecule #2: Antibody

SupramoleculeName: Antibody / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #2-#3 / Details: Human monoclonal antibody
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #3: Spike glycoprotein with fibritin

SupramoleculeName: Spike glycoprotein with fibritin / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #1 / Details: Omicron BA.1 spike trimer
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2 / Strain: Omicron BA.1

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Macromolecule #1: Spike glycoprotein,Fibritin

MacromoleculeName: Spike glycoprotein,Fibritin / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Enterobacteria phage T4 (virus)
Molecular weightTheoretical: 141.481031 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHVISG TNGTKRFDNP VLPFNDGVY FASIEKSNII RGWIFGTTLD SKTQSLLIVN NATNVVIKVC EFQFCNDPFL DHKNNKSWME SEFRVYSSAN N CTFEYVSQ ...String:
MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHVISG TNGTKRFDNP VLPFNDGVY FASIEKSNII RGWIFGTTLD SKTQSLLIVN NATNVVIKVC EFQFCNDPFL DHKNNKSWME SEFRVYSSAN N CTFEYVSQ PFLMDLEGKQ GNFKNLREFV FKNIDGYFKI YSKHTPILVR EPEDLPQGFS ALEPLVDLPI GINITRFQTL LA LHRSYLT PGDSSSGWTA GAAAYYVGYL QPRTFLLKYN ENGTITDAVD CALDPLSETK CTLKSFTVEK GIYQTSNFRV QPT ESIVRF PNITNLCPFD EVFNATRFAS VYAWNRKRIS NCVADYSVLY NLAPFFTFKC YGVSPTKLND LCFTNVYADS FVIR GDEVR QIAPGQTGNI ADYNYKLPDD FTGCVIAWNS NKLDSKVSGN YNYLYRLFRK SNLKPFERDI STEIYQAGNK PCNGV AGFN CYFPLRSYSF RPTYGVGHQP YRVVVLSFEL LHAPATVCGP KKSTNLVKNK CVNFNFNGLK GTGVLTESNK KFLPFQ QFG RDIADTTDAV RDPQTLEILD ITPCSFGGVS VITPGTNTSN QVAVLYQGVN CTEVPVAIHA DQLTPTWRVY STGSNVF QT RAGCLIGAEY VNNSYECDIP IGAGICASYQ TQTKSHGSAS SVASQSIIAY TMSLGAENSV AYSNNSIAIP TNFTISVT T EILPVSMTKT SVDCTMYICG DSTECSNLLL QYGSFCTQLK RALTGIAVEQ DKNTQEVFAQ VKQIYKTPPI KYFGGFNFS QILPDPSKPS KRSPIEDLLF NKVTLADAGF IKQYGDCLGD IAARDLICAQ KFKGLTVLPP LLTDEMIAQY TSALLAGTIT SGWTFGAGP ALQIPFPMQM AYRFNGIGVT QNVLYENQKL IANQFNSAIG KIQDSLSSTP SALGKLQDVV NHNAQALNTL V KQLSSKFG AISSVLNDIF SRLDPPEAEV QIDRLITGRL QSLQTYVTQQ LIRAAEIRAS ANLAATKMSE CVLGQSKRVD FC GKGYHLM SFPQSAPHGV VFLHVTYVPA QEKNFTTAPA ICHDGKAHFP REGVFVSNGT HWFVTQRNFY EPQIITTDNT FVS GNCDVV IGIVNNTVYD PLQPELDSFK EELDKYFKNH TSPDVDLGDI SGINASVVNI QKEIDRLNEV AKNLNESLID LQEL GKYEQ GSGYIPEAPR DGQAYVRKDG EWVLLSTFLG RSLEVLFQGP GSAWSHPQFE KGGGSGGGGS GGSAWSHPQF EK

UniProtKB: Spike glycoprotein, Fibritin

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Macromolecule #2: K501SP6 Fv Heavy Chain

MacromoleculeName: K501SP6 Fv Heavy Chain / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.387906 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
QVQLQESGPG LVKPSETLSL TCTVSGGSIS SRSYYWGWIR QPPGKGLEWI GSIYYSGSTY YNPSLKSRVT ISVDTSKNQF SLKMNSMTA ADTAVYYCAR LRGDEIYYES SGYYSYFDYW GQGTLVTVSS

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Macromolecule #3: K501SP6 Fv Light Chain

MacromoleculeName: K501SP6 Fv Light Chain / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 14.002314 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
WAQSALTQPP SVSGAPGQRV AISCTGSSAN IGTADDVHWY QQLPRTAPKL LIYGNNNRPS GVPDRFSGSQ SGTSASLVIT GLQPEDEAD YFCQSYDSSL SGYVFGTGTK VTVLGQPKAA PSVTLFPPSS EELQA

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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

Concentration1.2 mg/mL
BufferpH: 7.5 / Details: TBS, pH 7.5
GridModel: UltrAuFoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 60 sec.
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeTFS GLACIOS
Image recordingFilm or detector model: FEI FALCON IV (4k x 4k) / Average electron dose: 60.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 195000
Sample stageCooling holder cryogen: NITROGEN

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Image processing

Particle selectionNumber selected: 591736
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7wp9


Details: Homotimer (spike protein) with Fab region of neutralizing mAb K501SP6
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.84 Å / Resolution method: FSC 0.5 CUT-OFF / Number images used: 87875
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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