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- EMDB-38418: A neutralizing nanobody VHH60 against wt SARS-CoV-2 -

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Basic information

Entry
Database: EMDB / ID: EMD-38418
TitleA neutralizing nanobody VHH60 against wt SARS-CoV-2
Map data
Sample
  • Complex: SARS-CoV-2 Spike glycoprotein complex with VHH60 nanobody
    • Complex: spike glycoprotein
      • Protein or peptide: Spike glycoprotein
    • Complex: nanobody
      • Protein or peptide: nanobody VHH60
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsCOVID-19 / spike glycoprotein / virus / antibody / VIRAL PROTEIN/IMMUNE SYSTEM / VIRAL PROTEIN-IMMUNE SYSTEM complex / ANTIVIRAL PROTEIN / ANTIVIRAL 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 / host cell endoplasmic reticulum-Golgi intermediate compartment membrane ...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 / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / entry receptor-mediated virion attachment to host cell / receptor-mediated endocytosis of virus by host cell / Attachment and Entry / membrane fusion / 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
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 ...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
Biological speciesSevere acute respiratory syndrome coronavirus 2 / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsLu Y / Guo H / Ji X / Yang H
Funding support2 items
OrganizationGrant numberCountry
Other government92169109
Other governmentZD2021CY001
CitationJournal: Cell Death Dis / Year: 2024
Title: A broad neutralizing nanobody against SARS-CoV-2 engineered from an approved drug.
Authors: Qianyun Liu / Yuchi Lu / Chenguang Cai / Yanyan Huang / Li Zhou / Yanbin Guan / Shiying Fu / Youyou Lin / Huan Yan / Zhen Zhang / Xiang Li / Xiuna Yang / Haitao Yang / Hangtian Guo / Ke Lan ...Authors: Qianyun Liu / Yuchi Lu / Chenguang Cai / Yanyan Huang / Li Zhou / Yanbin Guan / Shiying Fu / Youyou Lin / Huan Yan / Zhen Zhang / Xiang Li / Xiuna Yang / Haitao Yang / Hangtian Guo / Ke Lan / Yu Chen / Shin-Chen Hou / Yi Xiong /
Abstract: SARS-CoV-2 infection is initiated by Spike glycoprotein binding to the human angiotensin-converting enzyme 2 (ACE2) receptor via its receptor binding domain. Blocking this interaction has been proven ...SARS-CoV-2 infection is initiated by Spike glycoprotein binding to the human angiotensin-converting enzyme 2 (ACE2) receptor via its receptor binding domain. Blocking this interaction has been proven to be an effective approach to inhibit virus infection. Here we report the discovery of a neutralizing nanobody named VHH60, which was directly produced from an engineering nanobody library based on a commercialized nanobody within a very short period. VHH60 competes with human ACE2 to bind the receptor binding domain of the Spike protein at S, Sand S as determined by structural analysis, with an affinity of 2.56 nM. It inhibits infections of both ancestral SARS-CoV-2 strain and pseudotyped viruses harboring SARS-CoV-2 wildtype, key mutations or variants at the nanomolar level. Furthermore, VHH60 suppressed SARS-CoV-2 infection and propagation 50-fold better and protected mice from death for twice as long as the control group after SARS-CoV-2 nasal infections in vivo. Therefore, VHH60 is not only a powerful nanobody with a promising profile for disease control but also provides evidence for a highly effective and rapid approach to generating therapeutic nanobodies.
History
DepositionDec 23, 2023-
Header (metadata) releaseJul 10, 2024-
Map releaseJul 10, 2024-
UpdateJul 10, 2024-
Current statusJul 10, 2024Processing site: PDBj / Status: Released

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Structure visualization

Downloads & links

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Map

FileDownload / File: emd_38418.map.gz / Format: CCP4 / Size: 506 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 0.84 Å
Density
Contour LevelBy AUTHOR: 0.25
Minimum - Maximum-2.1835635 - 3.9599771
Average (Standard dev.)-0.0003083029 (±0.058281347)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions510510510
Spacing510510510
CellA=B=C: 428.4 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 glycoprotein complex with VHH60 nanobody

EntireName: SARS-CoV-2 Spike glycoprotein complex with VHH60 nanobody
Components
  • Complex: SARS-CoV-2 Spike glycoprotein complex with VHH60 nanobody
    • Complex: spike glycoprotein
      • Protein or peptide: Spike glycoprotein
    • Complex: nanobody
      • Protein or peptide: nanobody VHH60
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 Spike glycoprotein complex with VHH60 nanobody

SupramoleculeName: SARS-CoV-2 Spike glycoprotein complex with VHH60 nanobody
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2

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Supramolecule #2: spike glycoprotein

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

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Supramolecule #3: nanobody

SupramoleculeName: nanobody / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: synthetic construct (others)

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Macromolecule #1: nanobody VHH60

MacromoleculeName: nanobody VHH60 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 13.410872 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
EVQLVESGGG LVQPGGSLRL SCAASGRTFR VNLMGWFRQA PGKGRELVAS INGFDDITYY PDSVEGRFTI SRDNAKRMVY LQMNSLRAE DTAVYYCAAY DSDYDGRLFN YWGQGTQVTV SS

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Macromolecule #2: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 142.347281 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF ...String:
MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LREFVFKNID GYFKIYSKHT PINLVRDLPQ GFSALEPLVD LPIGINITRF QT LLALHRS YLTPGDSSSG WTAGAAAYYV GYLQPRTFLL KYNENGTITD AVDCALDPLS ETKCTLKSFT VEKGIYQTSN FRV QPTESI VRFPNITNLC PFGEVFNATR FASVYAWNRK RISNCVADYS VLYNSASFST FKCYGVSPTK LNDLCFTNVY ADSF VIRGD EVRQIAPGQT GKIADYNYKL PDDFTGCVIA WNSNNLDSKV GGNYNYLYRL FRKSNLKPFE RDISTEIYQA GSTPC NGVE GFNCYFPLQS YGFQPTNGVG YQPYRVVVLS FELLHAPATV CGPKKSTNLV KNKCVNFNFN GLTGTGVLTE SNKKFL PFQ QFGRDIADTT DAVRDPQTLE ILDITPCSFG GVSVITPGTN TSNQVAVLYQ DVNCTEVPVA IHADQLTPTW RVYSTGS NV FQTRAGCLIG AEHVNNSYEC DIPIGAGICA SYQTQTNSPG SASSVASQSI IAYTMSLGAE NSVAYSNNSI AIPTNFTI S VTTEILPVSM TKTSVDCTMY ICGDSTECSN LLLQYGSFCT QLNRALTGIA VEQDKNTQEV FAQVKQIYKT PPIKDFGGF NFSQILPDPS KPSKRSPIED LLFNKVTLAD AGFIKQYGDC LGDIAARDLI CAQKFNGLTV LPPLLTDEMI AQYTSALLAG TITSGWTFG AGPALQIPFP MQMAYRFNGI GVTQNVLYEN QKLIANQFNS AIGKIQDSLS STPSALGKLQ DVVNQNAQAL N TLVKQLSS NFGAISSVLN DILSRLDPPE AEVQIDRLIT GRLQSLQTYV TQQLIRAAEI RASANLAATK MSECVLGQSK RV DFCGKGY HLMSFPQSAP HGVVFLHVTY VPAQEKNFTT APAICHDGKA HFPREGVFVS NGTHWFVTQR NFYEPQIITT DNT FVSGNC DVVIGIVNNT VYDPLQPELD SFKEELDKYF KNHTSPDVDL GDISGINASV VNIQKEIDRL NEVAKNLNES LIDL QELGK YEQGSGYIPE APRDGQAYVR KDGEWVFLST FLSGLEVLFQ GPGGWSHPQF EKGGGSGGGS GGSAWSHPQF EKGGS HHHH HHHH

UniProtKB: Spike glycoprotein

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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: 20 / 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: 7.4
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: SPOT SCAN / Imaging mode: BRIGHT FIELD / Nominal defocus max: 1.8 µm / Nominal defocus min: 1.2 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 207363
Initial angle assignmentType: COMMON LINE
Final angle assignmentType: COMMON LINE

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