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- EMDB-50420: SARS-CoV-2 (wuhan variant) Spike protein in complex with the sing... -

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Basic information

Entry
Database: EMDB / ID: EMD-50420
TitleSARS-CoV-2 (wuhan variant) Spike protein in complex with the single chain fragment scFv41N (focused refinement)
Map datasharp map
Sample
  • Complex: SARS-CoV-2 Spike protein in complex with the single chain fragment scFv76
    • Complex: SARS-CoV-2 Spike protein
      • Protein or peptide: Spike glycoprotein,Fibritin
    • Complex: scFv76-77 single chain fragment
      • Protein or peptide: Single Chain fragment scFv41N
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsSARS-CoV-2 / Spike / single chain fragment / 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 / 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
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 / 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. ...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 / 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
Spike glycoprotein / Fibritin
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2 / Homo sapiens (human) / Enterobacteria phage T4 (virus)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.0 Å
AuthorsBerlinguer M / Chaves-Sanjuan A / Milazzo FM / Minenkova O / De Santis R / Bolognesi M
Funding support Italy, 1 items
OrganizationGrant numberCountry
Other private Italy
CitationJournal: To Be Published
Title: Structure of scFv41N in complex with SARS-CoV-2 Spike protein
Authors: Chaves-Sanjuan A / Bolognesi M
History
DepositionMay 25, 2024-
Header (metadata) releaseJun 12, 2024-
Map releaseJun 12, 2024-
UpdateNov 13, 2024-
Current statusNov 13, 2024Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_50420.png

Downloads & links

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Map

FileDownload / File: emd_50420.map.gz / Format: CCP4 / Size: 244.1 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationsharp map
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.89 Å/pix.
x 400 pix.
= 355.6 Å		0.89 Å/pix.
x 400 pix.
= 355.6 Å		0.89 Å/pix.
x 400 pix.
= 355.6 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.889 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.771
Minimum - Maximum-2.658476 - 3.4167798
Average (Standard dev.)-0.0030379407 (±0.047184255)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions400400400
Spacing400400400
CellA=B=C: 355.6 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_50420_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Additional map: unsharp map

Fileemd_50420_additional_1.map
Annotationunsharp map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_50420_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_50420_half_map_2.map
Projections & Slices
AxesZYX

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Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : SARS-CoV-2 Spike protein in complex with the single chain fragmen...

EntireName: SARS-CoV-2 Spike protein in complex with the single chain fragment scFv76
Components
  • Complex: SARS-CoV-2 Spike protein in complex with the single chain fragment scFv76
    • Complex: SARS-CoV-2 Spike protein
      • Protein or peptide: Spike glycoprotein,Fibritin
    • Complex: scFv76-77 single chain fragment
      • Protein or peptide: Single Chain fragment scFv41N
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 Spike protein in complex with the single chain fragmen...

SupramoleculeName: SARS-CoV-2 Spike protein in complex with the single chain fragment scFv76
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Molecular weightTheoretical: 510 KDa

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Supramolecule #2: SARS-CoV-2 Spike protein

SupramoleculeName: SARS-CoV-2 Spike protein / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Supramolecule #3: scFv76-77 single chain fragment

SupramoleculeName: scFv76-77 single chain fragment / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Spike glycoprotein,Fibritin

MacromoleculeName: Spike glycoprotein,Fibritin / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Enterobacteria phage T4 (virus)
Molecular weightTheoretical: 142.427438 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 KDGEWVLLST FLGRSLEVLF QGPGHHHHHH HHSAWSHPQF EKGGGSGGGG SGGSA WSHP QFEK

UniProtKB: Spike glycoprotein, Fibritin

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Macromolecule #2: Single Chain fragment scFv41N

MacromoleculeName: Single Chain fragment scFv41N / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 27.789662 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: RTMEEVQLLQ SAGGLVQPGG SLRLSCAASG LTVSANYMSW VRQAPGKGLE WVSVIYPGGS TFYADSVKGR FTISRGNSKN TLYLQMNSL SVEDTAVYYC ARDLSVAGAF DIWGQGTLVT VSSGGGGSGG GGSGGGGSEI VLTQSPGTLS LSAGETATLS C RASQSIST ...String:
RTMEEVQLLQ SAGGLVQPGG SLRLSCAASG LTVSANYMSW VRQAPGKGLE WVSVIYPGGS TFYADSVKGR FTISRGNSKN TLYLQMNSL SVEDTAVYYC ARDLSVAGAF DIWGQGTLVT VSSGGGGSGG GGSGGGGSEI VLTQSPGTLS LSAGETATLS C RASQSIST DYLAWYQQKP GQAPRLLIYG ASNRAAGIPD RFSGSASGTD FTLTISRLEA EDLAVYYCQQ YGSSPYTFGQ GT KVEIKRA AAGDYKDDDD KHHHHHH

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Macromolecule #3: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 3 / 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

Concentration0.6 mg/mL
BufferpH: 7 / Details: PBS
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Support film - Material: CARBON / Support film - topology: HOLEY / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 30 sec. / Pretreatment - Atmosphere: AIR
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Image recordingFilm or detector model: FEI FALCON III (4k x 4k) / Detector mode: COUNTING / Number grids imaged: 2 / Number real images: 6232 / Average electron dose: 40.0 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Illumination mode: OTHER / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.2 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 120000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1194826
Startup modelType of model: NONE
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 4.0 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 3.3.1) / Number images used: 44508
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 3.3.1)
Final 3D classificationNumber classes: 1 / Software - Name: cryoSPARC (ver. 3.3.1)

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Atomic model buiding 1

Initial modelPDB ID:

7zce


Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementProtocol: FLEXIBLE FIT
Output model

PDB-9fgs:
SARS-CoV-2 (wuhan variant) Spike protein in complex with the single chain fragment scFv41N (focused refinement)

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