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- EMDB-60553: Sarbecovirus BANAL-20-52 Spike Trimer in a Locked Conformation -

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Basic information

Entry
Database: EMDB / ID: EMD-60553
TitleSarbecovirus BANAL-20-52 Spike Trimer in a Locked Conformation
Map data
Sample
  • Organelle or cellular component: Bat coronavirus BANAL-20-52
    • Protein or peptide: Spike glycoprotein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: BILIVERDINE IX ALPHA
  • Ligand: LINOLEIC ACID
Keywordsspike protein / VIRAL PROTEIN
Biological speciesBANAL-20-52 (virus) / Sarbecovirus
Methodsingle particle reconstruction / cryo EM / Resolution: 2.9 Å
AuthorsWang J / Xiong X
Funding support2 items
OrganizationGrant numberCountry
Other government2022A1515110495
Other governmentSRPG22-002
CitationJournal: To Be Published
Title: A locked conformation of spike protein trimer of Sarbecovirus
Authors: Wang J / Xiong X
History
DepositionJun 16, 2024-
Header (metadata) releaseFeb 5, 2025-
Map releaseFeb 5, 2025-
UpdateFeb 26, 2025-
Current statusFeb 26, 2025Processing site: PDBc / Status: Released

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Structure visualization

Supplemental images

emd_60553.png

Downloads & links

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Map

FileDownload / File: emd_60553.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.17 Å/pix.
x 360 pix.
= 420.48 Å		1.17 Å/pix.
x 360 pix.
= 420.48 Å		1.17 Å/pix.
x 360 pix.
= 420.48 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.168 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.43
Minimum - Maximum-0.5658775 - 2.0195305
Average (Standard dev.)0.00093859446 (±0.051139064)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 420.47998 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_60553_half_map_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #1

Fileemd_60553_half_map_2.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : Bat coronavirus BANAL-20-52

EntireName: Bat coronavirus BANAL-20-52
Components
  • Organelle or cellular component: Bat coronavirus BANAL-20-52
    • Protein or peptide: Spike glycoprotein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: BILIVERDINE IX ALPHA
  • Ligand: LINOLEIC ACID

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Supramolecule #1: Bat coronavirus BANAL-20-52

SupramoleculeName: Bat coronavirus BANAL-20-52 / type: organelle_or_cellular_component / ID: 1 / Parent: 0 / Macromolecule list: #1 / Details: the spike trimer
Source (natural)Organism: BANAL-20-52 (virus)
Molecular weightTheoretical: 420 KDa

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Macromolecule #1: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 1 / Number of copies: 3 / Enantiomer: LEVO
Source (natural)Organism: Sarbecovirus
Molecular weightTheoretical: 125.744578 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SSTRGVYYPD KVFRSSVLHL TQDLFLPFFS NVTWFHAIHV SGTNGIKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHRNN KSWMESEFRV Y SSANNCTF ...String:
MFVFLVLLPL VSSQCVNLTT RTQLPPAYTN SSTRGVYYPD KVFRSSVLHL TQDLFLPFFS NVTWFHAIHV SGTNGIKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHRNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LREFVFKNID GYFKIYSKHT PINLVRDLPP GFSALEPLVD LPIGINITRF QT LLALHRS YLTPGDSSSG WTAGAAAYYV GYLQPRTFLL KYNENGTITD AVDCSLDPLS ETKCTLKSFT VEKGIYQTSN FRV QPTESI VRFPNITNLC PFGEVFNATT FASVYAWNRK RISNCVADYS VLYNSTSFST FKCYGVSPTK LNDLCFTNVY ADSF VVRGD EVRQIAPGQT GKIADYNYKL PDDFTGCVIA WNSNNLDSKV GGNYNYLYRL FRKSNLKPFE RDISTEIYQA GSTPC NGVE GFNCYFPLQS YGFHPTNGVG YQPYRVVVLS FELLNAPATV CGPKKSTNLI KNKCVNFNFN GLTGTGVLTE SNKKFL PFQ QFGRDIADTT DAVRDPQTLE ILDITPCSFG GVSVITPGTN ASNQVAVLYQ DVNCTEVPVA IHANQLTPTW RVYSTGS NV FQTRAGCLIG AEHVNNSYEC DIPIGAGICA SYQTQTNSRS VASQSIIAYT MSLGAENSVA YSNNSIAIPT NFTISVTT E ILPVSMTKTS VDCTMYICGD STECSNLLLQ YGSFCTQLNR ALTGIAVEQD KNTQEVFAQV KQIYKTPQIK DFGGFNFSQ ILPDPSKPSK RSFIEDLLFN KVTLADAGFI KQYGDCLGDI AARDLICAQK FNGLTVLPPL LTDEMIAQYT SALLAGTITS GWTFGAGAA LQIPFAMQMA YRFNGIGVTQ NVLYENQKLI ANQFNSAIGK IQDSLSSTAS ALGKLQDVVN QNAQALNTLV K QLSSNFGA ISSVLNDILS RLDKVEAEVQ IDRLITGRLQ SLQTYVTQQL IRAAEIRASA NLAATKMSEC VLGQSKRVDF CG KGYHLMS FPQSAPHGVV FLHVTYVPAQ EKNFTTAPAI CHDGKAHFPR EGVFVSNGTH WFVTQRNFYE PQIITTDNTF VSG NCDVVI GIVNNTVYDP

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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: 33 / Formula: NAG
Molecular weightTheoretical: 221.208 Da
Chemical component information

ChemComp-NAG:
2-acetamido-2-deoxy-beta-D-glucopyranose

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Macromolecule #4: BILIVERDINE IX ALPHA

MacromoleculeName: BILIVERDINE IX ALPHA / type: ligand / ID: 4 / Number of copies: 3 / Formula: BLA
Molecular weightTheoretical: 582.646 Da
Chemical component information

ChemComp-BLA:
BILIVERDINE IX ALPHA

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Macromolecule #5: LINOLEIC ACID

MacromoleculeName: LINOLEIC ACID / type: ligand / ID: 5 / Number of copies: 3 / Formula: EIC
Molecular weightTheoretical: 280.445 Da
Chemical component information

ChemComp-EIC:
LINOLEIC ACID

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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
Component:
ConcentrationFormulaName
137.0 mMNaClsodium chloride
2.7 mMKClpotassium chloride
10.0 mMNa2HPO4disodium hydrogen phosphate
1.8 mMKH2PO4potassium dihydrogen phosphate

Details: 137 mM NaCl, 2.7 mM KCl, 10 mM Na2HPO4, and 1.8 mM KH2PO4.
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.2 µm / Nominal defocus min: 0.8 µm

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Image processing

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

6zp2

Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.9 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 145804
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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