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- EMDB-24982: One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein -

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Basic information

Entry
Database: EMDB / ID: EMD-24982
TitleOne RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein
Map datamap with overall mask
Sample
  • Complex: One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein
    • Protein or peptide: Spike glycoprotein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsVIRAL PROTEIN
Function / homology
Function and homology information


symbiont-mediated disruption of host tissue / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / viral translation / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion ...symbiont-mediated disruption of host tissue / Maturation of spike protein / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / viral translation / symbiont-mediated-mediated suppression of host tetherin activity / Induction of Cell-Cell Fusion / structural constituent of virion / entry receptor-mediated virion attachment to host cell / membrane fusion / Attachment and Entry / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of viral entry into host cell / receptor-mediated virion attachment to host cell / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / receptor ligand activity / endocytosis involved in viral entry into host cell / fusion of virus membrane with host plasma membrane / fusion of virus membrane with host endosome membrane / viral envelope / symbiont entry into host cell / 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 / Coronavirus spike glycoprotein S1, C-terminal / Coronavirus spike glycoprotein S1, C-terminal / Spike glycoprotein, N-terminal domain superfamily / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Spike glycoprotein, betacoronavirus / 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 (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, N-terminal domain superfamily / Spike S1 subunit, receptor binding domain superfamily, betacoronavirus / Spike glycoprotein, betacoronavirus / 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 / Betacoronavirus spike glycoprotein S1, receptor binding / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Spike glycoprotein S2 superfamily, coronavirus / 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, coronavirus / Coronavirus spike glycoprotein S2
Similarity search - Domain/homology
Biological speciesSevere acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsZhang J / Xiao TS
Funding support United States, 4 items
OrganizationGrant numberCountry
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)AI147884 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)AI141002 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)AI127193 United States
National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)AI39538 United States
CitationJournal: Science / Year: 2021
Title: Membrane fusion and immune evasion by the spike protein of SARS-CoV-2 Delta variant.
Authors: Jun Zhang / Tianshu Xiao / Yongfei Cai / Christy L Lavine / Hanqin Peng / Haisun Zhu / Krishna Anand / Pei Tong / Avneesh Gautam / Megan L Mayer / Richard M Walsh / Sophia Rits-Volloch / ...Authors: Jun Zhang / Tianshu Xiao / Yongfei Cai / Christy L Lavine / Hanqin Peng / Haisun Zhu / Krishna Anand / Pei Tong / Avneesh Gautam / Megan L Mayer / Richard M Walsh / Sophia Rits-Volloch / Duane R Wesemann / Wei Yang / Michael S Seaman / Jianming Lu / Bing Chen /
Abstract: The Delta variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has outcompeted previously prevalent variants and become a dominant strain worldwide. We report the structure, ...The Delta variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has outcompeted previously prevalent variants and become a dominant strain worldwide. We report the structure, function, and antigenicity of its full-length spike (S) trimer as well as those of the Gamma and Kappa variants, and compare their characteristics with the G614, Alpha, and Beta variants. Delta S can fuse membranes more efficiently at low levels of cellular receptor angiotensin converting enzyme 2 (ACE2), and its pseudotyped viruses infect target cells substantially faster than the other five variants, possibly accounting for its heightened transmissibility. Each variant shows different rearrangement of the antigenic surface of the amino-terminal domain of the S protein but only makes produces changes in the receptor binding domain (RBD), making the RBD a better target for therapeutic antibodies.
History
DepositionSep 25, 2021-
Header (metadata) releaseNov 10, 2021-
Map releaseNov 10, 2021-
UpdateNov 13, 2024-
Current statusNov 13, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.4
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by cylindrical radius
  • Surface level: 0.4
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7sbl
  • Surface level: 0.4
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_24982.png

Downloads & links

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Map

FileDownload / File: emd_24982.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotationmap with overall mask
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 480 pix.
= 396.032 Å		0.83 Å/pix.
x 480 pix.
= 396.032 Å		0.83 Å/pix.
x 480 pix.
= 396.032 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.82507 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.1 / Movie #1: 0.4
Minimum - Maximum-0.0008933825 - 2.3387713
Average (Standard dev.)0.0030680676 (±0.043622185)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 396.03217 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.825066666666670.825066666666670.82506666666667
M x/y/z480480480
origin x/y/z0.0000.0000.000
length x/y/z396.032396.032396.032
α/β/γ90.00090.00090.000
start NX/NY/NZ-300-300-300
NX/NY/NZ600600600
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS480480480
D min/max/mean-0.0012.3390.003

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Supplemental data

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Additional map: map with top region mask

Fileemd_24982_additional_1.map
Annotationmap with top region mask
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Sample components

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Entire : One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein

EntireName: One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein
Components
  • Complex: One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein
    • Protein or peptide: Spike glycoprotein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein

SupramoleculeName: One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Details: One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 440 kDa/nm

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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: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 144.726938 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNLRT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLDVYYHKNN KSWMESGVYS S ANNCTFEY ...String:
MFVFLVLLPL VSSQCVNLRT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLDVYYHKNN KSWMESGVYS S ANNCTFEY VSQPFLMDLE GKQGNFKNLR EFVFKNIDGY FKIYSKHTPI NLVRDLPQGF SALEPLVDLP IGINITRFQT LL ALHRSYL TPGDSSSGWT AGAAAYYVGY LQPRTFLLKY NENGTITDAV DCALDPLSET KCTLKSFTVE KGIYQTSNFR VQP TESIVR FPNITNLCPF GEVFNATRFA SVYAWNRKRI SNCVADYSVL YNSASFSTFK CYGVSPTKLN DLCFTNVYAD SFVI RGDEV RQIAPGQTGK IADYNYKLPD DFTGCVIAWN SNNLDSKVGG NYNYRYRLFR KSNLKPFERD ISTEIYQAGS KPCNG VEGF NCYFPLQSYG FQPTNGVGYQ PYRVVVLSFE LLHAPATVCG PKKSTNLVKN KCVNFNFNGL TGTGVLTESN KKFLPF QQF GRDIADTTDA VRDPQTLEIL DITPCSFGGV SVITPGTNTS NQVAVLYQGV NCTEVPVAIH ADQLTPTWRV YSTGSNV FQ TRAGCLIGAE HVNNSYECDI PIGAGICASY QTQTNSRRRA RSVASQSIIA YTMSLGAENS VAYSNNSIAI PTNFTISV T TEILPVSMTK TSVDCTMYIC GDSTECSNLL LQYGSFCTQL NRALTGIAVE QDKNTQEVFA QVKQIYKTPP IKDFGGFNF SQILPDPSKP SKRSFIEDLL FNKVTLADAG FIKQYGDCLG DIAARDLICA QKFNGLTVLP PLLTDEMIAQ YTSALLAGTI TSGWTFGAG AALQIPFAMQ MAYRFNGIGV TQNVLYENQK LIANQFNSAI GKIQDSLSST ASALGKLQNV VNQNAQALNT L VKQLSSNF GAISSVLNDI LSRLDKVEAE VQIDRLITGR LQSLQTYVTQ QLIRAAEIRA SANLAATKMS ECVLGQSKRV DF CGKGYHL MSFPQSAPHG VVFLHVTYVP AQEKNFTTAP AICHDGKAHF PREGVFVSNG THWFVTQRNF YEPQIITTDN TFV SGNCDV VIGIVNNTVY DPLQPELDSF KEELDKYFKN HTSPDVDLGD ISGINASVVN IQKEIDRLNE VAKNLNESLI DLQE LGKYE QYIKWPWYIW LGFIAGLIAI VMVTIMLCCM TSCCSCLKGC CSCGSCCKFD EDDSEPVLKG VKLHYTLESG GGSAW SHPQ FEKGGGSGGG SGGSSAWSHP QFEK

UniProtKB: Spike glycoprotein

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Macromolecule #5: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 5 / Number of copies: 25 / 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

Concentration1 mg/mL
BufferpH: 7.5
Component:
ConcentrationFormulaName
0.15 mol/LNaClsodium chloride
0.025 mol/LTris-HClTris hydrochloride
0.02 %DDMn-dodecyl-D-maltopyranoside
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 277.15 K / Instrument: FEI VITROBOT MARK IV

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Average electron dose: 51.48 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1830328
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7krr

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 191067
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final 3D classificationSoftware - Name: RELION

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Atomic model buiding 1

Initial modelPDB ID:

7krr


Chain - Chain ID: A / Chain - Residue range: 14-1211 / Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementProtocol: AB INITIO MODEL
Output model

PDB-7sbl:
One RBD-up 1 of pre-fusion SARS-CoV-2 Delta variant spike protein

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