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- EMDB-24988: One RBD-up 2 of pre-fusion SARS-CoV-2 Gamma variant spike protein -

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Basic information

Entry
Database: EMDB / ID: EMD-24988
TitleOne RBD-up 2 of pre-fusion SARS-CoV-2 Gamma variant spike protein
Map datamap with overall mask
Sample
  • Complex: One RBD-up 2 of pre-fusion SARS-CoV-2 Gamma variant spike protein
    • Protein or peptide: Spike glycoprotein
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsVIRAL PROTEIN
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 / entry receptor-mediated virion attachment to host cell ...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
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 ...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 / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / Betacoronavirus spike glycoprotein S1, receptor binding / 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
Biological speciesSevere acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 4.4 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-
UpdateOct 16, 2024-
Current statusOct 16, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.5
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by cylindrical radius
  • Surface level: 0.5
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7sbt
  • Surface level: 0.5
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_24988.png

Downloads & links

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Map

FileDownload / File: emd_24988.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: 0.5
Minimum - Maximum-0.0016413794 - 2.1750603
Average (Standard dev.)0.004405789 (±0.049033806)
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-0.0022.1750.004

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Supplemental data

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Sample components

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

EntireName: One RBD-up 2 of pre-fusion SARS-CoV-2 Gamma variant spike protein
Components
  • Complex: One RBD-up 2 of pre-fusion SARS-CoV-2 Gamma 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 2 of pre-fusion SARS-CoV-2 Gamma variant spike protein

SupramoleculeName: One RBD-up 2 of pre-fusion SARS-CoV-2 Gamma variant spike protein
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1
Details: One RBD-up 2 of pre-fusion SARS-CoV-2 Gamma 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: 144.979156 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNFTN RTQLPSAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNYP FLGVYYHKNN KSWMESEFRV Y SSANNCTF ...String:
MFVFLVLLPL VSSQCVNFTN RTQLPSAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFD NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNYP FLGVYYHKNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LSEFVFKNID 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 GTIADYNYKL PDDFTGCVIA WNSNNLDSKV GGNYNYLYRL FRKSNLKPFE RDISTEIYQA GSTPC NGVK GFNCYFPLQS YGFQPTYGVG YQPYRVVVLS FELLHAPATV CGPKKSTNLV KNKCVNFNFN GLTGTGVLTE SNKKFL PFQ QFGRDIADTT DAVRDPQTLE ILDITPCSFG GVSVITPGTN TSNQVAVLYQ GVNCTEVPVA IHADQLTPTW RVYSTGS NV FQTRAGCLIG AEYVNNSYEC DIPIGAGICA SYQTQTNSPR RARSVASQSI IAYTMSLGAE NSVAYSNNSI AIPTNFTI S VTTEILPVSM TKTSVDCTMY ICGDSTECSN LLLQYGSFCT QLNRALTGIA VEQDKNTQEV FAQVKQIYKT PPIKDFGGF NFSQILPDPS KPSKRSFIED LLFNKVTLAD AGFIKQYGDC LGDIAARDLI CAQKFNGLTV LPPLLTDEMI AQYTSALLAG TITSGWTFG AGAALQIPFA MQMAYRFNGI GVTQNVLYEN QKLIANQFNS AIGKIQDSLS STASALGKLQ DVVNQNAQAL N TLVKQLSS NFGAISSVLN DILSRLDKVE AEVQIDRLIT GRLQSLQTYV TQQLIRAAEI RASANLAAIK MSECVLGQSK RV DFCGKGY HLMSFPQSAP HGVVFLHVTY VPAQEKNFTT APAICHDGKA HFPREGVFVS NGTHWFVTQR NFYEPQIITT DNT FVSGNC DVVIGIVNNT VYDPLQPELD SFKEELDKYF KNHTSPDVDL GDISGINASF VNIQKEIDRL NEVAKNLNES LIDL QELGK YEQYIKWPWY IWLGFIAGLI AIVMVTIMLC CMTSCCSCLK GCCSCGSCCK FDEDDSEPVL KGVKLHYTLE SGGGS AWSH PQFEKGGGSG GGSGGSSAWS HPQFEK

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: 28 / 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: 54.72 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: 1652420
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7krr

Final reconstructionResolution.type: BY AUTHOR / Resolution: 4.4 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 36346
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-7sbt:
One RBD-up 2 of pre-fusion SARS-CoV-2 Gamma variant spike protein

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