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- EMDB-32176: SARS-CoV-2 spike protein in complex with ACE2, Beta variant, C1 state -

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Basic information

Entry
Database: EMDB / ID: EMD-32176
TitleSARS-CoV-2 spike protein in complex with ACE2, Beta variant, C1 stateCoronavirus spike protein
Map data
Sample
  • Complex: SARS-CoV-2 spike protein in complex with ACE2, Beta VariantCoronavirus spike protein
    • Complex: SARS-CoV-2 spike proteinCoronavirus spike protein
      • Protein or peptide: Spike glycoproteinSpike protein
    • Complex: ACE2Angiotensin-converting enzyme 2
      • Protein or peptide: Angiotensin-converting enzyme 2
Function / homology
Function and homology information


positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / angiotensin-mediated drinking behavior / tryptophan transport / positive regulation of gap junction assembly / regulation of systemic arterial blood pressure by renin-angiotensin / regulation of vasoconstriction / regulation of cardiac conduction ...positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / angiotensin-mediated drinking behavior / tryptophan transport / positive regulation of gap junction assembly / regulation of systemic arterial blood pressure by renin-angiotensin / regulation of vasoconstriction / regulation of cardiac conduction / peptidyl-dipeptidase activity / maternal process involved in female pregnancy / angiotensin maturation / Metabolism of Angiotensinogen to Angiotensins / metallocarboxypeptidase activity / Attachment and Entry / negative regulation of signaling receptor activity / carboxypeptidase activity / viral life cycle / positive regulation of cardiac muscle contraction / regulation of cytokine production / blood vessel diameter maintenance / negative regulation of smooth muscle cell proliferation / regulation of transmembrane transporter activity / brush border membrane / cilium / negative regulation of ERK1 and ERK2 cascade / endocytic vesicle membrane / metallopeptidase activity / positive regulation of reactive oxygen species metabolic process / virus receptor activity / regulation of cell population proliferation / regulation of inflammatory response / Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / endopeptidase activity / suppression by virus of host tetherin activity / Induction of Cell-Cell Fusion / Potential therapeutics for SARS / 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 / symbiont entry into host cell / apical plasma membrane / membrane raft / fusion of virus membrane with host plasma membrane / endoplasmic reticulum lumen / fusion of virus membrane with host endosome membrane / viral envelope / symbiont-mediated suppression of host type I interferon-mediated signaling pathway / virion attachment to host cell / SARS-CoV-2 activates/modulates innate and adaptive immune responses / host cell plasma membrane / virion membrane / cell surface / extracellular space / extracellular exosome / zinc ion binding / extracellular region / membrane / identical protein binding / plasma membrane
Similarity search - Function
Collectrin-like domain profile. / Collectrin domain / Renal amino acid transporter / Peptidase family M2 domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Neutral zinc metallopeptidases, zinc-binding region signature. / 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. ...Collectrin-like domain profile. / Collectrin domain / Renal amino acid transporter / Peptidase family M2 domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Neutral zinc metallopeptidases, zinc-binding region signature. / 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
Spike glycoprotein / Angiotensin-converting enzyme 2
Similarity search - Component
Biological speciesSevere acute respiratory syndrome coronavirus 2 / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 4.0 Å
AuthorsXu C / Cong Y
Funding support China, 1 items
OrganizationGrant numberCountry
Chinese Academy of Sciences China
CitationJournal: Nat Commun / Year: 2021
Title: Conformational dynamics of the Beta and Kappa SARS-CoV-2 spike proteins and their complexes with ACE2 receptor revealed by cryo-EM.
Authors: Yifan Wang / Cong Xu / Yanxing Wang / Qin Hong / Chao Zhang / Zuyang Li / Shiqi Xu / Qinyu Zuo / Caixuan Liu / Zhong Huang / Yao Cong /
Abstract: The emergence of SARS-CoV-2 Kappa and Beta variants with enhanced transmissibility and resistance to neutralizing antibodies has created new challenges for the control of the ongoing COVID-19 ...The emergence of SARS-CoV-2 Kappa and Beta variants with enhanced transmissibility and resistance to neutralizing antibodies has created new challenges for the control of the ongoing COVID-19 pandemic. Understanding the structural nature of Kappa and Beta spike (S) proteins and their association with ACE2 is of significant importance. Here we present two cryo-EM structures for each of the Kappa and Beta spikes in the open and open-prone transition states. Compared with wild-type (WT) or G614 spikes, the two variant spikes appear more untwisted/open especially for Beta, and display a considerable population shift towards the open state as well as more pronounced conformational dynamics. Moreover, we capture four conformational states of the S-trimer/ACE2 complex for each of the two variants, revealing an enlarged conformational landscape for the Kappa and Beta S-ACE2 complexes and pronounced population shift towards the three RBDs up conformation. These results implicate that the mutations in Kappa and Beta may modify the kinetics of receptor binding and viral fusion to improve virus fitness. Combined with biochemical analysis, our structural study shows that the two variants are enabled to efficiently interact with ACE2 receptor despite their sensitive ACE2 binding surface is modified to escape recognition by some potent neutralizing MAbs. Our findings shed new light on the pathogenicity and immune evasion mechanism of the Beta and Kappa variants.
History
DepositionNov 12, 2021-
Header (metadata) releaseDec 1, 2021-
Map releaseDec 1, 2021-
UpdateFeb 16, 2022-
Current statusFeb 16, 2022Processing site: PDBj / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.8
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.8
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7vxd
  • Surface level: 0.8
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

Downloads & links

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Map

FileDownload / File: emd_32176.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Voxel sizeX=Y=Z: 1.093 Å
Density
Contour LevelBy AUTHOR: 0.703 / Movie #1: 0.8
Minimum - Maximum-1.5142765 - 3.0064306
Average (Standard dev.)0.0048002084 (±0.112914)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 393.48 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.0931.0931.093
M x/y/z360360360
origin x/y/z0.0000.0000.000
length x/y/z393.480393.480393.480
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ400400400
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS360360360
D min/max/mean-1.5143.0060.005

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Supplemental data

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Sample components

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Entire : SARS-CoV-2 spike protein in complex with ACE2, Beta Variant

EntireName: SARS-CoV-2 spike protein in complex with ACE2, Beta VariantCoronavirus spike protein
Components
  • Complex: SARS-CoV-2 spike protein in complex with ACE2, Beta VariantCoronavirus spike protein
    • Complex: SARS-CoV-2 spike proteinCoronavirus spike protein
      • Protein or peptide: Spike glycoproteinSpike protein
    • Complex: ACE2Angiotensin-converting enzyme 2
      • Protein or peptide: Angiotensin-converting enzyme 2

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Supramolecule #1: SARS-CoV-2 spike protein in complex with ACE2, Beta Variant

SupramoleculeName: SARS-CoV-2 spike protein in complex with ACE2, Beta Variant
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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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: Homo sapiens (human)
Recombinant expressionOrganism: Homo sapiens (human)

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Supramolecule #3: ACE2

SupramoleculeName: ACE2 / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2

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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: 139.650516 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFVFLVLLPL VSSQCVNFTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFA NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF ...String:
MFVFLVLLPL VSSQCVNFTT RTQLPPAYTN SFTRGVYYPD KVFRSSVLHS TQDLFLPFFS NVTWFHAIHV SGTNGTKRFA NPVLPFNDG VYFASTEKSN IIRGWIFGTT LDSKTQSLLI VNNATNVVIK VCEFQFCNDP FLGVYYHKNN KSWMESEFRV Y SSANNCTF EYVSQPFLMD LEGKQGNFKN LREFVFKNID GYFKIYSKHT PINLVRGLPQ GFSALEPLVD LPIGINITRF QT LHISYLT PGDSSSGWTA GAAAYYVGYL QPRTFLLKYN ENGTITDAVD CALDPLSETK CTLKSFTVEK GIYQTSNFRV QPT ESIVRF PNITNLCPFG EVFNATRFAS VYAWNRKRIS NCVADYSVLY NSASFSTFKC YGVSPTKLND LCFTNVYADS FVIR GDEVR QIAPGQTGNI ADYNYKLPDD FTGCVIAWNS NNLDSKVGGN YNYLYRLFRK SNLKPFERDI STEIYQAGST PCNGV KGFN CYFPLQSYGF QPTYGVGYQP YRVVVLSFEL LHAPATVCGP KKSTNLVKNK CVNFNFNGLT GTGVLTESNK KFLPFQ QFG RDIADTTDAV RDPQTLEILD ITPCSFGGVS VITPGTNTSN QVAVLYQGVN CTEVPVAIHA DQLTPTWRVY STGSNVF QT RAGCLIGAEH VNNSYECDIP IGAGICASYQ TQTNSPGSAS SVASQSIIAY TMSLGVENSV AYSNNSIAIP TNFTISVT T EILPVSMTKT SVDCTMYICG DSTECSNLLL QYGSFCTQLN RALTGIAVEQ DKNTQEVFAQ VKQIYKTPPI KDFGGFNFS QILPDPSKPS KRSFIEDLLF NKVTLADAGF IKQYGDCLGD IAARDLICAQ KFNGLTVLPP LLTDEMIAQY TSALLAGTIT SGWTFGAGA ALQIPFAMQM AYRFNGIGVT QNVLYENQKL IANQFNSAIG KIQDSLSSTA SALGKLQDVV NQNAQALNTL V KQLSSNFG AISSVLNDIL SRLDPPEAEV QIDRLITGRL QSLQTYVTQQ LIRAAEIRAS ANLAATKMSE CVLGQSKRVD FC GKGYHLM SFPQSAPHGV VFLHVTYVPA QEKNFTTAPA ICHDGKAHFP REGVFVSNGT HWFVTQRNFY EPQIITTDNT FVS GNCDVV IGIVNNTVYD PLQPELDSFK EELDKYFKNH TSPDVDLGDI SGINASVVNI QKEIDRLNEV AKNLNESLID LQEL GKYEQ GSGYIPEAPR DGQAYVRKDG EWVLLSTFLE NLYFQGDYKD DDDKHHHHHH HHH

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Macromolecule #2: Angiotensin-converting enzyme 2

MacromoleculeName: Angiotensin-converting enzyme 2 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO / EC number: angiotensin-converting enzyme 2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 72.396492 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MHSSALLCCL VLLTGVRAQS TIEEQAKTFL DKFNHEAEDL FYQSSLASWN YNTNITEENV QNMNNAGDKW SAFLKEQSTL AQMYPLQEI QNLTVKLQLQ ALQQNGSSVL SEDKSKRLNT ILNTMSTIYS TGKVCNPDNP QECLLLEPGL NEIMANSLDY N ERLWAWES ...String:
MHSSALLCCL VLLTGVRAQS TIEEQAKTFL DKFNHEAEDL FYQSSLASWN YNTNITEENV QNMNNAGDKW SAFLKEQSTL AQMYPLQEI QNLTVKLQLQ ALQQNGSSVL SEDKSKRLNT ILNTMSTIYS TGKVCNPDNP QECLLLEPGL NEIMANSLDY N ERLWAWES WRSEVGKQLR PLYEEYVVLK NEMARANHYE DYGDYWRGDY EVNGVDGYDY SRGQLIEDVE HTFEEIKPLY EH LHAYVRA KLMNAYPSYI SPIGCLPAHL LGDMWGRFWT NLYSLTVPFG QKPNIDVTDA MVDQAWDAQR IFKEAEKFFV SVG LPNMTQ GFWENSMLTD PGNVQKAVCH PTAWDLGKGD FRILMCTKVT MDDFLTAHHE MGHIQYDMAY AAQPFLLRNG ANEG FHEAV GEIMSLSAAT PKHLKSIGLL SPDFQEDNET EINFLLKQAL TIVGTLPFTY MLEKWRWMVF KGEIPKDQWM KKWWE MKRE IVGVVEPVPH DETYCDPASL FHVSNDYSFI RYYTRTLYQF QFQEALCQAA KHEGPLHKCD ISNSTEAGQK LFNMLR LGK SEPWTLALEN VVGAKNMNVR PLLNYFEPLF TWLKDQNKNS FVGWSTDWSP YADHHHHHHH HH

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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: 7.5
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELDBright-field microscopy
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Average electron dose: 50.0 e/Å2
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final reconstructionResolution.type: BY AUTHOR / Resolution: 4.0 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 9689

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