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- EMDB-22893: SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound -

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Basic information

Entry
Database: EMDB / ID: EMD-22893
TitleSARS-CoV-2 Spike Glycoprotein with three ACE2 Bound
Map data
Sample
  • Complex: SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound
    • Protein or peptide: Spike glycoprotein
    • Protein or peptide: Angiotensin-converting enzyme 2
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
KeywordsVIRAL PROTEIN / VIRAL PROTEIN-HYDROLASE complex
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 / positive regulation of gap junction assembly / regulation of systemic arterial blood pressure by renin-angiotensin / tryptophan transport / regulation of cardiac conduction / maternal process involved in female pregnancy ...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 / positive regulation of gap junction assembly / regulation of systemic arterial blood pressure by renin-angiotensin / tryptophan transport / regulation of cardiac conduction / maternal process involved in female pregnancy / regulation of vasoconstriction / peptidyl-dipeptidase activity / transporter activator activity / Metabolism of Angiotensinogen to Angiotensins / carboxypeptidase activity / angiotensin maturation / Attachment and Entry / receptor-mediated endocytosis of virus by host cell / metallocarboxypeptidase 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 / brush border membrane / negative regulation of ERK1 and ERK2 cascade / positive regulation of reactive oxygen species metabolic process / metallopeptidase activity / endocytic vesicle membrane / regulation of cell population proliferation / virus receptor activity / regulation of inflammatory response / endopeptidase activity / 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 / Potential therapeutics for SARS / 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 / cilium / symbiont-mediated suppression of host innate immune response / apical plasma membrane / membrane raft / receptor ligand activity / endocytosis involved in viral entry into host cell / endoplasmic reticulum lumen / 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 / cell surface / negative regulation of transcription by RNA polymerase II / extracellular space / extracellular exosome / extracellular region / zinc ion binding / identical protein binding / membrane / plasma membrane
Similarity search - Function
Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Peptidase family M2 domain profile. / 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 / Coronavirus spike glycoprotein S1, C-terminal ...Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A / Angiotensin-converting enzyme / Peptidase family M2 domain profile. / 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 / 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
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: 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)AI147884 01A1S1 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
CitationJournal: bioRxiv / Year: 2020
Title: A trimeric human angiotensin-converting enzyme 2 as an anti-SARS-CoV-2 agent in vitro.
Authors: Tianshu Xiao / Jianming Lu / Jun Zhang / Rebecca I Johnson / Lindsay G A McKay / Nadia Storm / Christy L Lavine / Hanqin Peng / Yongfei Cai / Sophia Rits-Volloch / Shen Lu / Brian D Quinlan ...Authors: Tianshu Xiao / Jianming Lu / Jun Zhang / Rebecca I Johnson / Lindsay G A McKay / Nadia Storm / Christy L Lavine / Hanqin Peng / Yongfei Cai / Sophia Rits-Volloch / Shen Lu / Brian D Quinlan / Michael Farzan / Michael S Seaman / Anthony Griffiths / Bing Chen
Abstract: Effective intervention strategies are urgently needed to control the COVID-19 pandemic. Human angiotensin-converting enzyme 2 (ACE2) is a carboxypeptidase that forms a dimer and serves as the ...Effective intervention strategies are urgently needed to control the COVID-19 pandemic. Human angiotensin-converting enzyme 2 (ACE2) is a carboxypeptidase that forms a dimer and serves as the cellular receptor for SARS-CoV-2. It is also a key negative regulator of the renin-angiotensin system (RAS), conserved in mammals, which modulates vascular functions. We report here the properties of a trimeric ACE2 variant, created by a structure-based approach, with binding affinity of ~60 pM for the spike (S) protein of SARS-CoV-2, while preserving the wildtype peptidase activity as well as the ability to block activation of angiotensin II receptor type 1 in the RAS. Moreover, the engineered ACE2 potently inhibits infection of SARS-CoV-2 in cell culture. These results suggest that engineered, trimeric ACE2 may be a promising anti-SARS-CoV-2 agent for treating COVID-19.
History
DepositionOct 25, 2020-
Header (metadata) releaseNov 11, 2020-
Map releaseNov 11, 2020-
UpdateOct 9, 2024-
Current statusOct 9, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.009
  • Imaged by UCSF Chimera
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  • Surface view colored by cylindrical radius
  • Surface level: 0.009
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-7kj4
  • Surface level: 0.009
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_22893.png

Downloads & links

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Map

FileDownload / File: emd_22893.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.83 Å/pix.
x 480 pix.
= 396. Å		0.83 Å/pix.
x 480 pix.
= 396. Å		0.83 Å/pix.
x 480 pix.
= 396. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.825 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.004 / Movie #1: 0.009
Minimum - Maximum-0.046989765 - 0.08396251
Average (Standard dev.)0.000026622167 (±0.0016581266)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 396.0 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.8250.8250.825
M x/y/z480480480
origin x/y/z0.0000.0000.000
length x/y/z396.000396.000396.000
α/β/γ90.00090.00090.000
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS480480480
D min/max/mean-0.0470.0840.000

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Supplemental data

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Sample components

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Entire : SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound

EntireName: SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound
Components
  • Complex: SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound
    • Protein or peptide: Spike glycoprotein
    • Protein or peptide: Angiotensin-converting enzyme 2
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose

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Supramolecule #1: SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound

SupramoleculeName: SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Details: SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 610 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: 136.559938 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: QCVNLTTRTQ LPPAYTNSFT RGVYYPDKVF RSSVLHSTQD LFLPFFSNVT WFHAIHVSGT NGTKRFDNPV LPFNDGVYFA STEKSNIIR GWIFGTTLDS KTQSLLIVNN ATNVVIKVCE FQFCNDPFLG VYYHKNNKSW MESEFRVYSS ANNCTFEYVS Q PFLMDLEG ...String:
QCVNLTTRTQ LPPAYTNSFT RGVYYPDKVF RSSVLHSTQD LFLPFFSNVT WFHAIHVSGT NGTKRFDNPV LPFNDGVYFA STEKSNIIR GWIFGTTLDS KTQSLLIVNN ATNVVIKVCE FQFCNDPFLG VYYHKNNKSW MESEFRVYSS ANNCTFEYVS Q PFLMDLEG KQGNFKNLRE FVFKNIDGYF KIYSKHTPIN LVRDLPQGFS ALEPLVDLPI GINITRFQTL LALHRSYLTP GD SSSGWTA GAAAYYVGYL QPRTFLLKYN ENGTITDAVD CALDPLSETK CTLKSFTVEK GIYQTSNFRV QPTESIVRFP NIT NLCPFG EVFNATRFAS VYAWNRKRIS NCVADYSVLY NSASFSTFKC YGVSPTKLND LCFTNVYADS FVIRGDEVRQ IAPG QTGKI ADYNYKLPDD FTGCVIAWNS NNLDSKVGGN YNYLYRLFRK SNLKPFERDI STEIYQAGST PCNGVEGFNC YFPLQ SYGF QPTNGVGYQP YRVVVLSFEL LHAPATVCGP KKSTNLVKNK CVNFNFNGLT GTGVLTESNK KFLPFQQFGR DIADTT DAV RDPQTLEILD ITPCSFGGVS VITPGTNTSN QVAVLYQDVN CTEVPVAIHA DQLTPTWRVY STGSNVFQTR AGCLIGA EH VNNSYECDIP IGAGICASYQ TQTNSPGGSG SVASQSIIAY TMSLGAENSV AYSNNSIAIP TNFTISVTTE ILPVSMTK T SVDCTMYICG DSTECSNLLL QYGSFCTQLN RALTGIAVEQ DKNTQEVFAQ VKQIYKTPPI KDFGGFNFSQ ILPDPSKPS KRSFIEDLLF NKVTLADAGF IKQYGDCLGD IAARDLICAQ KFNGLTVLPP LLTDEMIAQY TSALLAGTIT SGWTFGAGAA LQIPFAMQM AYRFNGIGVT QNVLYENQKL IANQFNSAIG KIQDSLSSTA SALGKLQDVV NQNAQALNTL VKQLSSNFGA I SSVLNDIL SRLDPPEAEV QIDRLITGRL QSLQTYVTQQ LIRAAEIRAS ANLAATKMSE CVLGQSKRVD FCGKGYHLMS FP QSAPHGV VFLHVTYVPA QEKNFTTAPA ICHDGKAHFP REGVFVSNGT HWFVTQRNFY EPQIITTDNT FVSGNCDVVI GIV NNTVYD PLQPELDSFK EELDKYFKNH TSPDVDLGDI SGINASVVNI QKEIDRLNEV AKNLNESLID LQELGKYEQG SGGY IPEAP RDGQAYVRKD GEWVLLSTFL GGSHHHHHH

UniProtKB: Spike glycoprotein

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Macromolecule #2: Angiotensin-converting enzyme 2

MacromoleculeName: Angiotensin-converting enzyme 2 / type: protein_or_peptide / ID: 2 / Number of copies: 3 / Enantiomer: LEVO / EC number: angiotensin-converting enzyme 2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 71.024711 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: LVAVTAAQST IEEQAKTFLD KFNHEAEDLF YQSSLASWNY NTNITEENVQ NMNNAGDKWS AFLKEQSTLA QMYPLQEIQN LTVKLQLQA LQQNGSSVLS EDKSKRLNTI LNTMSTIYST GKVCNPDNPQ ECLLLEPGLN EIMANSLDYN ERLWAWESWR S EVGKQLRP ...String:
LVAVTAAQST IEEQAKTFLD KFNHEAEDLF YQSSLASWNY NTNITEENVQ NMNNAGDKWS AFLKEQSTLA QMYPLQEIQN LTVKLQLQA LQQNGSSVLS EDKSKRLNTI LNTMSTIYST GKVCNPDNPQ ECLLLEPGLN EIMANSLDYN ERLWAWESWR S EVGKQLRP LYEEYVVLKN EMARANHYED YGDYWRGDYE VNGVDGYDYS RGQLIEDVEH TFEEIKPLYE HLHAYVRAKL MN AYPSYIS PIGCLPAHLL GDMWGRFWTN LYSLTVPFGQ KPNIDVTDAM VDQAWDAQRI FKEAEKFFVS VGLPNMTQGF WEN SMLTDP GNVQKAVCHP TAWDLGKGDF RILMCTKVTM DDFLTAHHEM GHIQYDMAYA AQPFLLRNGA NEGFHEAVGE IMSL SAATP KHLKSIGLLS PDFQEDNETE INFLLKQALT IVGTLPFTYM LEKWRWMVFK GEIPKDQWMK KWWEMKREIV GVVEP VPHD ETYCDPASLF HVSNDYSFIR YYTRTLYQFQ FQEALCQAAK HEGPLHKCDI SNSTEAGQKL FNMLRLGKSE PWTLAL ENV VGAKNMNVRP LLNYFEPLFT WLKDQNKNSF VGWSTDWSPY ADSGGSHHHH HH

UniProtKB: Angiotensin-converting enzyme 2

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Macromolecule #4: 2-acetamido-2-deoxy-beta-D-glucopyranose

MacromoleculeName: 2-acetamido-2-deoxy-beta-D-glucopyranose / type: ligand / ID: 4 / Number of copies: 42 / 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
0.3 mol/lNaClsodium chloride
0.02 mol/lTris-HClTris hydrochloride
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: 50.05 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: 407761
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

6vyb

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION / Number images used: 26298
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final 3D classificationSoftware - Name: RELION

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Atomic model buiding 1

Initial model
PDB IDChain

6vyb

chain_id: A, residue_range: 14-1211, source_name: PDB, initial_model_type: experimental model

6m17

chain_id: B, residue_range: 21-610, source_name: PDB, initial_model_type: experimental model
RefinementProtocol: AB INITIO MODEL
Output model

PDB-7kj4:
SARS-CoV-2 Spike Glycoprotein with three ACE2 Bound

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