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- EMDB-30816: Cryo-EM structure of SARS-CoV2 RBD-ACE2 complex -

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Basic information

Entry
Database: EMDB / ID: EMD-30816
TitleCryo-EM structure of SARS-CoV2 RBD-ACE2 complex
Map data
Sample
  • Complex: Cryo-EM structure of SARS-CoV2 RBD-ACE2 complex
    • Complex: ACE2
      • Protein or peptide: Angiotensin-converting enzyme 2
    • Complex: SARS-CoV2 RBD
      • Protein or peptide: Spike glycoprotein
  • Ligand: ZINC ION
  • Ligand: CHLORIDE ION
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: water
KeywordsSARS-CoV2 / Spike protein / ACE2 / VIRAL PROTEIN
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 / angiotensin-mediated drinking behavior / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / regulation of systemic arterial blood pressure by renin-angiotensin / positive regulation of gap junction assembly / tryptophan transport / regulation of cardiac conduction / regulation of vasoconstriction ...positive regulation of amino acid transport / angiotensin-converting enzyme 2 / positive regulation of L-proline import across plasma membrane / angiotensin-mediated drinking behavior / Hydrolases; Acting on peptide bonds (peptidases); Metallocarboxypeptidases / regulation of systemic arterial blood pressure by renin-angiotensin / positive regulation of gap junction assembly / tryptophan transport / regulation of cardiac conduction / regulation of vasoconstriction / peptidyl-dipeptidase activity / maternal process involved in female pregnancy / 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 transmembrane transporter activity / regulation of cytokine production / blood vessel diameter maintenance / brush border membrane / negative regulation of smooth muscle cell proliferation / 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 / Maturation of spike protein / viral translation / Translation of Structural Proteins / Virion Assembly and Release / host cell surface / host extracellular space / 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 / receptor ligand activity / membrane raft / endocytosis involved in viral entry into host cell / endoplasmic reticulum lumen / symbiont entry into host cell / 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 / cell surface / 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, 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 / 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 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
Spike glycoprotein / Angiotensin-converting enzyme 2
Similarity search - Component
Biological speciesHomo sapiens (human) / Severe acute respiratory syndrome coronavirus 2
Methodsingle particle reconstruction / cryo EM / Resolution: 2.8 Å
AuthorsWang J / Lan J
CitationJournal: Biophys Rep / Year: 2022
Title: Reduced graphene oxide membrane as supporting film for high-resolution cryo-EM
Authors: Liu N / Zheng LM / Xu J / Wang J / Hu CX / Lan J / Zhang X / Zhang JC / Xu K / Cheng H / Yang Z / Gao X / Wang XQ / Peng HL / Chen YN / Wang HW
History
DepositionDec 22, 2020-
Header (metadata) releaseDec 29, 2021-
Map releaseDec 29, 2021-
UpdateJul 2, 2025-
Current statusJul 2, 2025Processing site: PDBj / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.0336
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by height
  • Surface level: 0.0336
  • Imaged by UCSF Chimera
  • Download
  • Surface view with fitted model
  • Atomic models: PDB-7dqa
  • Surface level: 0.0336
  • Imaged by UCSF Chimera
  • Download
Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_30816.png

Downloads & links

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Map

FileDownload / File: emd_30816.map.gz / Format: CCP4 / Size: 15.6 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
0.99 Å/pix.
x 160 pix.
= 159. Å		0.99 Å/pix.
x 160 pix.
= 159. Å		0.99 Å/pix.
x 160 pix.
= 159. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.99375 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.0336 / Movie #1: 0.0336
Minimum - Maximum-0.18916625 - 0.26729673
Average (Standard dev.)0.00034712843 (±0.008296324)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions160160160
Spacing160160160
CellA=B=C: 159.0 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z0.993750.993750.99375
M x/y/z160160160
origin x/y/z0.0000.0000.000
length x/y/z159.000159.000159.000
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ320320320
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS160160160
D min/max/mean-0.1890.2670.000

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Supplemental data

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Sample components

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Entire : Cryo-EM structure of SARS-CoV2 RBD-ACE2 complex

EntireName: Cryo-EM structure of SARS-CoV2 RBD-ACE2 complex
Components
  • Complex: Cryo-EM structure of SARS-CoV2 RBD-ACE2 complex
    • Complex: ACE2
      • Protein or peptide: Angiotensin-converting enzyme 2
    • Complex: SARS-CoV2 RBD
      • Protein or peptide: Spike glycoprotein
  • Ligand: ZINC ION
  • Ligand: CHLORIDE ION
  • Ligand: 2-acetamido-2-deoxy-beta-D-glucopyranose
  • Ligand: water

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Supramolecule #1: Cryo-EM structure of SARS-CoV2 RBD-ACE2 complex

SupramoleculeName: Cryo-EM structure of SARS-CoV2 RBD-ACE2 complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 95 KDa

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Supramolecule #2: ACE2

SupramoleculeName: ACE2 / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2

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Supramolecule #3: SARS-CoV2 RBD

SupramoleculeName: SARS-CoV2 RBD / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2

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Macromolecule #1: Angiotensin-converting enzyme 2

MacromoleculeName: Angiotensin-converting enzyme 2 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: angiotensin-converting enzyme 2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 92.556695 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MSSSSWLLLS LVAVTAAQST IEEQAKTFLD KFNHEAEDLF YQSSLASWNY NTNITEENVQ NMNNAGDKWS AFLKEQSTLA QMYPLQEIQ NLTVKLQLQA LQQNGSSVLS EDKSKRLNTI LNTMSTIYST GKVCNPDNPQ ECLLLEPGLN EIMANSLDYN E RLWAWESW ...String:
MSSSSWLLLS LVAVTAAQST IEEQAKTFLD KFNHEAEDLF YQSSLASWNY NTNITEENVQ NMNNAGDKWS AFLKEQSTLA QMYPLQEIQ NLTVKLQLQA LQQNGSSVLS EDKSKRLNTI LNTMSTIYST GKVCNPDNPQ ECLLLEPGLN EIMANSLDYN E RLWAWESW RSEVGKQLRP LYEEYVVLKN EMARANHYED YGDYWRGDYE VNGVDGYDYS RGQLIEDVEH TFEEIKPLYE HL HAYVRAK LMNAYPSYIS PIGCLPAHLL GDMWGRFWTN LYSLTVPFGQ KPNIDVTDAM VDQAWDAQRI FKEAEKFFVS VGL PNMTQG FWENSMLTDP GNVQKAVCHP TAWDLGKGDF RILMCTKVTM DDFLTAHHEM GHIQYDMAYA AQPFLLRNGA NEGF HEAVG EIMSLSAATP KHLKSIGLLS PDFQEDNETE INFLLKQALT IVGTLPFTYM LEKWRWMVFK GEIPKDQWMK KWWEM KREI VGVVEPVPHD ETYCDPASLF HVSNDYSFIR YYTRTLYQFQ FQEALCQAAK HEGPLHKCDI SNSTEAGQKL FNMLRL GKS EPWTLALENV VGAKNMNVRP LLNYFEPLFT WLKDQNKNSF VGWSTDWSPY ADQSIKVRIS LKSALGDKAY EWNDNEM YL FRSSVAYAMR QYFLKVKNQM ILFGEEDVRV ANLKPRISFN FFVTAPKNVS DIIPRTEVEK AIRMSRSRIN DAFRLNDN S LEFLGIQPTL GPPNQPPVSI WLIVFGVVMG VIVVGIVILI FTGIRDRKKK NKARSGENPY ASIDISKGEN NPGFQNTDD VQTSF

UniProtKB: Angiotensin-converting enzyme 2

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Macromolecule #2: Spike glycoprotein

MacromoleculeName: Spike glycoprotein / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Severe acute respiratory syndrome coronavirus 2
Molecular weightTheoretical: 21.848441 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: TNLCPFGEVF NATRFASVYA WNRKRISNCV ADYSVLYNSA SFSTFKCYGV SPTKLNDLCF TNVYADSFVI RGDEVRQIAP GQTGKIADY NYKLPDDFTG CVIAWNSNNL DSKVEGNYNY LYRLFRKSNL KPFERDISTE IYQAGSTPCN GVEGFNCYFP L QSYGFQPT ...String:
TNLCPFGEVF NATRFASVYA WNRKRISNCV ADYSVLYNSA SFSTFKCYGV SPTKLNDLCF TNVYADSFVI RGDEVRQIAP GQTGKIADY NYKLPDDFTG CVIAWNSNNL DSKVEGNYNY LYRLFRKSNL KPFERDISTE IYQAGSTPCN GVEGFNCYFP L QSYGFQPT NGVGYQPYRV VVLSFELLHA PATVCG

UniProtKB: Spike glycoprotein

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Macromolecule #3: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 3 / Number of copies: 1 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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Macromolecule #4: CHLORIDE ION

MacromoleculeName: CHLORIDE ION / type: ligand / ID: 4 / Number of copies: 1 / Formula: CL
Molecular weightTheoretical: 35.453 Da

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

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

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Macromolecule #6: water

MacromoleculeName: water / type: ligand / ID: 6 / Number of copies: 80 / Formula: HOH
Molecular weightTheoretical: 18.015 Da
Chemical component information

ChemComp-HOH:
WATER

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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
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: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

CTF correctionType: NONE
Startup modelType of model: NONE
Final reconstructionResolution.type: BY AUTHOR / Resolution: 2.8 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 110122
Initial angle assignmentType: PROJECTION MATCHING
Final angle assignmentType: ANGULAR RECONSTITUTION

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