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- EMDB-31252: cryo EM map of Erastin-bound xCT-4F2hc complex, focused refined o... -

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Basic information

Entry
Database: EMDB / ID: EMD-31252
Titlecryo EM map of Erastin-bound xCT-4F2hc complex, focused refined on transmembrane region
Map data
Sample
  • Complex: cryo EM map of Erastin-bound xCT-4F2hc complex, focused refined on transmembrane region
Function / homology
Function and homology information


alanine:sodium symporter activity / Defective transport of neurotransmitters by SLC6A19 causes Hartnup disorder (HND) / Defective transport of amino acids by SLC6A19 causes Hartnup disorder (HND) / glycine:sodium symporter activity / neutral amino acid transport / neutral L-amino acid transmembrane transporter activity / SLC-mediated transport of neurotransmitters / Amino acid transport across the plasma membrane / amino acid transmembrane transporter activity / positive regulation of amino acid transport ...alanine:sodium symporter activity / Defective transport of neurotransmitters by SLC6A19 causes Hartnup disorder (HND) / Defective transport of amino acids by SLC6A19 causes Hartnup disorder (HND) / glycine:sodium symporter activity / neutral amino acid transport / neutral L-amino acid transmembrane transporter activity / SLC-mediated transport of neurotransmitters / Amino acid transport across the plasma membrane / amino acid transmembrane transporter activity / 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 / neurotransmitter transport / angiotensin-mediated drinking behavior / amino acid transport / positive regulation of gap junction assembly / tryptophan transport / regulation of systemic arterial blood pressure by renin-angiotensin / maternal process involved in female pregnancy / regulation of cardiac conduction / carboxypeptidase activity / transporter activator activity / peptidyl-dipeptidase activity / amino acid import across plasma membrane / regulation of vasoconstriction / Metabolism of Angiotensinogen to Angiotensins / transmembrane transporter complex / receptor-mediated endocytosis of virus by host cell / angiotensin maturation / viral life cycle / Attachment and Entry / metallocarboxypeptidase activity / positive regulation of cardiac muscle contraction / response to nutrient / regulation of cytokine production / blood vessel diameter maintenance / negative regulation of smooth muscle cell proliferation / brush border membrane / sodium ion transmembrane transport / negative regulation of ERK1 and ERK2 cascade / virus receptor activity / positive regulation of reactive oxygen species metabolic process / metallopeptidase activity / endocytic vesicle membrane / cilium / regulation of cell population proliferation / regulation of inflammatory response / symbiont-mediated disruption of host tissue / Maturation of spike protein / endopeptidase activity / host cell surface / Translation of Structural Proteins / Virion Assembly and Release / Lectin pathway of complement activation / host extracellular region / symbiont-mediated-mediated suppression of host tetherin activity / structural constituent of virion / Induction of Cell-Cell Fusion / Potential therapeutics for SARS / positive regulation of viral entry into host cell / Initial triggering of complement / membrane fusion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / Attachment and Entry / entry receptor-mediated virion attachment to host cell / receptor-mediated virion attachment to host cell / host cell surface receptor binding / symbiont-mediated suppression of host innate immune response / apical plasma membrane / endocytosis involved in viral entry into host cell / membrane raft / receptor ligand activity / 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 / host cell plasma membrane / SARS-CoV-2 activates/modulates innate and adaptive immune responses / virion membrane / negative regulation of transcription by RNA polymerase II / cell surface / extracellular exosome / zinc ion binding / extracellular region / membrane / identical protein binding / plasma membrane / cytoplasm
Similarity search - Function
Neutral amino acid SLC6 transporter / Sodium:neurotransmitter symporter family signature 1. / Sodium:neurotransmitter symporter / Sodium:neurotransmitter symporter superfamily / Sodium:neurotransmitter symporter family / Sodium:neurotransmitter symporter family profile. / Collectrin domain / Renal amino acid transporter / Collectrin-like domain profile. / Peptidase M2, peptidyl-dipeptidase A ...Neutral amino acid SLC6 transporter / Sodium:neurotransmitter symporter family signature 1. / Sodium:neurotransmitter symporter / Sodium:neurotransmitter symporter superfamily / Sodium:neurotransmitter symporter family / Sodium:neurotransmitter symporter family profile. / 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. / Spike glycoprotein S1, N-terminal domain, betacoronavirus-like / Betacoronavirus-like spike glycoprotein S1, N-terminal / 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 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 / Sodium-dependent neutral amino acid transporter B(0)AT1 / Angiotensin-converting enzyme 2
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsYan RH / Li YN / Zhang YY
Funding support China, 3 items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)31971123 China
National Natural Science Foundation of China (NSFC)81920108015 China
National Natural Science Foundation of China (NSFC)31930059 China
CitationJournal: Science / Year: 2020
Title: Structural basis for the recognition of SARS-CoV-2 by full-length human ACE2.
Authors: Renhong Yan / Yuanyuan Zhang / Yaning Li / Lu Xia / Yingying Guo / Qiang Zhou /
Abstract: Angiotensin-converting enzyme 2 (ACE2) is the cellular receptor for severe acute respiratory syndrome-coronavirus (SARS-CoV) and the new coronavirus (SARS-CoV-2) that is causing the serious ...Angiotensin-converting enzyme 2 (ACE2) is the cellular receptor for severe acute respiratory syndrome-coronavirus (SARS-CoV) and the new coronavirus (SARS-CoV-2) that is causing the serious coronavirus disease 2019 (COVID-19) epidemic. Here, we present cryo-electron microscopy structures of full-length human ACE2 in the presence of the neutral amino acid transporter BAT1 with or without the receptor binding domain (RBD) of the surface spike glycoprotein (S protein) of SARS-CoV-2, both at an overall resolution of 2.9 angstroms, with a local resolution of 3.5 angstroms at the ACE2-RBD interface. The ACE2-BAT1 complex is assembled as a dimer of heterodimers, with the collectrin-like domain of ACE2 mediating homodimerization. The RBD is recognized by the extracellular peptidase domain of ACE2 mainly through polar residues. These findings provide important insights into the molecular basis for coronavirus recognition and infection.
History
DepositionApr 28, 2021-
Header (metadata) releaseMay 11, 2022-
Map releaseMay 11, 2022-
UpdateMay 11, 2022-
Current statusMay 11, 2022Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_31252.png

Downloads & links

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Map

FileDownload / File: emd_31252.map.gz / Format: CCP4 / Size: 64 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.09 Å/pix.
x 256 pix.
= 278.272 Å		1.09 Å/pix.
x 256 pix.
= 278.272 Å		1.09 Å/pix.
x 256 pix.
= 278.272 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.087 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.03
Minimum - Maximum-0.07495532 - 0.13957557
Average (Standard dev.)-3.761227e-05 (±0.0029353995)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions256256256
Spacing256256256
CellA=B=C: 278.272 Å
α=β=γ: 90.0 °

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Supplemental data

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Sample components

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Entire : cryo EM map of Erastin-bound xCT-4F2hc complex, focused refined o...

EntireName: cryo EM map of Erastin-bound xCT-4F2hc complex, focused refined on transmembrane region
Components
  • Complex: cryo EM map of Erastin-bound xCT-4F2hc complex, focused refined on transmembrane region

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Supramolecule #1: cryo EM map of Erastin-bound xCT-4F2hc complex, focused refined o...

SupramoleculeName: cryo EM map of Erastin-bound xCT-4F2hc complex, focused refined on transmembrane region
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)
Recombinant expressionOrganism: Homo sapiens (human)

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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: 8
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (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
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: RELION (ver. 3.0.6) / Number images used: 89597
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: MAXIMUM LIKELIHOOD

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