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- PDB-8z4t: MERS-CoV S ectodomain trimer in complex with receptor DPP4-750E -

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Basic information

Entry
Database: PDB / ID: 8z4t
TitleMERS-CoV S ectodomain trimer in complex with receptor DPP4-750E
Components
  • Dipeptidyl peptidase 4 soluble form
  • Spike glycoprotein
KeywordsVIRAL PROTEIN / MERS-CoV / spike / DPP4
Function / homology
Function and homology information


glucagon processing / negative regulation of neutrophil chemotaxis / regulation of cell-cell adhesion mediated by integrin / Synthesis, secretion, and inactivation of Glucose-dependent Insulinotropic Polypeptide (GIP) / negative regulation of extracellular matrix disassembly / dipeptidyl-peptidase IV / chemorepellent activity / psychomotor behavior / intercellular canaliculus / dipeptidyl-peptidase activity ...glucagon processing / negative regulation of neutrophil chemotaxis / regulation of cell-cell adhesion mediated by integrin / Synthesis, secretion, and inactivation of Glucose-dependent Insulinotropic Polypeptide (GIP) / negative regulation of extracellular matrix disassembly / dipeptidyl-peptidase IV / chemorepellent activity / psychomotor behavior / intercellular canaliculus / dipeptidyl-peptidase activity / peptide hormone processing / locomotory exploration behavior / lamellipodium membrane / endocytic vesicle / aminopeptidase activity / endothelial cell migration / behavioral fear response / T cell costimulation / receptor-mediated endocytosis of virus by host cell / serine-type peptidase activity / T cell activation / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / lamellipodium / virus receptor activity / protease binding / membrane fusion / host cell endoplasmic reticulum-Golgi intermediate compartment membrane / positive regulation of viral entry into host cell / response to hypoxia / receptor-mediated virion attachment to host cell / cell adhesion / apical plasma membrane / membrane raft / endocytosis involved in viral entry into host cell / signaling receptor binding / lysosomal membrane / fusion of virus membrane with host plasma membrane / serine-type endopeptidase activity / focal adhesion / fusion of virus membrane with host endosome membrane / positive regulation of cell population proliferation / viral envelope / symbiont entry into host cell / host cell plasma membrane / virion membrane / cell surface / protein homodimerization activity / proteolysis / extracellular exosome / extracellular region / identical protein binding / membrane / plasma membrane
Similarity search - Function
Spike (S) protein S1 subunit, receptor-binding domain, MERS-CoV / Spike (S) protein S1 subunit, N-terminal domain, MERS-CoV-like / Prolyl endopeptidase family serine active site. / : / Peptidase S9, serine active site / Dipeptidylpeptidase IV, N-terminal domain / Dipeptidyl peptidase IV (DPP IV) N-terminal region / Peptidase S9, prolyl oligopeptidase, catalytic domain / Prolyl oligopeptidase family / Spike glycoprotein S2, coronavirus, C-terminal ...Spike (S) protein S1 subunit, receptor-binding domain, MERS-CoV / Spike (S) protein S1 subunit, N-terminal domain, MERS-CoV-like / Prolyl endopeptidase family serine active site. / : / Peptidase S9, serine active site / Dipeptidylpeptidase IV, N-terminal domain / Dipeptidyl peptidase IV (DPP IV) N-terminal region / Peptidase S9, prolyl oligopeptidase, catalytic domain / Prolyl oligopeptidase family / Spike glycoprotein S2, coronavirus, C-terminal / Coronavirus spike glycoprotein S2, intravirion / Alpha/Beta hydrolase fold / 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 / Dipeptidyl peptidase 4
Similarity search - Component
Biological speciesMiddle East respiratory syndrome-related coronavirus
Homo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.93 Å
AuthorsWang, X. / Wang, Z.
Funding support1items
OrganizationGrant numberCountry
Not funded
CitationJournal: To Be Published
Title: MERS-CoV S ectodomain trimer in complex with receptor DPP4-750E
Authors: Wang, X. / Wang, Z.
History
DepositionApr 17, 2024Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Oct 22, 2025Provider: repository / Type: Initial release
Revision 1.0Oct 22, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Oct 22, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Oct 22, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Oct 22, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Oct 22, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Spike glycoprotein
B: Spike glycoprotein
C: Spike glycoprotein
D: Dipeptidyl peptidase 4 soluble form
I: Dipeptidyl peptidase 4 soluble form


Theoretical massNumber of molelcules
Total (without water)565,8115
Polymers565,8115
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

#1: Protein Spike glycoprotein / S glycoprotein / E2 / Peplomer protein


Mass: 132301.250 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Middle East respiratory syndrome-related coronavirus (isolate United Kingdom/H123990006/2012)
Gene: S, 3 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: K9N5Q8
#2: Protein Dipeptidyl peptidase 4 soluble form / Dipeptidyl peptidase IV soluble form


Mass: 84453.586 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: DPP4, ADCP2, CD26 / Production host: Trichoplusia ni (cabbage looper) / References: UniProt: P27487
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: MERS-CoV spike glycoprotein / Type: COMPLEX / Entity ID: all / Source: MULTIPLE SOURCES
Source (natural)Organism: Middle East respiratory syndrome-related coronavirus
Source (recombinant)Organism: Trichoplusia ni (cabbage looper)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 1800 nm / Nominal defocus min: 1300 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.93 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 397140 / Symmetry type: POINT

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