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- PDB-9u6f: Cryo-EM structure of the V1 domain of V/A-ATPase in liposomes, state1 -

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Basic information

Entry
Database: PDB / ID: 9u6f
TitleCryo-EM structure of the V1 domain of V/A-ATPase in liposomes, state1
Components(V-type ATP synthase ...) x 4
KeywordsMOTOR PROTEIN / ATP synthase / V ATPase / V1 ATPase
Function / homology
Function and homology information


proton motive force-driven plasma membrane ATP synthesis / proton-transporting ATPase activity, rotational mechanism / H+-transporting two-sector ATPase / proton-transporting ATP synthase complex / proton-transporting ATP synthase activity, rotational mechanism / ATP binding
Similarity search - Function
ATPase, V1 complex, subunit F, bacterial/archaeal / ATPase, V1 complex, subunit D / ATPase, V1 complex, subunit F / ATPase, V1 complex, subunit F superfamily / ATP synthase subunit D / ATP synthase (F/14-kDa) subunit / V-type ATP synthase regulatory subunit B/beta / V-type ATP synthase catalytic alpha chain / ATPsynthase alpha/beta subunit, N-terminal extension / ATPsynthase alpha/beta subunit barrel-sandwich domain ...ATPase, V1 complex, subunit F, bacterial/archaeal / ATPase, V1 complex, subunit D / ATPase, V1 complex, subunit F / ATPase, V1 complex, subunit F superfamily / ATP synthase subunit D / ATP synthase (F/14-kDa) subunit / V-type ATP synthase regulatory subunit B/beta / V-type ATP synthase catalytic alpha chain / ATPsynthase alpha/beta subunit, N-terminal extension / ATPsynthase alpha/beta subunit barrel-sandwich domain / : / ATPase, F1/V1 complex, beta/alpha subunit, C-terminal / C-terminal domain of V and A type ATP synthase / ATP synthase subunit alpha, N-terminal domain-like superfamily / ATPase, F1/V1/A1 complex, alpha/beta subunit, N-terminal domain superfamily / ATPase, F1/V1/A1 complex, alpha/beta subunit, N-terminal domain / ATP synthase alpha/beta family, beta-barrel domain / ATPase, alpha/beta subunit, nucleotide-binding domain, active site / ATP synthase alpha and beta subunits signature. / ATPase, F1/V1/A1 complex, alpha/beta subunit, nucleotide-binding domain / ATP synthase alpha/beta family, nucleotide-binding domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / ADENOSINE-5'-TRIPHOSPHATE / V-type ATP synthase subunit D / V-type ATP synthase subunit F / V-type ATP synthase alpha chain / V-type ATP synthase beta chain
Similarity search - Component
Biological speciesThermus thermophilus HB8 (bacteria)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.2 Å
AuthorsNakano, A. / Kishikawa, J. / Nishida, Y. / Shigematsu, H. / Gerle, C. / Mitsuoka, M. / Yokoyama, K.
Funding support Japan, 3items
OrganizationGrant numberCountry
Japan Society for the Promotion of Science (JSPS)23H02453 Japan
Japan Society for the Promotion of Science (JSPS)20K06514 Japan
Japan Agency for Medical Research and Development (AMED)JP17am0101001 Japan
CitationJournal: Sci Adv / Year: 2025
Title: Structures of rotary ATP synthase from during proton powered ATP synthesis.
Authors: Atsuki Nakano / Jun-Ichi Kishikawa / Nishida Yui / Kyosuke Sugawara / Yuto Kan / Christoph Gerle / Hideki Shigematsu / Kaoru Mitsuoka / Ken Yokoyama /
Abstract: ATP synthases are rotary molecular machines that use the proton motive force to rotate the central rotor complex relative to the surrounding stator apparatus, thereby coupling the ATP synthesis. We ...ATP synthases are rotary molecular machines that use the proton motive force to rotate the central rotor complex relative to the surrounding stator apparatus, thereby coupling the ATP synthesis. We reconstituted the V/A-ATPase into liposomes and performed structural analysis using cryo-EM under conditions where the proton motive force was applied in the presence of ADP and Pi. ATP molecules were bound at two of the three catalytic sites of V/A-ATPase, confirming that the structure represents a state adopted during ATP synthesis. In this structure, the catalytic site closes upon binding of ADP and Pi through an induced fit mechanism. Multiple structures were obtained where the membrane-embedded rotor ring was in a different position relative to the stator. By comparing these structures, we found that torsion occurs in both the central rotor and the peripheral stator during 31° rotation of rotor ring. These structural snapshots of V/A-ATPase provide crucial insights into the mechanism of rotary catalysis of ATP synthesis.
History
DepositionMar 23, 2025Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Oct 29, 2025Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: V-type ATP synthase alpha chain
B: V-type ATP synthase alpha chain
C: V-type ATP synthase alpha chain
D: V-type ATP synthase beta chain
E: V-type ATP synthase beta chain
F: V-type ATP synthase beta chain
G: V-type ATP synthase subunit D
H: V-type ATP synthase subunit F
hetero molecules


Theoretical massNumber of molelcules
Total (without water)384,38212
Polymers383,3998
Non-polymers9834
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

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V-type ATP synthase ... , 4 types, 8 molecules ABCDEFGH

#1: Protein V-type ATP synthase alpha chain / V-ATPase subunit A


Mass: 63699.980 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus thermophilus HB8 (bacteria) / Gene: atpA, TTHA1273 / Production host: Thermus thermophilus HB8 (bacteria)
References: UniProt: Q56403, H+-transporting two-sector ATPase
#2: Protein V-type ATP synthase beta chain / V-ATPase subunit B


Mass: 52660.852 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus thermophilus HB8 (bacteria) / Gene: atpB, TTHA1272 / Production host: Thermus thermophilus HB8 (bacteria) / References: UniProt: Q56404
#3: Protein V-type ATP synthase subunit D / V-ATPase subunit D


Mass: 23021.662 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus thermophilus HB8 (bacteria) / Gene: atpD, vatD, TTHA1271 / Production host: Thermus thermophilus HB8 (bacteria) / References: UniProt: O87880
#4: Protein V-type ATP synthase subunit F / V-ATPase subunit F


Mass: 11294.904 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Thermus thermophilus HB8 (bacteria) / Gene: atpF, vatF, TTHA1274 / Production host: Thermus thermophilus HB8 (bacteria) / References: UniProt: P74903

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Non-polymers , 3 types, 4 molecules

#5: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg / Feature type: SUBJECT OF INVESTIGATION
#6: Chemical ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Feature type: SUBJECT OF INVESTIGATION / Comment: ADP, energy-carrying molecule*YM
#7: Chemical ChemComp-ATP / ADENOSINE-5'-TRIPHOSPHATE


Mass: 507.181 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H16N5O13P3 / Feature type: SUBJECT OF INVESTIGATION / Comment: ATP, energy-carrying molecule*YM

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Details

Has ligand of interestY
Has protein modificationN

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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: V1 domain of V/A-ATPase from Thermus thermophilus / Type: COMPLEX / Entity ID: #1-#4 / Source: RECOMBINANT
Molecular weightValue: 0.66 MDa / Experimental value: YES
Source (natural)Organism: Thermus thermophilus HB8 (bacteria)
Source (recombinant)Organism: Thermus thermophilus HB8 (bacteria)
Buffer solutionpH: 8
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: COPPER / Grid mesh size: 300 divisions/in. / Grid type: Quantifoil R1.2/1.3
VitrificationCryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 298 K

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Electron microscopy imaging

MicroscopyModel: JEOL CRYO ARM 300
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal magnification: 60000 X / Nominal defocus max: 1600 nm / Nominal defocus min: 1400 nm / Cs: 2.7 mm
Specimen holderCryogen: NITROGEN
Image recordingElectron dose: 60 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)
EM imaging opticsEnergyfilter name: In-column Omega Filter

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Processing

EM software
IDNameVersionCategory
1Topazparticle selection
4CTFFIND4.1.8CTF correction
7ISOLDE1.6model fitting
8Coot0.9.4model fitting
10RELION5initial Euler assignment
11RELION5final Euler assignment
12RELION4.01classification
13RELION5.013D reconstruction
14PHENIX1.2model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 2094178
3D reconstructionResolution: 2.2 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 202575 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL
Atomic model buildingPDB-ID: 6QUM

6qum


Accession code: 6QUM / Source name: PDB / Type: experimental model

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