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- PDB-8h9r: Human ATP synthase state 3b subregion 2 -

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Basic information

Entry
Database: PDB / ID: 8h9r
TitleHuman ATP synthase state 3b subregion 2
Components
  • ATP synthase F(0) complex subunit B1, mitochondrial
  • ATP synthase subunit d, mitochondrial
  • ATP synthase-coupling factor 6, mitochondrial
KeywordsMEMBRANE PROTEIN
Function / homology
Function and homology information


Formation of ATP by chemiosmotic coupling / Cristae formation / Mitochondrial protein degradation / mitochondrial proton-transporting ATP synthase, stator stalk / mitochondrial proton-transporting ATP synthase complex, coupling factor F(o) / mitochondrial proton-transporting ATP synthase complex / proton motive force-driven mitochondrial ATP synthesis / proton motive force-driven ATP synthesis / proton transmembrane transporter activity / substantia nigra development ...Formation of ATP by chemiosmotic coupling / Cristae formation / Mitochondrial protein degradation / mitochondrial proton-transporting ATP synthase, stator stalk / mitochondrial proton-transporting ATP synthase complex, coupling factor F(o) / mitochondrial proton-transporting ATP synthase complex / proton motive force-driven mitochondrial ATP synthesis / proton motive force-driven ATP synthesis / proton transmembrane transporter activity / substantia nigra development / proton-transporting ATP synthase activity, rotational mechanism / mitochondrial inner membrane / mitochondrial matrix / mitochondrion / membrane / nucleus
Similarity search - Function
ATP synthase-coupling factor 6, mitochondrial / ATP synthase-coupling factor 6 superfamily, mitochondrial / Mitochondrial ATP synthase coupling factor 6 / ATP synthase, F0 complex, subunit B/MI25 / ATP synthase, F0 complex, subunit B / Mitochondrial ATP synthase B chain precursor (ATP-synt_B) / ATP synthase, F0 complex, subunit D, mitochondrial / ATP synthase D chain, mitochondrial (ATP5H) / ATP synthase, F0 complex, subunit D superfamily, mitochondrial
Similarity search - Domain/homology
ATP synthase subunit d, mitochondrial / ATP synthase-coupling factor 6, mitochondrial / ATP synthase F(0) complex subunit B1, mitochondrial
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.97 Å
AuthorsLai, Y. / Zhang, Y. / Liu, F. / Gao, Y. / Gong, H. / Rao, Z.
Funding support China, 4items
OrganizationGrant numberCountry
National Natural Science Foundation of China (NSFC)81520108019 China
National Natural Science Foundation of China (NSFC)813300237 China
National Natural Science Foundation of China (NSFC)32100976 China
National Natural Science Foundation of China (NSFC)82222042 China
CitationJournal: Mol Cell / Year: 2023
Title: Structure of the human ATP synthase.
Authors: Yuezheng Lai / Yuying Zhang / Shan Zhou / Jinxu Xu / Zhanqiang Du / Ziyan Feng / Long Yu / Ziqing Zhao / Weiwei Wang / Yanting Tang / Xiuna Yang / Luke W Guddat / Fengjiang Liu / Yan Gao / ...Authors: Yuezheng Lai / Yuying Zhang / Shan Zhou / Jinxu Xu / Zhanqiang Du / Ziyan Feng / Long Yu / Ziqing Zhao / Weiwei Wang / Yanting Tang / Xiuna Yang / Luke W Guddat / Fengjiang Liu / Yan Gao / Zihe Rao / Hongri Gong /
Abstract: Biological energy currency ATP is produced by FF-ATP synthase. However, the molecular mechanism for human ATP synthase action remains unknown. Here, we present snapshot images for three main ...Biological energy currency ATP is produced by FF-ATP synthase. However, the molecular mechanism for human ATP synthase action remains unknown. Here, we present snapshot images for three main rotational states and one substate of human ATP synthase using cryoelectron microscopy. These structures reveal that the release of ADP occurs when the β subunit of FF-ATP synthase is in the open conformation, showing how ADP binding is coordinated during synthesis. The accommodation of the symmetry mismatch between F and F motors is resolved by the torsional flexing of the entire complex, especially the γ subunit, and the rotational substep of the c subunit. Water molecules are identified in the inlet and outlet half-channels, suggesting that the proton transfer in these two half-channels proceed via a Grotthus mechanism. Clinically relevant mutations are mapped to the structure, showing that they are mainly located at the subunit-subunit interfaces, thus causing instability of the complex.
History
DepositionOct 25, 2022Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 31, 2023Provider: repository / Type: Initial release
Revision 1.1Jun 7, 2023Group: Database references / Category: citation / citation_author / Item: _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Jul 5, 2023Group: Database references / Category: citation / Item: _citation.journal_volume / _citation.page_first

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
K: ATP synthase F(0) complex subunit B1, mitochondrial
L: ATP synthase-coupling factor 6, mitochondrial
M: ATP synthase subunit d, mitochondrial


Theoretical massNumber of molelcules
Total (without water)55,6493
Polymers55,6493
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein ATP synthase F(0) complex subunit B1, mitochondrial / ATP synthase peripheral stalk-membrane subunit b / ATP synthase proton-transporting mitochondrial ...ATP synthase peripheral stalk-membrane subunit b / ATP synthase proton-transporting mitochondrial F(0) complex subunit B1 / ATP synthase subunit b / ATPase subunit b


Mass: 24658.586 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P24539
#2: Protein ATP synthase-coupling factor 6, mitochondrial / ATPase subunit F6 / ATP synthase peripheral stalk subunit F6


Mass: 12606.499 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P18859
#3: Protein ATP synthase subunit d, mitochondrial / / ATPase subunit d / ATP synthase peripheral stalk subunit d


Mass: 18383.982 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O75947

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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: Human ATP synthase / Type: COMPLEX / Entity ID: all / Source: NATURAL
Molecular weightValue: 0.6 MDa / Experimental value: YES
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid type: Quantifoil R1.2/1.3
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 FIELDBright-field microscopy / Nominal defocus max: 2400 nm / Nominal defocus min: 1200 nm
Specimen holderCryogen: NITROGEN
Image recordingElectron dose: 50 e/Å2 / Film or detector model: FEI FALCON IV (4k x 4k)
EM imaging opticsEnergyfilter name: TFS Selectris X / Energyfilter slit width: 10 eV

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Processing

SoftwareName: PHENIX / Version: 1.16_3549: / Classification: refinement
EM software
IDNameCategory
1cryoSPARCparticle selection
4cryoSPARCCTF correction
10cryoSPARCinitial Euler assignment
11cryoSPARCfinal Euler assignment
12cryoSPARCclassification
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.97 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 23272 / Symmetry type: POINT
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.0063456
ELECTRON MICROSCOPYf_angle_d0.7924674
ELECTRON MICROSCOPYf_dihedral_angle_d14.7512113
ELECTRON MICROSCOPYf_chiral_restr0.046508
ELECTRON MICROSCOPYf_plane_restr0.005603

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