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- PDB-8ca4: Cryo-EM structure NDUFS4 knockout complex I from Mus musculus hea... -

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Basic information

Entry
Database: PDB / ID: 8ca4
TitleCryo-EM structure NDUFS4 knockout complex I from Mus musculus heart (Class 2 N-domain).
Components
  • (NADH dehydrogenase [ubiquinone] flavoprotein ...) x 3
  • NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2
  • NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial
KeywordsOXIDOREDUCTASE / NADH ubiquinone oxidoreductase / Complex I
Function / homology
Function and homology information


Complex I biogenesis / Respiratory electron transport / blastocyst hatching / Mitochondrial protein degradation / cardiac muscle tissue development / cellular respiration / NADH:ubiquinone reductase (H+-translocating) / apoptotic mitochondrial changes / mitochondrial ATP synthesis coupled electron transport / : ...Complex I biogenesis / Respiratory electron transport / blastocyst hatching / Mitochondrial protein degradation / cardiac muscle tissue development / cellular respiration / NADH:ubiquinone reductase (H+-translocating) / apoptotic mitochondrial changes / mitochondrial ATP synthesis coupled electron transport / : / mitochondrial electron transport, NADH to ubiquinone / proton motive force-driven mitochondrial ATP synthesis / mitochondrial respiratory chain complex I assembly / NADH dehydrogenase (ubiquinone) activity / ATP metabolic process / aerobic respiration / reactive oxygen species metabolic process / regulation of mitochondrial membrane potential / mitochondrial intermembrane space / 2 iron, 2 sulfur cluster binding / NAD binding / FMN binding / myelin sheath / nervous system development / 4 iron, 4 sulfur cluster binding / mitochondrial inner membrane / electron transfer activity / mitochondrion / metal ion binding / cytosol
Similarity search - Function
NADH-ubiquinone oxidoreductase flavoprotein 3 / NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 2 / NADH-quinone oxidoreductase, chain G, C-terminal / NADH-ubiquinone oxidoreductase subunit G, C-terminal / NADH:ubiquinone oxidoreductase, subunit G / Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 3. / Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 2. / NADH ubiquinone oxidoreductase, F subunit / Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 1. ...NADH-ubiquinone oxidoreductase flavoprotein 3 / NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial / NADH dehydrogenase [ubiquinone] (complex I), alpha subcomplex, subunit 2 / NADH-quinone oxidoreductase, chain G, C-terminal / NADH-ubiquinone oxidoreductase subunit G, C-terminal / NADH:ubiquinone oxidoreductase, subunit G / Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 3. / Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 2. / NADH ubiquinone oxidoreductase, F subunit / Respiratory-chain NADH dehydrogenase 75 Kd subunit signature 1. / 2Fe-2S iron-sulfur cluster binding domain / NADH:ubiquinone oxidoreductase, 75kDa subunit, conserved site / NADH-ubiquinone oxidoreductase-G iron-sulfur binding region / NADH-ubiquinone oxidoreductase-G iron-sulfur binding region / Respiratory-chain NADH dehydrogenase 51 Kd subunit signature 1. / Respiratory-chain NADH dehydrogenase 24 Kd subunit signature. / NuoE domain / NADH:ubiquinone oxidoreductase, subunit G, iron-sulphur binding / His(Cys)3-ligated-type [4Fe-4S] domain profile. / NADH-quinone oxidoreductase subunit E-like / Thioredoxin-like [2Fe-2S] ferredoxin / NADH-quinone oxidoreductase subunit E, N-terminal / NADH:ubiquinone oxidoreductase, 51kDa subunit, conserved site / Respiratory-chain NADH dehydrogenase 51 Kd subunit signature 2. / NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain / NADH-ubiquinone oxidoreductase 51kDa subunit, iron-sulphur binding domain superfamily / NADH-ubiquinone oxidoreductase-F iron-sulfur binding region / NADH-ubiquinone oxidoreductase-F iron-sulfur binding region / NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain / NADH-ubiquinone oxidoreductase 51kDa subunit, FMN-binding domain superfamily / Respiratory-chain NADH dehydrogenase 51 Kd subunit / Molybdopterin oxidoreductase, 4Fe-4S domain / Prokaryotic molybdopterin oxidoreductases 4Fe-4S domain profile. / Molybdopterin oxidoreductase / Molybdopterin oxidoreductase / Ribosomal protein/NADH dehydrogenase domain / Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain / Mitochondrial ribosomal protein L51 / S25 / CI-B8 domain / 2Fe-2S ferredoxin-type iron-sulfur binding domain profile. / 2Fe-2S ferredoxin-type iron-sulfur binding domain / 2Fe-2S ferredoxin-like superfamily / Thioredoxin-like superfamily
Similarity search - Domain/homology
FE2/S2 (INORGANIC) CLUSTER / FLAVIN MONONUCLEOTIDE / IRON/SULFUR CLUSTER / NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial / NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial / NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial / NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 / NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial
Similarity search - Component
Biological speciesMus musculus (house mouse)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.25 Å
AuthorsYin, Z. / Bridges, H.R. / Agip, A.N.A. / Hirst, J.
Funding support United Kingdom, 3items
OrganizationGrant numberCountry
Medical Research Council (MRC, United Kingdom)MC_U105663141 United Kingdom
Medical Research Council (MRC, United Kingdom)MC_UU_00015/2 United Kingdom
Medical Research Council (MRC, United Kingdom)MC_UU_00028/1 United Kingdom
CitationJournal: EMBO J / Year: 2024
Title: Structural insights into respiratory complex I deficiency and assembly from the mitochondrial disease-related ndufs4 mouse.
Authors: Zhan Yin / Ahmed-Noor A Agip / Hannah R Bridges / Judy Hirst /
Abstract: Respiratory complex I (NADH:ubiquinone oxidoreductase) is essential for cellular energy production and NAD homeostasis. Complex I mutations cause neuromuscular, mitochondrial diseases, such as Leigh ...Respiratory complex I (NADH:ubiquinone oxidoreductase) is essential for cellular energy production and NAD homeostasis. Complex I mutations cause neuromuscular, mitochondrial diseases, such as Leigh Syndrome, but their molecular-level consequences remain poorly understood. Here, we use a popular complex I-linked mitochondrial disease model, the ndufs4 mouse, to define the structural, biochemical, and functional consequences of the absence of subunit NDUFS4. Cryo-EM analyses of the complex I from ndufs4 mouse hearts revealed a loose association of the NADH-dehydrogenase module, and discrete classes containing either assembly factor NDUFAF2 or subunit NDUFS6. Subunit NDUFA12, which replaces its paralogue NDUFAF2 in mature complex I, is absent from all classes, compounding the deletion of NDUFS4 and preventing maturation of an NDUFS4-free enzyme. We propose that NDUFAF2 recruits the NADH-dehydrogenase module during assembly of the complex. Taken together, the findings provide new molecular-level understanding of the ndufs4 mouse model and complex I-linked mitochondrial disease.
History
DepositionJan 24, 2023Deposition site: PDBE / Processing site: PDBE
Revision 1.0Dec 20, 2023Provider: repository / Type: Initial release
Revision 1.1Jan 17, 2024Group: Data processing / Database references / Category: citation / citation_author / em_3d_reconstruction
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _citation_author.identifier_ORCID / _citation_author.name / _em_3d_reconstruction.resolution
Revision 1.2Jan 31, 2024Group: Database references / Category: citation
Item: _citation.journal_volume / _citation.page_first / _citation.page_last

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
E: NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial
F: NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial
G: NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial
S: NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2
s: NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial
hetero molecules


Theoretical massNumber of molelcules
Total (without water)182,71811
Polymers180,8555
Non-polymers1,8636
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: native gel electrophoresis
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area18640 Å2
ΔGint-174 kcal/mol
Surface area49990 Å2

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Components

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NADH dehydrogenase [ubiquinone] flavoprotein ... , 3 types, 3 molecules EFs

#1: Protein NADH dehydrogenase [ubiquinone] flavoprotein 2, mitochondrial / NADH-ubiquinone oxidoreductase 24 kDa subunit


Mass: 27318.336 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)
References: UniProt: Q9D6J6, NADH:ubiquinone reductase (H+-translocating)
#2: Protein NADH dehydrogenase [ubiquinone] flavoprotein 1, mitochondrial / Complex I-51kD / CI-51kD / NADH-ubiquinone oxidoreductase 51 kDa subunit


Mass: 50904.152 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)
References: UniProt: Q91YT0, NADH:ubiquinone reductase (H+-translocating)
#5: Protein NADH dehydrogenase [ubiquinone] flavoprotein 3, mitochondrial / Complex I-9kD / CI-9kD / NADH-ubiquinone oxidoreductase 9 kDa subunit


Mass: 11833.504 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q8BK30

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Protein , 2 types, 2 molecules GS

#3: Protein NADH-ubiquinone oxidoreductase 75 kDa subunit, mitochondrial / Complex I-75kD / CI-75kD


Mass: 79866.688 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse)
References: UniProt: Q91VD9, NADH:ubiquinone reductase (H+-translocating)
#4: Protein NADH dehydrogenase [ubiquinone] 1 alpha subcomplex subunit 2 / Complex I-B8 / CI-B8 / NADH-ubiquinone oxidoreductase B8 subunit


Mass: 10932.675 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Mus musculus (house mouse) / References: UniProt: Q9CQ75

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Non-polymers , 3 types, 6 molecules

#6: Chemical ChemComp-FES / FE2/S2 (INORGANIC) CLUSTER


Mass: 175.820 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Fe2S2
#7: Chemical ChemComp-SF4 / IRON/SULFUR CLUSTER


Mass: 351.640 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: Fe4S4
#8: Chemical ChemComp-FMN / FLAVIN MONONUCLEOTIDE / RIBOFLAVIN MONOPHOSPHATE


Mass: 456.344 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C17H21N4O9P

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Details

Has ligand of interestN

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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: Very long-chain specific acyl-CoA dehydrogenase, mitochondrial
Type: COMPLEX / Entity ID: #1 / Source: NATURAL
Source (natural)Organism: Mus musculus (house mouse)
Buffer solutionpH: 7.14 / Details: pH was corrected at room temperature ~22 C
Buffer component
IDConc.NameFormulaBuffer-ID
120 mMtrisNH2C(CH2OH)31
2150 mMsodium chlorideNaCl1
30.05 %DDMC24H46O111
42.5 mMBS3C16H19N2NaO14S21
SpecimenConc.: 3.82 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
Specimen supportGrid material: GOLD / Grid type: UltrAuFoil
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 277 K

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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: 2900 nm / Nominal defocus min: 1500 nm
Image recordingElectron dose: 45 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.25 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 50914 / Symmetry type: POINT

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