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Yorodumi- PDB-8b6f: Cryo-EM structure of NADH:ubiquinone oxidoreductase (complex-I) f... -
+Open data
-Basic information
Entry | Database: PDB / ID: 8b6f | |||||||||||||||
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Title | Cryo-EM structure of NADH:ubiquinone oxidoreductase (complex-I) from respiratory supercomplex of Tetrahymena thermophila | |||||||||||||||
Components |
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Keywords | ELECTRON TRANSPORT / Ciliate / mitochondrial / complex-I / supercomplex | |||||||||||||||
Function / homology | Function and homology information lipid-A-disaccharide synthase / lipid-A-disaccharide synthase activity / NADH:ubiquinone reductase (H+-translocating) / medium-chain fatty acid-CoA ligase activity / P450-containing electron transport chain / NADH dehydrogenase complex / ubiquinone-6 biosynthetic process / oxidoreductase activity, acting on NAD(P)H / lipid A biosynthetic process / NADH:ubiquinone reductase (H+-translocating) ...lipid-A-disaccharide synthase / lipid-A-disaccharide synthase activity / NADH:ubiquinone reductase (H+-translocating) / medium-chain fatty acid-CoA ligase activity / P450-containing electron transport chain / NADH dehydrogenase complex / ubiquinone-6 biosynthetic process / oxidoreductase activity, acting on NAD(P)H / lipid A biosynthetic process / NADH:ubiquinone reductase (H+-translocating) / NADH dehydrogenase activity / : / mitochondrial respiratory chain complex I assembly / mitochondrial electron transport, NADH to ubiquinone / electron transport coupled proton transport / acyl binding / acyl carrier activity / NADH dehydrogenase (ubiquinone) activity / ATP synthesis coupled electron transport / quinone binding / : / aerobic respiration / respiratory electron transport chain / fatty acid metabolic process / mitochondrial membrane / electron transport chain / phospholipid binding / 2 iron, 2 sulfur cluster binding / NAD binding / FMN binding / 4 iron, 4 sulfur cluster binding / response to oxidative stress / mitochondrial inner membrane / oxidoreductase activity / ribosome / protein-containing complex binding / mitochondrion / membrane / metal ion binding Similarity search - Function | |||||||||||||||
Biological species | Tetrahymena thermophila SB210 (eukaryote) | |||||||||||||||
Method | ELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 2.8 Å | |||||||||||||||
Authors | Muhleip, A. / Kock Flygaard, R. / Amunts, A. | |||||||||||||||
Funding support | Sweden, European Union, 4items
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Citation | Journal: Nature / Year: 2023 Title: Structural basis of mitochondrial membrane bending by the I-II-III-IV supercomplex. Authors: Alexander Mühleip / Rasmus Kock Flygaard / Rozbeh Baradaran / Outi Haapanen / Thomas Gruhl / Victor Tobiasson / Amandine Maréchal / Vivek Sharma / Alexey Amunts / Abstract: Mitochondrial energy conversion requires an intricate architecture of the inner mitochondrial membrane. Here we show that a supercomplex containing all four respiratory chain components contributes ...Mitochondrial energy conversion requires an intricate architecture of the inner mitochondrial membrane. Here we show that a supercomplex containing all four respiratory chain components contributes to membrane curvature induction in ciliates. We report cryo-electron microscopy and cryo-tomography structures of the supercomplex that comprises 150 different proteins and 311 bound lipids, forming a stable 5.8-MDa assembly. Owing to subunit acquisition and extension, complex I associates with a complex IV dimer, generating a wedge-shaped gap that serves as a binding site for complex II. Together with a tilted complex III dimer association, it results in a curved membrane region. Using molecular dynamics simulations, we demonstrate that the divergent supercomplex actively contributes to the membrane curvature induction and tubulation of cristae. Our findings highlight how the evolution of protein subunits of respiratory complexes has led to the I-II-III-IV supercomplex that contributes to the shaping of the bioenergetic membrane, thereby enabling its functional specialization. #1: Journal: Biorxiv / Year: 2022 Title: Structural basis of mitochondrial membrane bending by I-II-III2-IV2 supercomplex Authors: Muhleip, A. / Flygaard, R.K. / Haapanen, O. / Baradaran, R. / Gruhl, T. / Tobiasson, V. / Marechal, A. / Sharma, V. / Amunts, A. | |||||||||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 8b6f.cif.gz | 5.1 MB | Display | PDBx/mmCIF format |
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PDB format | pdb8b6f.ent.gz | Display | PDB format | |
PDBx/mmJSON format | 8b6f.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 8b6f_validation.pdf.gz | 4.6 MB | Display | wwPDB validaton report |
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Full document | 8b6f_full_validation.pdf.gz | 4.8 MB | Display | |
Data in XML | 8b6f_validation.xml.gz | 366 KB | Display | |
Data in CIF | 8b6f_validation.cif.gz | 531.6 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/b6/8b6f ftp://data.pdbj.org/pub/pdb/validation_reports/b6/8b6f | HTTPS FTP |
-Related structure data
Related structure data | 15865MC 8b6gC 8b6hC 8b6jC M: map data used to model this data C: citing same article (ref.) |
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Similar structure data | Similarity search - Function & homologyF&H Search |
-Links
-Assembly
Deposited unit |
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-Components
+Protein , 36 types, 36 molecules A0A1A2A3A4A5A7A8AFAGAJANASAYAZB1B2B6BABCBEBFBGBIBJBKBNBPBRBS...
-Transmembrane protein, ... , 11 types, 11 molecules A6A9B0B3B4B5BBBDBLBMBX
#7: Protein | Mass: 29389.660 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q24C39 |
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#10: Protein | Mass: 26545.146 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q24F24 |
#37: Protein | Mass: 11451.183 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7MI60 |
#40: Protein | Mass: 9942.366 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: A4VD20 |
#41: Protein | Mass: 8787.116 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q22DC2 |
#42: Protein | Mass: 8445.937 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7MIK1 |
#45: Protein | Mass: 24419.150 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q22Z32 |
#47: Protein | Mass: 23971.033 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7LT77 |
#55: Protein | Mass: 16909.242 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q22HE4 |
#56: Protein | Mass: 15831.701 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7M9B3 |
#67: Protein | Mass: 13340.979 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q22T55 |
-NADH dehydrogenase subunit ... , 5 types, 5 molecules AAAEAOATBH
#11: Protein | Mass: 88179.844 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) References: UniProt: Q950Z0, NADH:ubiquinone reductase (H+-translocating) |
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#15: Protein | Mass: 51227.477 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) References: UniProt: Q951B1, NADH:ubiquinone reductase (H+-translocating) |
#25: Protein | Mass: 23830.291 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) References: UniProt: Q950Z3, NADH:ubiquinone reductase (H+-translocating) |
#30: Protein | Mass: 18324.260 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) References: UniProt: Q951B4, NADH:ubiquinone reductase (H+-translocating) |
#51: Protein | Mass: 20899.889 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) References: UniProt: Q951B2, NADH:ubiquinone reductase (H+-translocating) |
-NADH-ubiquinone oxidoreductase ... , 7 types, 7 molecules ABACAHAIALAUAX
#12: Protein | Mass: 80580.789 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q23KA9 |
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#13: Protein | Mass: 58690.043 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) References: UniProt: Q950X9, NADH:ubiquinone reductase (H+-translocating) |
#18: Protein | Mass: 32636.770 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) References: UniProt: Q950Y3, NADH:ubiquinone reductase (H+-translocating) |
#19: Protein | Mass: 31216.697 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7MEP0 |
#22: Protein | Mass: 28053.535 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7MDW5 |
#31: Protein | Mass: 17381.809 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7LT42 |
#34: Protein | Mass: 14416.898 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) References: UniProt: Q950Z7, NADH:ubiquinone reductase (H+-translocating) |
-NADH dehydrogenase [ubiquinone] ... , 6 types, 6 molecules ADAPAQARBOBQ
#14: Protein | Mass: 52313.699 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 References: UniProt: Q23KE4, NADH:ubiquinone reductase (H+-translocating) |
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#26: Protein | Mass: 22890.570 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: A4VDQ6 |
#27: Protein | Mass: 22698.301 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q233X7 |
#28: Protein | Mass: 21642.377 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7MK61 |
#58: Protein | Mass: 15689.792 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q23B10 |
#60: Protein | Mass: 15193.583 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7MAF0 |
-Gamma-carbonic ... , 2 types, 2 molecules AKAM
#21: Protein | Mass: 28216.734 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q22XU5 |
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#23: Protein | Mass: 25395.969 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7M6S0 |
-Acyl carrier ... , 2 types, 2 molecules AVAW
#32: Protein | Mass: 16249.438 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: Q22XT6 |
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#33: Protein | Mass: 15428.433 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Tetrahymena thermophila SB210 (eukaryote) / Strain: SB210 / References: UniProt: I7MD12 |
-Non-polymers , 13 types, 77 molecules
#70: Chemical | ChemComp-CDL / #71: Chemical | ChemComp-UDP / | #72: Chemical | #73: Chemical | ChemComp-PC1 / #74: Chemical | ChemComp-NDP / | #75: Chemical | ChemComp-3PE / #76: Chemical | ChemComp-LPP / #77: Chemical | #78: Chemical | #79: Chemical | ChemComp-SF4 / #80: Chemical | ChemComp-FMN / | #81: Chemical | ChemComp-8Q1 / | #82: Chemical | ChemComp-ZN / | |
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-Details
Has ligand of interest | Y |
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-Experimental details
-Experiment
Experiment | Method: ELECTRON MICROSCOPY |
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EM experiment | Aggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction |
-Sample preparation
Component | Name: NADH:ubiquinone oxidoreductase complex (complex-I) from respiratory supercomplex of Tetrahymena thermophila Type: COMPLEX / Entity ID: #1-#69 / Source: NATURAL |
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Molecular weight | Value: 1.52 MDa / Experimental value: NO |
Source (natural) | Organism: Tetrahymena thermophila (eukaryote) |
Buffer solution | pH: 7.5 |
Specimen | Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES |
Vitrification | Cryogen name: ETHANE |
-Electron microscopy imaging
Experimental equipment | Model: Titan Krios / Image courtesy: FEI Company |
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Microscopy | Model: FEI TITAN KRIOS |
Electron gun | Electron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM |
Electron lens | Mode: BRIGHT FIELD / Nominal defocus max: 2600 nm / Nominal defocus min: 600 nm |
Image recording | Electron dose: 25.66 e/Å2 / Film or detector model: GATAN K2 QUANTUM (4k x 4k) |
-Processing
CTF correction | Type: PHASE FLIPPING AND AMPLITUDE CORRECTION | ||||||||||||||||||||||||
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3D reconstruction | Resolution: 2.8 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 138746 / Symmetry type: POINT | ||||||||||||||||||||||||
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