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- PDB-3m9s: Crystal structure of respiratory complex I from Thermus thermophilus -
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Open data
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Basic information
Entry | Database: PDB / ID: 3m9s | ||||||
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Title | Crystal structure of respiratory complex I from Thermus thermophilus | ||||||
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![]() | OXIDOREDUCTASE / MEMBRANE PROTEIN / COMPLEX I / ELECTRON TRANSPORT / RESPIRATORY CHAIN | ||||||
Function / homology | ![]() : / NADH:ubiquinone reductase (non-electrogenic) activity / Translocases; Catalysing the translocation of protons; Linked to oxidoreductase reactions / molybdopterin cofactor binding / respiratory chain complex I / iron-sulfur cluster assembly / NADH dehydrogenase activity / mitochondrial respiratory chain complex I assembly / NADH dehydrogenase (ubiquinone) activity / quinone binding ...: / NADH:ubiquinone reductase (non-electrogenic) activity / Translocases; Catalysing the translocation of protons; Linked to oxidoreductase reactions / molybdopterin cofactor binding / respiratory chain complex I / iron-sulfur cluster assembly / NADH dehydrogenase activity / mitochondrial respiratory chain complex I assembly / NADH dehydrogenase (ubiquinone) activity / quinone binding / electron transport coupled proton transport / ATP synthesis coupled electron transport / aerobic respiration / ferric iron binding / 2 iron, 2 sulfur cluster binding / NAD binding / FMN binding / 4 iron, 4 sulfur cluster binding / iron ion binding / metal ion binding / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Efremov, R.G. / Baradaran, R. / Sazanov, L.A. | ||||||
![]() | ![]() Title: The architecture of respiratory complex I Authors: Efremov, R.G. / Baradaran, R. / Sazanov, L.A. | ||||||
History |
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Remark 650 | HELIX DETERMINATION METHOD: AUTHOR DETERMINED | ||||||
Remark 700 | SHEET DETERMINATION METHOD: AUTHOR DETERMINED |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 1 MB | Display | ![]() |
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PDB format | ![]() | 810.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 970.9 KB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 124.1 KB | Display | |
Data in CIF | ![]() | 207.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 3m9cSC ![]() 3i9vS S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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Unit cell |
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Details | The biological assembly (complex I) consists of chains 1,2,3,4,5,6,7,8,9,L,M,N,R and H. / The identical biological assembly in ASU consists of chains A,B,C,D,E,F,J,I,G,O,P,Q,S and T. |
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Components
-NADH-quinone oxidoreductase subunit ... , 12 types, 24 molecules 1A2B3C4D5E6F9G7JLOMPNQHT
#1: Protein | Mass: 48693.715 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #2: Protein | Mass: 20309.162 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #3: Protein | Mass: 86656.203 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #4: Protein | Mass: 46428.027 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #5: Protein | Mass: 23893.254 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #6: Protein | Mass: 20262.564 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #7: Protein | Mass: 20106.309 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #8: Protein | Mass: 14812.074 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #9: Protein | Mass: 39932.211 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #10: Protein | Mass: 33379.059 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #11: Protein | Mass: 32272.680 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #13: Protein | Mass: 15421.980 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-Protein , 1 types, 2 molecules RS
#12: Protein | Mass: 23336.646 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() |
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-Non-polymers , 3 types, 20 molecules ![](data/chem/img/SF4.gif)
![](data/chem/img/FMN.gif)
![](data/chem/img/FES.gif)
![](data/chem/img/FMN.gif)
![](data/chem/img/FES.gif)
#14: Chemical | ChemComp-SF4 / #15: Chemical | #16: Chemical | ChemComp-FES / |
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-Details
Compound details | THE LONG C-N BONDS ARE BECAUSE OF THE LOOPS NOT BEING MODELED. |
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Sequence details | THE ACTUAL SEQUENCE FOR CHAIN L,O: MALLGTILLPLLGFALLGLFGKRMREPLPGVLASGLVLASFLLGAGLLLSGGARFQAEWL ...THE ACTUAL SEQUENCE FOR CHAIN L,O: MALLGTILLP |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 4.91 Å3/Da / Density % sol: 68 % |
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Crystal grow | Temperature: 295 K / Method: vapor diffusion, sitting drop / pH: 6 Details: 16% PEG 4000, 100 mM Bis-Tris, 100 mM KCl, 100 mM glutaric acid and 2.04 mM n-octyl- -maltoside fluorinated, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Jul 19, 2008 / Details: Mirrors |
Radiation | Monochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 4.5→30 Å / Num. all: 72549 / Num. obs: 72549 / % possible obs: 74.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 1.8 % / Biso Wilson estimate: 132.9 Å2 / Rmerge(I) obs: 0.252 / Net I/σ(I): 2.5 |
Reflection shell | Resolution: 4.5→4.74 Å / Redundancy: 1.6 % / Rmerge(I) obs: 0.628 / Mean I/σ(I) obs: 1 / Num. unique all: 9162 / % possible all: 65.1 |
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Processing
Software |
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRIES 3I9V AND 3M9C Resolution: 4.5→30 Å / Num. reflection all: 72549 / Num. reflection obs: 72549 Details: The structure is not refined and consists of the atomic molecular replacement model of the hydrophilic domain and the backbone alpha-helical model of the membrane domain. Reflection data was ...Details: The structure is not refined and consists of the atomic molecular replacement model of the hydrophilic domain and the backbone alpha-helical model of the membrane domain. Reflection data was anisotropically scaled, for optimal electron density calculation. The directionality of the helices in the membrane domain is not known. The crystal is twinned (twin law "-h, -k, h+l"), with twin fraction 0.46. | ||||||||||||
Refinement step | Cycle: LAST / Resolution: 4.5→30 Å
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