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Yorodumi- PDB-1qvi: Crystal structure of scallop myosin S1 in the pre-power stroke st... -
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Open data
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Basic information
| Entry | Database: PDB / ID: 1qvi | ||||||
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| Title | Crystal structure of scallop myosin S1 in the pre-power stroke state to 2.6 Angstrom resolution: flexibility and function in the head | ||||||
Components |
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Keywords | CONTRACTILE PROTEIN / scallop myosin subfragment-1 (S1) / pre-power stroke state / pliant region / internally-uncoupled state / SH1 helix | ||||||
| Function / homology | Function and homology informationmuscle myosin complex / myosin filament / myosin complex / myosin II complex / microfilament motor activity / myofibril / actin filament binding / calmodulin binding / calcium ion binding / ATP binding Similarity search - Function | ||||||
| Biological species | Argopecten irradians (bay scallop) | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.54 Å | ||||||
Authors | Gourinath, S. / Himmel, D.M. / Brown, J.H. / Reshetnikova, L. / Szent-Gyrgyi, A.G. / Cohen, C. | ||||||
Citation | Journal: Structure / Year: 2003Title: Crystal structure of scallop Myosin s1 in the pre-power stroke state to 2.6 a resolution: flexibility and function in the head. Authors: Gourinath, S. / Himmel, D.M. / Brown, J.H. / Reshetnikova, L. / Szent-Gyorgyi, A.G. / Cohen, C. | ||||||
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 1qvi.cif.gz | 235.5 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb1qvi.ent.gz | 184.8 KB | Display | PDB format |
| PDBx/mmJSON format | 1qvi.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/qv/1qvi ftp://data.pdbj.org/pub/pdb/validation_reports/qv/1qvi | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 1dflS S: Starting model for refinement |
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| Similar structure data |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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Components
-Protein , 3 types, 3 molecules AYZ
| #1: Protein | Mass: 95815.062 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Argopecten irradians (bay scallop) / References: UniProt: P24733 |
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| #2: Protein | Mass: 17560.855 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Argopecten irradians (bay scallop) / References: UniProt: P13543 |
| #3: Protein | Mass: 17635.635 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Argopecten irradians (bay scallop) / References: UniProt: P07291 |
-Non-polymers , 5 types, 57 molecules 








| #4: Chemical | | #5: Chemical | ChemComp-VO4 / | #6: Chemical | ChemComp-ADP / | #7: Chemical | ChemComp-CA / | #8: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 3 |
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Sample preparation
| Crystal | Density Matthews: 3.05 Å3/Da / Density % sol: 59.64 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Crystal grow | Temperature: 298 K / Method: vapor diffusion, sitting drop / pH: 6 Details: MES, MgCl2, ADP, Na3VO4, polyethylene glycol 8K, glycerol, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Crystal grow | *PLUS Method: vapor diffusion, sitting drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Components of the solutions | *PLUS
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-Data collection
| Diffraction | Mean temperature: 100 K |
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| Diffraction source | Source: SYNCHROTRON / Site: CHESS / Beamline: A1 / Wavelength: 0.93 Å |
| Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Apr 28, 2001 |
| Radiation | Monochromator: RH-COATED WITH SI / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.93 Å / Relative weight: 1 |
| Reflection | Resolution: 2.54→50 Å / Num. all: 42849 / Num. obs: 42805 / % possible obs: 82.3 % / Observed criterion σ(I): -3 / Redundancy: 3.5 % / Biso Wilson estimate: 48.4 Å2 / Rsym value: 0.083 / Net I/σ(I): 18.6 |
| Reflection shell | Resolution: 2.55→2.64 Å / Mean I/σ(I) obs: 5 / Num. unique all: 1696 / Rsym value: 0.18 / % possible all: 33 |
| Reflection | *PLUS Num. obs: 42849 / Rmerge(I) obs: 0.083 |
| Reflection shell | *PLUS % possible obs: 32.8 % / Rmerge(I) obs: 0.18 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENTStarting model: 1DFL Resolution: 2.54→45.58 Å / Rfactor Rfree error: 0.005 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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| Solvent computation | Solvent model: FLAT MODEL / Bsol: 28.0872 Å2 / ksol: 0.311881 e/Å3 | |||||||||||||||||||||||||
| Displacement parameters | Biso mean: 50.9 Å2
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| Refine analyze |
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| Refinement step | Cycle: LAST / Resolution: 2.54→45.58 Å
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| Refine LS restraints |
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| LS refinement shell | Resolution: 2.5→2.66 Å / Rfactor Rfree error: 0.032 / Total num. of bins used: 6
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| Xplor file |
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| Refinement | *PLUS Lowest resolution: 50 Å / % reflection Rfree: 5 % / Rfactor Rwork: 0.211 | |||||||||||||||||||||||||
| Solvent computation | *PLUS | |||||||||||||||||||||||||
| Displacement parameters | *PLUS | |||||||||||||||||||||||||
| Refine LS restraints | *PLUS
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| LS refinement shell | *PLUS % reflection Rfree: 10 % |
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Argopecten irradians (bay scallop)
X-RAY DIFFRACTION
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