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- PDB-1piy: RIBONUCLEOTIDE REDUCTASE R2 SOAKED WITH FERROUS ION AT NEUTRAL PH -
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Open data
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Basic information
Entry | Database: PDB / ID: 1piy | ||||||
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Title | RIBONUCLEOTIDE REDUCTASE R2 SOAKED WITH FERROUS ION AT NEUTRAL PH | ||||||
![]() | Ribonucleoside-diphosphate reductase 1 beta chain | ||||||
![]() | OXIDOREDUCTASE / Four-helix bundle / diferrous cluster | ||||||
Function / homology | ![]() ribonucleoside diphosphate metabolic process / 2'-deoxyribonucleotide biosynthetic process / ribonucleoside-diphosphate reductase complex / nucleobase-containing small molecule interconversion / ribonucleoside-diphosphate reductase / ribonucleoside-diphosphate reductase activity, thioredoxin disulfide as acceptor / deoxyribonucleotide biosynthetic process / iron ion binding / identical protein binding / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Voegtli, W.C. / Sommerhalter, M. / Saleh, L. / Baldwin, J. / Bollinger Jr., J.M. / Rosenzweig, A.C. | ||||||
![]() | ![]() Title: Variable coordination geometries at the diiron(II) active site of ribonucleotide reductase R2. Authors: Voegtli, W.C. / Sommerhalter, M. / Saleh, L. / Baldwin, J. / Bollinger Jr., J.M. / Rosenzweig, A.C. | ||||||
History |
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Remark 999 | SEQUENCE THE CONFLICTS ARE DUE TO A MODELLING ERROR IN THE INITIAL MODEL. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 153.4 KB | Display | ![]() |
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PDB format | ![]() | 120.4 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 381 KB | Display | ![]() |
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Full document | ![]() | 394.2 KB | Display | |
Data in XML | ![]() | 15.3 KB | Display | |
Data in CIF | ![]() | 23.9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 1pizC ![]() 1pj0C ![]() 1pj1C ![]() 1pm2C ![]() 1r65C ![]() 1pimS 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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Unit cell |
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Details | Tetramer of two alpha and two beta subunits |
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Components
#1: Protein | Mass: 43412.836 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() ![]() References: UniProt: P69924, ribonucleoside-diphosphate reductase #2: Chemical | ChemComp-FE / #3: Chemical | ChemComp-HG / #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.05 Å3/Da / Density % sol: 40.1 % | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 310 K / Method: vapor diffusion, hanging drop / pH: 6 Details: 20% PEG 4000, 200mM NaCl, 50mM MES, 0.3% dioxane, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 310K | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 37 ℃ / pH: 7.6 / Method: vapor diffusion, hanging drop | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: IMAGE PLATE / Date: Jul 18, 2000 |
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97 Å / Relative weight: 1 |
Reflection | Resolution: 1.68→25 Å / Num. all: 82056 / Num. obs: 78137 / % possible obs: 95.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 19.6 Å2 |
Reflection shell | Resolution: 1.68→1.79 Å / % possible all: 89.1 |
Reflection | *PLUS Lowest resolution: 25 Å / Num. obs: 80287 / % possible obs: 97.8 % / Num. measured all: 1103745 / Rmerge(I) obs: 0.061 |
Reflection shell | *PLUS % possible obs: 93 % / Rmerge(I) obs: 0.391 / Mean I/σ(I) obs: 2.1 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1PIM Resolution: 1.68→24.08 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 1901059.32 / Data cutoff high rms absF: 1901059.32 / Data cutoff low absF: 0 / 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: 39.4452 Å2 / ksol: 0.38937 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 19.1 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.68→24.08 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.68→1.79 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 6
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Xplor file |
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Refinement | *PLUS Lowest resolution: 25 Å / Num. reflection obs: 77979 / % reflection Rfree: 5 % / Rfactor Rfree: 0.247 / Rfactor Rwork: 0.203 | ||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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