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Yorodumi- PDB-1yyo: Crystal structure of RNase III mutant E110K from Aquifex aeolicus... -
+Open data
-Basic information
Entry | Database: PDB / ID: 1yyo | ||||||
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Title | Crystal structure of RNase III mutant E110K from Aquifex aeolicus complexed with double-stranded RNA at 2.9-Angstrom Resolution | ||||||
Components |
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Keywords | HYDROLASE/RNA / Ribonuclease III / double-stranded RNA / RNA interference / endonucleolytic cleavage / HYDROLASE-RNA COMPLEX | ||||||
Function / homology | Function and homology information ribonuclease III / ribonuclease III activity / tRNA processing / RNA processing / mRNA processing / rRNA processing / double-stranded RNA binding / regulation of gene expression / identical protein binding / metal ion binding / cytoplasm Similarity search - Function | ||||||
Biological species | Aquifex aeolicus (bacteria) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 2.9 Å | ||||||
Authors | Gan, J. / Tropea, J.E. / Austin, B.P. / Court, D.L. / Waugh, D.S. / Ji, X. | ||||||
Citation | Journal: Structure / Year: 2005 Title: Intermediate states of ribonuclease III in complex with double-stranded RNA Authors: Gan, J. / Tropea, J.E. / Austin, B.P. / Court, D.L. / Waugh, D.S. / Ji, X. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1yyo.cif.gz | 130.7 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1yyo.ent.gz | 99.2 KB | Display | PDB format |
PDBx/mmJSON format | 1yyo.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/yy/1yyo ftp://data.pdbj.org/pub/pdb/validation_reports/yy/1yyo | HTTPS FTP |
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-Related structure data
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: RNA chain | Mass: 3827.336 Da / Num. of mol.: 4 / Source method: obtained synthetically #2: Protein | Mass: 26147.447 Da / Num. of mol.: 2 / Mutation: E110K Source method: isolated from a genetically manipulated source Source: (gene. exp.) Aquifex aeolicus (bacteria) / Gene: rnc / Plasmid: pHPK1409 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)-RIL / References: UniProt: O67082, ribonuclease III #3: Chemical | ChemComp-TRS / | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.52 Å3/Da / Density % sol: 55.5 % | ||||||||||||||||||||||||||||
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Crystal grow | Temperature: 292 K / Method: vapor diffusion, hanging drop / pH: 7.2 Details: Magnesium formate, PEG3350, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 292K | ||||||||||||||||||||||||||||
Components of the solutions |
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1 Å |
Detector | Type: BRUKER PROTEUM 300 / Detector: CCD / Date: Dec 15, 2003 / Details: mirror |
Radiation | Monochromator: Silicon / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1 Å / Relative weight: 1 |
Reflection | Resolution: 2.9→30 Å / Num. all: 14294 / Num. obs: 14294 / % possible obs: 90.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 5.5 % / Biso Wilson estimate: 61.9 Å2 / Rmerge(I) obs: 0.06 / Net I/σ(I): 22.4 |
Reflection shell | Resolution: 2.9→3 Å / Redundancy: 2.1 % / Rmerge(I) obs: 0.27 / Mean I/σ(I) obs: 1.7 / Num. unique all: 822 / % possible all: 53.7 |
-Processing
Software |
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Refinement | Method to determine structure: FOURIER SYNTHESIS / Resolution: 2.9→30 Å / Rfactor Rfree error: 0.01 / Data cutoff high absF: 427451.4 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 19.0166 Å2 / ksol: 0.287214 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 70.7 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.9→30 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.9→3.08 Å / Rfactor Rfree error: 0.045 / Total num. of bins used: 6
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Xplor file |
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