+Open data
-Basic information
Entry | Database: PDB / ID: 4oqu | ||||||
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Title | Structure of the SAM-I/IV riboswitch (env87(deltaU92)) | ||||||
Components | SAM-I/IV riboswitch | ||||||
Keywords | RNA / riboswitch / aptamer / pseudoknot / regulation / S-adenosylmethionine | ||||||
Function / homology | S-ADENOSYLMETHIONINE / RNA / RNA (> 10) Function and homology information | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.2 Å | ||||||
Authors | Trausch, J.J. / Reyes, F.E. / Edwards, A.L. / Batey, R.T. | ||||||
Citation | Journal: Proc.Natl.Acad.Sci.USA / Year: 2014 Title: Structural basis for diversity in the SAM clan of riboswitches. Authors: Trausch, J.J. / Xu, Z. / Edwards, A.L. / Reyes, F.E. / Ross, P.E. / Knight, R. / Batey, R.T. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 4oqu.cif.gz | 63.3 KB | Display | PDBx/mmCIF format |
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PDB format | pdb4oqu.ent.gz | 47.2 KB | Display | PDB format |
PDBx/mmJSON format | 4oqu.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 4oqu_validation.pdf.gz | 759.6 KB | Display | wwPDB validaton report |
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Full document | 4oqu_full_validation.pdf.gz | 760.9 KB | Display | |
Data in XML | 4oqu_validation.xml.gz | 5.7 KB | Display | |
Data in CIF | 4oqu_validation.cif.gz | 7 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/oq/4oqu ftp://data.pdbj.org/pub/pdb/validation_reports/oq/4oqu | HTTPS FTP |
-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: 31622.029 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: T7 transcription |
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#2: Chemical | ChemComp-SAM / |
#3: Chemical | ChemComp-MG / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal grow | Temperature: 303.15 K / Method: vapor diffusion, hanging drop / pH: 7 Details: 1:1 mix of RNA mix and mother liquor. RNA mix contained RNA and 1 mM SAM. Mother liquor contained 50 mM Na-cacodylate, pH 7.0, 250 mM ammonium acetate, 20 mM MgCl2, and 16% 2-methyl-2,4- ...Details: 1:1 mix of RNA mix and mother liquor. RNA mix contained RNA and 1 mM SAM. Mother liquor contained 50 mM Na-cacodylate, pH 7.0, 250 mM ammonium acetate, 20 mM MgCl2, and 16% 2-methyl-2,4-pentanediol (MPD), VAPOR DIFFUSION, HANGING DROP, temperature 303.15K |
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: SYNCHROTRON / Site: ALS / Beamline: 8.2.2 / Wavelength: 0.9999 Å |
Detector | Type: ADSC QUANTUM 315r / Detector: CCD / Date: Jan 17, 2014 |
Radiation | Monochromator: Double crystal, Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.9999 Å / Relative weight: 1 |
Reflection | Resolution: 3.2→41.66 Å / Num. all: 14952 / Num. obs: 14916 / % possible obs: 99.8 % / Observed criterion σ(F): 1.9 / Observed criterion σ(I): 1.9 |
Reflection shell | Resolution: 3.2→3.31 Å / % possible all: 100 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 3.2→31.408 Å / SU ML: 0.41 / σ(F): 1.34 / Phase error: 26.16 / Stereochemistry target values: ML
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Solvent computation | Shrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 3.2→31.408 Å
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Refine LS restraints |
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LS refinement shell |
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