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- PDB-2awq: Solution Structure of pseudouridine-32 modified anticodon stem-lo... -
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Basic information
Entry | Database: PDB / ID: 2awq | ||||||||||||||||||
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Title | Solution Structure of pseudouridine-32 modified anticodon stem-loop of E. coli tRNAPhe | ||||||||||||||||||
![]() | 5'-R(*![]() RNA / tri-loop / Watson-Crick type psi32-A38 base pair | Function / homology | RNA / RNA (> 10) | ![]() Method | SOLUTION NMR / torsion angle randomization simulated annealing, molecular dynamics | ![]() Cabello-Villegas, J. / Nikonowicz, E.P. | ![]() ![]() Title: Solution structure of psi32-modified anticodon stem-loop of Escherichia coli tRNAPhe. Authors: Cabello-Villegas, J. / Nikonowicz, E.P. History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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PDBx/mmCIF format | ![]() | 113.2 KB | Display | ![]() |
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PDB format | ![]() | 91.2 KB | Display | ![]() |
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-Validation report
Summary document | ![]() | 338.7 KB | Display | ![]() |
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Full document | ![]() | 396.4 KB | Display | |
Data in XML | ![]() | 6.4 KB | Display | |
Data in CIF | ![]() | 9 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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NMR ensembles |
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Components
#1: RNA chain | Mass: 5466.324 Da / Num. of mol.: 1 / Fragment: anticodon arm / Source method: obtained synthetically Details: prepared by in vitro transcription and enzymatically pseudouridylated |
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-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||||||||||||||
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NMR experiment |
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NMR details | Text: pseudouridine assigned using CCH-RELAY type experiments. Base pairing determined from interresidue N-N scalar correlations. Distances derived from multiple mixing time NOESY experiments. |
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Sample preparation
Details |
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Sample conditions |
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-NMR measurement
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M | |||||||||||||||
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Radiation wavelength | Relative weight: 1 | |||||||||||||||
NMR spectrometer |
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Processing
NMR software |
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Refinement | Method: torsion angle randomization simulated annealing, molecular dynamics Software ordinal: 1 Details: structure determined using NOE derived distance constraints, and torsional angle restraints derived from J-couplings. Hydrogen bonds derived from NOESY and NN-COSY data. | ||||||||||||
NMR representative | Selection criteria: closest to the average,fewest violations | ||||||||||||
NMR ensemble | Conformer selection criteria: structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy Conformers calculated total number: 75 / Conformers submitted total number: 10 |