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- PDB-3gca: The structural basis for recognition of the preQ0 metabolite by a... -
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Open data
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Basic information
Entry | Database: PDB / ID: 3gca | ||||||
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Title | The structural basis for recognition of the preQ0 metabolite by an unusually small riboswitch aptamer domain | ||||||
![]() | PreQ1 riboswitch | ||||||
![]() | RNA / PreQ1 / PreQ0 / riboswitch / ribosomal binding site / amptamer / metabolite | ||||||
Function / homology | Chem-PQ0 / RNA / RNA (> 10)![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Spitale, R.C. / Wedekind, J.E. | ||||||
![]() | ![]() Title: The Structural Basis for Recognition of the PreQ0 Metabolite by an Unusually Small Riboswitch Aptamer Domain. Authors: Spitale, R.C. / Torelli, A.T. / Krucinska, J. / Bandarian, V. / Wedekind, J.E. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 27.7 KB | Display | ![]() |
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PDB format | ![]() | 19.3 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 415 KB | Display | ![]() |
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Full document | ![]() | 418.1 KB | Display | |
Data in XML | ![]() | 4.1 KB | Display | |
Data in CIF | ![]() | 4.7 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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Unit cell |
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Components
#1: RNA chain | Mass: 10599.417 Da / Num. of mol.: 1 / Source method: obtained synthetically Details: The RNA strand was chemically synthesized based on the sequence of Class I, Type I PreQ1 riboswitch aptamer domain from T. tengcongensis |
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#2: Chemical | ChemComp-PQ0 / |
#3: Chemical |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 4.93 Å3/Da / Density % sol: 75.05 % | ||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6 Details: 1.8 M Li2SO4, 0.10 M Na-cacodylate pH 6.0, 0.01 M Mg(SO4)2-, 5% (v/v) 1,3-propanediol and 2 mM spermine., VAPOR DIFFUSION, HANGING DROP, temperature 293K | ||||||||||||||||||||||||||||||||||||||||
Components of the solutions |
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-Data collection
Diffraction | Mean temperature: 100 K | ||||||||||||
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Diffraction source | Source: ![]() ![]() ![]() | ||||||||||||
Detector | Type: Quantum 315 CCD detector / Detector: CCD / Date: Jan 29, 2009 Details: Vertical focusing mirror; single crystal (Si111) bent monochromator (horizontal focusing). | ||||||||||||
Radiation | Protocol: MAD / Monochromatic (M) / Laue (L): M / Scattering type: x-ray | ||||||||||||
Radiation wavelength |
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Reflection | Resolution: 2.75→50 Å / Num. obs: 5990 / % possible obs: 97.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 16.6 % / Biso Wilson estimate: 75 Å2 / Rsym value: 0.056 / Net I/σ(I): 36.47 | ||||||||||||
Reflection shell | Resolution: 2.75→2.85 Å / Redundancy: 15.8 % / Mean I/σ(I) obs: 6.5 / Num. unique all: 579 / Rsym value: 0.36 / % possible all: 98.5 |
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Processing
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Refinement | Method to determine structure: ![]()
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 51.0924 Å2 / ksol: 0.2 e/Å3 | |||||||||||||||||||||
Displacement parameters | Biso mean: 76 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.75→28.33 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.75→2.92 Å / Rfactor Rfree error: 0.06 / Total num. of bins used: 6
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Xplor file |
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