4JXZ

Structure of E. coli glutaminyl-tRNA synthetase bound to ATP and a tRNA(Gln) acceptor containing a UUG anticodon


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP72902.5 M ammonium sulfate, 40 mM PIPES, 20 mM MgSO4, 20 mM b-mercaptoethanol, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties
Matthews coefficientSolvent content
3.665.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 93.27α = 90
b = 236.71β = 90
c = 114.01γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDNOIR-12012-01-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 4.2.21.0ALS4.2.2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.343.498.10.04812.76.5356377553061156.8
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.3894.9

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESIS2.443.44720145644433696.70.2330.2330.230.266random
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
c_angle_d1.158
c_bond_d0.0067
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4291
Nucleic Acid Atoms1511
Solvent Atoms184
Heterogen Atoms41

Software

Software
Software NamePurpose
StructureStudiodata collection
CNSrefinement
d*TREKdata reduction
d*TREKdata scaling
CNSphasing