1SI7

Structure of E. coli tRNA psi 13 pseudouridine synthase TruD


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6298MES, PEG 8000, ethylene glycol, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K
Crystal Properties
Matthews coefficientSolvent content
2.754.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 63.479α = 90
b = 63.479β = 90
c = 112.235γ = 90
Symmetry
Space GroupP 43

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93CCDCUSTOM-MADE2003-11-15MSINGLE WAVELENGTH
21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X12C0.97904NSLSX12C
2SYNCHROTRONNSLS BEAMLINE X12C0.97865NSLSX12C

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
12.24098.80.03930.3225472226227.9
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.22.2896.90.2155.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTunpublished TruD model SAD data on selenomethionine labeled protein2.235.052174421744105196.50.2120.2120.253RANDOM44.3
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]
2.972.22-5.19
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d22.4
c_scangle_it3
c_mcangle_it2.28
c_scbond_it2.12
c_mcbond_it1.41
c_angle_deg1
c_improper_angle_d0.64
c_bond_d0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2672
Nucleic Acid Atoms
Solvent Atoms240
Heterogen Atoms

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing