3G88

T. thermophilus 16S rRNA G527 methyltransferase in complex with AdoMet in space group P61


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1827720% (w/v) PEG1000, 100 mM imidazole (pH 8.0) and 200 mM calcium acetate, microbatch technique under oil, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.7354.9

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 77.847α = 90
b = 77.847β = 90
c = 167.665γ = 120
Symmetry
Space GroupP 61

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2008-07-16SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X4CNSLSX4C

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
11.872599.80.0894.547411
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)
1.871.9498.50.4852.44.2

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTION1.8724.381.3547224238699.80.1710.170.229.57
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]
0.2560.256-0.513
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d16.688
f_angle_d1.483
f_chiral_restr0.078
f_bond_d0.008
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3666
Nucleic Acid Atoms
Solvent Atoms734
Heterogen Atoms54

Software

Software
Software NamePurpose
PHENIXrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling
PHASERphasing
REFMACrefinement