3R3H

Crystal structure of O-methyltransferase from Legionella pneumophila


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP8.52980.2M Li2SO4, 0.1M Tris pH 8.5, 20% PEG4000, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.3347.29

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.254α = 90
b = 52.254β = 90
c = 659.278γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315mirrors2010-11-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X250.9791NSLSX25

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
12.655099.80.09525.6172671726728.8
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)
2.652.741000.42321.81649

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 DIFFRACTIONSADTHROUGHOUTNone2.6545.25172671695352198.60.2650.2650.29RANDOM47.6
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]
11.0110.6811.01-22.03
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.2
c_angle_deg1.6
c_improper_angle_d0.85
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3444
Nucleic Acid Atoms
Solvent Atoms8
Heterogen Atoms

Software

Software
Software NamePurpose
CBASSdata collection
SHELXDphasing
SHARPphasing
ARP/wARPmodel building
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling