3H9C

Structure of methionyl-tRNA synthetase: crystal form 2


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.1279Ammonium citrate, pH 7.1, VAPOR DIFFUSION, SITTING DROP, temperature 279K
Crystal Properties
Matthews coefficientSolvent content
2.3647.87

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 78.89α = 90
b = 45.4β = 107.3
c = 86.21γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42009-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSOLEIL BEAMLINE PROXIMA 10.980SOLEILPROXIMA 1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.45094.70.0570.05711.43.1109028109028-319.108
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.41.590.10.30.32.91.819290

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB entry 3H971.429.54109028656594.720.1670.1650.19115.238
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]
1.689-0.2070.275-1.963
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d17.681
f_angle_d1.055
f_chiral_restr0.072
f_bond_d0.006
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4375
Nucleic Acid Atoms
Solvent Atoms1048
Heterogen Atoms14

Software

Software
Software NamePurpose
PHENIXrefinement
CNSrefinement
XSCALEdata scaling
PDB_EXTRACTdata extraction
ADSCdata collection
XDSdata reduction
CNSphasing