X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3P0HPDB entry 3P0H

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP277equal volumes SeMet protein solution (24 mg/ml LmTyrRS in MSGPP buffer containing 5 mM DTT and 10 mM tyrosinol) and well solution (25% PEG 3350, 0.1 M tri-sodium citrate pH 5.5, 10 mM Ferric III Chloride); cryoprotected by addition of 26% PEG 3350, 8% MSGPP buffer, 8% ethylene glycol, 20% glycerol and 0.09 M tri-sodium citrate pH 5.5 directly to drop prior to mounting and freezing crystals in liquid nitrogen, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
3.867.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 241.4α = 90
b = 241.4β = 90
c = 241.4γ = 90
Symmetry
Space GroupI 2 3

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 325 mm CCD2010-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.97908SSRLBL9-2

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
13.1385.3599.930.1827.33317.984125383
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)
13.133.399.820.0146.96

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB entry 3P0H3.1385.3541212206299.810.24090.23950.2679RANDOM122.862
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
r_dihedral_angle_2_deg36.921
r_dihedral_angle_4_deg19.718
r_dihedral_angle_3_deg18.697
r_dihedral_angle_1_deg5.945
r_angle_refined_deg1.162
r_angle_other_deg0.925
r_chiral_restr0.065
r_bond_refined_d0.01
r_gen_planes_refined0.005
r_bond_other_d0.002
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.921
r_dihedral_angle_4_deg19.718
r_dihedral_angle_3_deg18.697
r_dihedral_angle_1_deg5.945
r_angle_refined_deg1.162
r_angle_other_deg0.925
r_chiral_restr0.065
r_bond_refined_d0.01
r_gen_planes_refined0.005
r_bond_other_d0.002
r_gen_planes_other0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms9278
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms24

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
Blu-Icedata collection
REFMACphasing