X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherT. cruzi Histidyl-tRNA synthetase

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.32932 M Lithium Sulfate, 0.1 M HEPES pH 7.3, 1mM TCEP, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
358.96

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 148.61α = 90
b = 98.38β = 90.33
c = 251.969γ = 90
Symmetry
Space GroupI 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2009-04-22SINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-20.97923SSRLBL9-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.7128.3221000.16663.89998461

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 DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTT. cruzi Histidyl-tRNA synthetase2.853585073422599.980.2740.2720.313RANDOM20
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]
0.65-0.72-2.251.59
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.115
r_dihedral_angle_3_deg18.193
r_dihedral_angle_4_deg15.049
r_dihedral_angle_1_deg6.023
r_angle_refined_deg1.173
r_angle_other_deg0.875
r_chiral_restr0.064
r_bond_refined_d0.01
r_gen_planes_refined0.005
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.115
r_dihedral_angle_3_deg18.193
r_dihedral_angle_4_deg15.049
r_dihedral_angle_1_deg6.023
r_angle_refined_deg1.173
r_angle_other_deg0.875
r_chiral_restr0.064
r_bond_refined_d0.01
r_gen_planes_refined0.005
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms18069
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

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