3LC0

Histidyl-tRNA synthetase from Trypanosoma cruzi (Histidine complex)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION5.52930.2 M Lithium Sulfate, 26% PEG 3350, 0.1 M Bis/Tris pH 5.5, 1mM TCEP, 10 mM L-Histidine, vapor diffusion, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4349.39

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 90.03α = 90
b = 118.84β = 132.57
c = 65.98γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2009-08-09SINGLE 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 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
11.84899.850.04214.00653.78471304713033
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)
11.81.999.850.643.756847

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONprevious isomorphous structure1.834.10847123237499.8220.19260.211214.857
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]
1.6711.391-0.9481.159
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.724
r_dihedral_angle_4_deg18.789
r_dihedral_angle_3_deg15.603
r_dihedral_angle_1_deg5.733
r_scangle_it3.114
r_scbond_it1.856
r_angle_refined_deg1.264
r_mcangle_it1.137
r_mcbond_it0.611
r_chiral_restr0.089
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.724
r_dihedral_angle_4_deg18.789
r_dihedral_angle_3_deg15.603
r_dihedral_angle_1_deg5.733
r_scangle_it3.114
r_scbond_it1.856
r_angle_refined_deg1.264
r_mcangle_it1.137
r_mcbond_it0.611
r_chiral_restr0.089
r_bond_refined_d0.011
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3248
Nucleic Acid Atoms
Solvent Atoms178
Heterogen Atoms11

Software

Software
Software NamePurpose
SCALAdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
MOSFLMdata reduction