4YRJ

Crystal structure of T. cruzi Histidyl-tRNA synthetase in complex with 4-chlorobenzene-1,2-diamine (Chem 256)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3LC0 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP2980.2 M ammonium sulfate, 23 % to 28 % PEG 3350, 0.1 M sodium citrate pH 4.8 to 5.3, 1 mM TCEP
Crystal Properties
Matthews coefficientSolvent content
2.550.82

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.875α = 90
b = 119.306β = 92.61
c = 66.23γ = 90
Symmetry
Space GroupI 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU SATURN 9442013-02-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-0071.54

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)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
12.329.8397.20.0840.0510.9978.73.721706
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.3889.20.6580.410.6811.73.51972

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 REPLACEMENTTHROUGHOUT3LC02.329.8320575112797.020.20670.20470.2453RANDOM59.207
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]
1.440.930.14-1.66
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.032
r_dihedral_angle_4_deg14.802
r_dihedral_angle_3_deg14.089
r_dihedral_angle_1_deg5.345
r_mcangle_it1.493
r_angle_refined_deg1.038
r_mcbond_it0.928
r_mcbond_other0.927
r_angle_other_deg0.71
r_chiral_restr0.054
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.032
r_dihedral_angle_4_deg14.802
r_dihedral_angle_3_deg14.089
r_dihedral_angle_1_deg5.345
r_mcangle_it1.493
r_angle_refined_deg1.038
r_mcbond_it0.928
r_mcbond_other0.927
r_angle_other_deg0.71
r_chiral_restr0.054
r_bond_refined_d0.006
r_gen_planes_refined0.004
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3189
Nucleic Acid Atoms
Solvent Atoms101
Heterogen Atoms47

Software

Software
Software NamePurpose
DENZOdata reduction
Aimlessdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
REFMACphasing