4YDQ

Crystal Structure of Prolyl-tRNA Synthetase (PRS) from Plasmodium falciparum in complex with Halofuginone and AMPPNP


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4TWA 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.52930.1 M Bis-Tris pH 6.5, 2 % (v/v) Tacsimate pH 5.0 and 12 % (w/v) Polyethylene glycol 3,350.
Crystal Properties
Matthews coefficientSolvent content
2.6753.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 81.026α = 90
b = 88.929β = 96.71
c = 86.295γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plateVari Max HR2014-08-08MSINGLE 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)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
12.35099.50.0910.25.85408535.93
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)
12.32.34950.5015.12563

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE4TWA2.327.821.3453965273799.250.18620.18370.2324Random selection44.78
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
f_dihedral_angle_d15.626
f_angle_d1.275
f_chiral_restr0.047
f_bond_d0.01
f_plane_restr0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7735
Nucleic Acid Atoms
Solvent Atoms333
Heterogen Atoms112

Software

Software
Software NamePurpose
HKL-2000data scaling
HKL-2000data reduction
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction