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Crystal Structure of Prolyl-tRNA synthetase (ProRS, Proline--tRNA ligase) from Plasmodium falciparum in complex with Halofuginone and AMPPNP in space group P212121 at 2.35 A
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4OLF
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 289 Protein incubated with 4mM each of AMPPnP, halofuginone, B-ME, and MgCl2 for ~5min, then added 1 to 1 with Wiz1/2(a10): 20% PEG-2000 MME, 0.1M Tris base/HCl, pH=7.0, cryoprotected with 20%EG, VAPOR DIFFUSION, SITTING DROP, temperature 289K
Crystal Properties Matthews coefficient Solvent content 2.13 42.16
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 76.58 α = 90 b = 78.09 β = 90 c = 167.82 γ = 90
Symmetry Space Group P 21 21 21
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 CCD MARMOSAIC 300 mm CCD Beryllium Lenses 2014-03-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 21-ID-G 0.97857 APS 21-ID-G
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot 1 2.35 50 99.6 0.064 19.82 5.1 42793 42603 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.35 2.41 99.9 0.547 3.24
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 4OLF 2.35 37.331 1.34 44627 42514 2113 99.54 0.1962 0.195 0.1974 0.219 0.2206 44.51
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 Key Refinement Restraint Deviation f_dihedral_angle_d 14.746 f_angle_d 0.757 f_chiral_restr 0.029 f_plane_restr 0.004 f_bond_d 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7190 Nucleic Acid Atoms Solvent Atoms 273 Heterogen Atoms 124
Software Software Software Name Purpose XSCALE data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction