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Double mutant (A16V+S108T) Plasmodium falciparum dihydrofolate reductase-thymidylate synthase (PfDHFR-TS-T9/94) complexed with pyrimethamine, NADPH, and dUMP
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1J3I
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 EVAPORATION 4.6 297 0.1mM SODIUM ACETATE, 25% (W/V) PEG 4000, 0.2M AMMONIUM ACETATE, PH 4.6, EVAPORATION, temperature 297K
Crystal Properties Matthews coefficient Solvent content 2.52 51.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 56.529 α = 90 b = 155.119 β = 90 c = 165.257 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 Nonius Kappa CCD 2010-09-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE ENRAF-NONIUS FR591 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 2.4 30 57153 35.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1j3i 2.4 28.28 57048 2885 98.6 0.202 0.202 0.2012 0.254 0.2037 RANDOM 46.9
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] 9.24 -0.07 -9.17
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.9 c_scangle_it 2.77 c_mcangle_it 2.43 c_scbond_it 1.87 c_mcbond_it 1.41 c_angle_deg 1.4 c_improper_angle_d 0.72 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.9 c_scangle_it 2.77 c_mcangle_it 2.43 c_scbond_it 1.87 c_mcbond_it 1.41 c_angle_deg 1.4 c_improper_angle_d 0.72 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9056 Nucleic Acid Atoms Solvent Atoms 781 Heterogen Atoms 170
Software Software Software Name Purpose HKL-2000 data collection AMoRE phasing CNS refinement DENZO data reduction SCALEPACK data scaling