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Quadruple mutant (N51I+C59R+S108N+I164L) plasmodium falciparum dihydrofolate reductase-thymidylate synthase (PfDHFR-TS) complexed with C452 (compound 16) and NADPH
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4DP3
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICROBATCH 298 0.1M sodium acetate, pH 4.6, 0.2M ammonium acetate, 25% PEG 4000
Crystal Properties Matthews coefficient Solvent content 2.56 51.99
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.277 α = 90 b = 156.483 β = 90 c = 164.449 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 2003-10-09 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) CC (Half) 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 10 99.1 0.994 15.7 5.7 58202
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.4 2.47 0.616
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 (All) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT NONE 4DP3 2.4 10 55641 2781 94.605 0.174 0.1728 0.2026 0.1751 45.957
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] 2.96 -1.008 -1.951
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.812 r_dihedral_angle_4_deg 19.477 r_dihedral_angle_3_deg 17.129 r_lrange_it 8.779 r_lrange_other 8.779 r_dihedral_angle_1_deg 7.797 r_scangle_it 5.882 r_scangle_other 5.882 r_mcangle_it 5.55 r_mcangle_other 5.549
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.812 r_dihedral_angle_4_deg 19.477 r_dihedral_angle_3_deg 17.129 r_lrange_it 8.779 r_lrange_other 8.779 r_dihedral_angle_1_deg 7.797 r_scangle_it 5.882 r_scangle_other 5.882 r_mcangle_it 5.55 r_mcangle_other 5.549 r_scbond_it 3.844 r_scbond_other 3.843 r_mcbond_it 3.655 r_mcbond_other 3.655 r_angle_refined_deg 1.696 r_chiral_restr_other 1.326 r_angle_other_deg 1.268 r_symmetry_xyhbond_nbd_refined 0.278 r_xyhbond_nbd_refined 0.249 r_nbd_other 0.244 r_nbd_refined 0.21 r_symmetry_nbd_other 0.194 r_symmetry_nbd_refined 0.194 r_nbtor_refined 0.176 r_symmetry_xyhbond_nbd_other 0.176 r_symmetry_nbtor_other 0.079 r_chiral_restr 0.077 r_bond_refined_d 0.01 r_gen_planes_refined 0.008 r_gen_planes_other 0.002 r_bond_other_d 0.001
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9036 Nucleic Acid Atoms Solvent Atoms 708 Heterogen Atoms 188
Software Software Software Name Purpose REFMAC refinement DENZO data reduction HKL-2000 data scaling MOLREP phasing