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LIGAND INDUCED CONFORMATIONAL CHANGES IN THE CRYSTAL STRUCTURES OF PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COMPLEXES WITH FOLATE AND NADP+
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1DYR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6 10 ML PROTEIN, 1 MICROLITER 50MM MES, PH 6.5, 100MM KCL, 9 ML 50%(W/W)PEG 2K., pH 6.00
Crystal Properties Matthews coefficient Solvent content 2.06 40.38
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 37.465 α = 90 b = 43.131 β = 94.76 c = 61.306 γ = 90
Symmetry Space Group P 1 21 1
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 287 IMAGE PLATE RIGAKU RAXIS II 1994-08-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200
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 1.94 8 84.7 0.086 3.09 10428 2
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.18 2.2 90.3 0.052 33.3 2.6 3.6
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1DYR 2.2 8 2 10428 96.1 0.198 23.78
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 Key Refinement Restraint Deviation p_transverse_tor 21.6 p_staggered_tor 21.3 p_planar_tor 3.1 p_mcangle_it 1.586 p_scangle_it 1.527 p_mcbond_it 1.06 p_scbond_it 0.936 p_multtor_nbd 0.271 p_xyhbond_nbd 0.27 p_singtor_nbd 0.243
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 21.6 p_staggered_tor 21.3 p_planar_tor 3.1 p_mcangle_it 1.586 p_scangle_it 1.527 p_mcbond_it 1.06 p_scbond_it 0.936 p_multtor_nbd 0.271 p_xyhbond_nbd 0.27 p_singtor_nbd 0.243 p_chiral_restr 0.24 p_planar_d 0.07 p_angle_d 0.066 p_bond_d 0.027 p_plane_restr 0.019 p_angle_deg p_hb_or_metal_coord p_xhyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1686 Nucleic Acid Atoms Solvent Atoms 74 Heterogen Atoms 80
Software Software Software Name Purpose PROLSQ refinement SCALEPACK data scaling