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TERNARY COMPLEX OF THYMIDYLATE SYNTHASE FROM PNEUMOCYSTIS CARINII
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model Other unpublished C. neoformans Thymidylate Synthase structure
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.4 100 UM ENZYME, 2 MM DUMP, 2 MM CB3717, 1 MM DTT OVER 14.5 % PEG 8000, 0.25 M (
NH4)2SO4, 5 MM DTT, 0.1 M TRIS, PH 7.4
Crystal Properties Matthews coefficient Solvent content 2.3 42
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.16 α = 90 b = 178.76 β = 90 c = 54.05 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 IMAGE PLATE MARRESEARCH MIRROR 1993-03-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 SSRL BL7-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 2.6 50 82 12.7 5.9 3 15344 19
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.6 2.69 69.3 29.9 2.06 2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT C. NEOFORMANS TS 2.6 50 2 15344 1518 75.3 0.221 0.221 0.294 RANDOM 23
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] 4.23 7.49 -11.6
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.8 c_scangle_it 4.42 c_mcangle_it 3.43 c_scbond_it 2.94 c_mcbond_it 2.1 c_angle_deg 1.8 c_improper_angle_d 0.99 c_bond_d 0.01 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 23.8 c_scangle_it 4.42 c_mcangle_it 3.43 c_scbond_it 2.94 c_mcbond_it 2.1 c_angle_deg 1.8 c_improper_angle_d 0.99 c_bond_d 0.01 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 4754 Nucleic Acid Atoms Solvent Atoms 196 Heterogen Atoms 75
Software Software Software Name Purpose X-PLOR model building CNS refinement DENZO data reduction SCALEPACK data scaling X-PLOR phasing