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Crystal Structure of Substrate Complex of Putative Pteridine Reductase 2 (PTR2) from Trypanosoma cruzi
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1MXF INHIBITOR COMPLEX SOLVED BY MAD METHOD (PDBID 1MXF)
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 6.5 293 Sodium acetate, cacodylate buffer, pH 6.50, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.3 46.7
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 74.61 α = 90 b = 74.61 β = 90 c = 181.26 γ = 120
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 103 CCD MARRESEARCH MIRRORS 2000-12-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 17-ID APS 17-ID
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 1.77 36 79.8 0.025 12.4 1.9 87817 17.7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT INHIBITOR COMPLEX SOLVED BY MAD METHOD (PDBID 1MXF) 2.2 19.45 1 55984 55590 2799 97.2 0.205 0.205 0.2073 0.251 0.2548 RANDOM 31.1
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] -0.36 2.45 -0.36 0.72
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.5 c_scangle_it 3.1 c_scbond_it 2.18 c_mcangle_it 2.06 c_angle_deg 1.32 c_mcbond_it 1.32 c_improper_angle_d 0.87 c_bond_d 0.007 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.5 c_scangle_it 3.1 c_scbond_it 2.18 c_mcangle_it 2.06 c_angle_deg 1.32 c_mcbond_it 1.32 c_improper_angle_d 0.87 c_bond_d 0.007 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 7380 Nucleic Acid Atoms Solvent Atoms 457 Heterogen Atoms 308
Software Software Software Name Purpose HKL-2000 data collection X-GEN data reduction AMoRE phasing CNS refinement HKL-2000 data reduction X-GEN data scaling