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Crystal structure of a trypanocidal 4,4'-Bis(imidazolinylamino)diphenylamine bound to DNA
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ZTW PDB entry 1ZTW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 293 PEG 4000, Magnesium acetate, ADA pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.7 54.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 53.743 α = 90 b = 145.592 β = 90 c = 46.57 γ = 90
Symmetry Space Group P 21 21 2
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 ADSC QUANTUM 315 Rosenbaum-Rock vertical focusing mirror, LN2 cooled first crystal, sagital focusing 2nd crystal 2006-11-20 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 19-ID 1.008001 APS 19-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 1.75 50 95 0.045 24.677 4.6 35935
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.75 1.81 94.6 0.355 3.9 3510
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT PDB entry 1ZTW 1.75 50 34619 1727 91.6 0.231 0.2363 0.254 32.116
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] -5.807 3.138 2.669
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.849 c_mcangle_it 2.177 c_scbond_it 1.866 c_mcbond_it 1.369 c_angle_deg 1.263 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1982 Nucleic Acid Atoms 325 Solvent Atoms 228 Heterogen Atoms 45
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CNS refinement PDB_EXTRACT data extraction HKL-2000 data collection PHASER phasing