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CRYSTAL STRUCTURE OF THE HOMODIMERIC BIFUNCTIONAL TRANSFORMYLASE AND CYCLOHYDROLASE ENZYME AVIAN ATIC IN COMPLEX WITH A MULTISUBSTRATE ADDUCT INHIBITOR BETA-DADF.
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1G8M
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7 298 13% (w/v) PEG 8000, 0.2M imidazole, pH 7.0 and 5mM DTT, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.3 45.46
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.41 α = 90 b = 108.1 β = 91.92 c = 102.36 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 95 CCD ADSC QUANTUM 4 Flat mirror (vertical focusing); single crystal Si(311) bent monochromator (horizontal focusing) 1998-03-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 0.98 SSRL BL9-1
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 2.5 50 92.5 0.055 14 2.1 39623 39623 36.4
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) 2.5 2.54 85.8 0.424 1.8 1.9 1825
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (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 1G8M 2.5 50 38094 38094 3554 92.1 0.217 0.2151 0.269 0.267 random 46.89
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] -1.35 1.55 12.99 -11.64
RMS Deviations Key Refinement Restraint Deviation x_torsion_deg 22 x_scangle_it 2.033 x_mcangle_it 1.734 x_angle_deg 1.4 x_scbond_it 1.324 x_torsion_impr_deg 1.03 x_mcbond_it 1.024 x_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9022 Nucleic Acid Atoms Solvent Atoms 378 Heterogen Atoms 126
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling EPMR phasing CNS refinement