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CRYSTAL STRUCTURE OF AVIAN ATIC, A BIFUNCTIONAL TRANSFORMYLASE AND CYCLOHYDROLASE ENZYME IN PURINE BIOSYNTHESIS AT 1.75 ANG. RESOLUTION
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.2 295 PEG 8000, imidazole-HCl and DTT, pH 7.2, VAPOR DIFFUSION, SITTING DROP at 295K
Crystal Properties Matthews coefficient Solvent content 2.61 52.92
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 65.1 α = 90 b = 106 β = 108 c = 103.5 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 93 CCD ADSC QUANTUM 4 1999-02-03 M MAD
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 5.0.2 0.9799, 0.9801, 0.9648 ALS 5.0.2
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 87.9 0.058 15.8 2 229603 229603 -3 15.9
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) 1.75 1.78 47.3 0.475 2.4 2
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 1.75 50 119759 11992 89.1 0.1996 0.2164 RANDOM 19.2
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] -0.8 -0.09 2.97 -2.17
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 22.3 c_scangle_it 2.12 c_scbond_it 1.41 c_angle_deg 1.3 c_mcangle_it 1.3 c_improper_angle_d 0.81 c_mcbond_it 0.79 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 9025 Nucleic Acid Atoms Solvent Atoms 744 Heterogen Atoms 26
Software Software Software Name Purpose SOLVE phasing SHARP phasing ARP/wARP model building CNS refinement Adxv data processing DENZO data reduction SCALEPACK data scaling