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Crystal Structure of the apo form of E. coli tryptophanase at 1.9 A resolution
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 293 30% PEG 400, 100mM HEPES, 100 mM magnesium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2.9 57.59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 118.422 α = 90 b = 120.116 β = 90 c = 171.209 γ = 90
Symmetry Space Group F 2 2 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 IMAGE PLATE MAR scanner 345 mm plate osmic mirrors 2003-01-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU300 1.5418
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 1.9 15 95.4 0.07 42.54 3.3 88583 20.9
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 1.9 1.97 99.3 0.31 4.25 3.2 9268
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-Factor (All) 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 1.9 14.82 88583 2631 95.4 0.21 0.21 0.203 0.1931 0.232 0.2234 RANDOM 27
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] 0.56 2.66 -3.22
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 21.7 c_scangle_it 2.76 c_scbond_it 1.93 c_mcangle_it 1.61 c_angle_deg 1.2 c_mcbond_it 1.09 c_improper_angle_d 0.77 c_bond_d 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3670 Nucleic Acid Atoms Solvent Atoms 364 Heterogen Atoms 17
Software Software Software Name Purpose CNS refinement PDB_EXTRACT data extraction MAR345 data collection HKL-2000 data reduction SCALEPACK data scaling REFMAC refinement