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Structure of wild-type E. coli Aspartate Transcarbamoylase in the presence of N-phosphonacetyl-L-isoasparagine at 2.3A resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1D09
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 MICRODIALYSIS 5.7 293 50 mM Maleic acid, 3 mM sodium azide, 1 mM N-phosphonacetyl-L-isoasparagine, pH 5.7, MICRODIALYSIS, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.13 60.76
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 120.32 α = 90 b = 120.32 β = 90 c = 154.51 γ = 120
Symmetry Space Group P 3 2 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 IMAGE PLATE RIGAKU RAXIS V 2005-05-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU RU200 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 2.3 28.41 99.9 0.097 12.1 7.53 57958 57850
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 2.3 2.39 100 0.398 4.7 7.52 5054
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-Factor (All) R-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1D09 2.3 28.41 57850 51061 5876 99.8 0.206 0.206 0.206 0.2234 0.25 Random 42.288
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] -1.673 -5.638 -1.673 3.347
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 2.733 c_mcangle_it 2.243 c_scbond_it 1.843 c_mcbond_it 1.337 c_angle_d 1.307 c_bond_d 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7098 Nucleic Acid Atoms Solvent Atoms 477 Heterogen Atoms 34
Software Software Software Name Purpose d*TREK data scaling CNS refinement PDB_EXTRACT data extraction CNS phasing