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CATALYTIC TRIMER OF ESCHERICHIA COLI ASPARTATE TRANSCARBAMOYLASE
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 8ATC PBD ENTRY 8ATC
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.8 pH 7.8
Crystal Properties Matthews coefficient Solvent content 2.37 48.01
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 56.12 α = 90 b = 82.54 β = 90 c = 210.52 γ = 90
Symmetry Space Group P 21 21 21
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 1998-11-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 SSRL BL9-1
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 1.88 20 99.6 0.087 11.4 4.1 80183
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.88 1.96 99.6 2.9 2.5
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 MOLECULAR REPLACEMENT THROUGHOUT PBD ENTRY 8ATC 1.88 20 76129 3971 94.6 0.19 0.291 EVERY 20TH REFLECTION
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]
RMS Deviations Key Refinement Restraint Deviation t_dihedral_angle_d 16.65 t_it 14 t_angle_deg 1.85 t_nbd 0.02 t_gen_planes 0.015 t_trig_c_planes 0.01 t_bond_d 0.008 t_incorr_chiral_ct t_pseud_angle
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6809 Nucleic Acid Atoms Solvent Atoms 789 Heterogen Atoms 2
Software Software Software Name Purpose AMoRE phasing TNT refinement MOSFLM data reduction CCP4 data scaling