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Structural studies on the synchronization of catalytic centers in glutamate synthase: reduced enzyme
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1LLW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 277 PEG4000, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 4.65 73.53
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 166.996 α = 90 b = 166.996 β = 90 c = 221.027 γ = 90
Symmetry Space Group P 43 21 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 CCD MARRESEARCH 2001-11-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 0.9 ESRF ID14-2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 3 50 97.1 0.093 0.093 5.7 2.9 62124 62124
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3 3.16 97.1 0.363 0.363 2.9 2.9 8910
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 FOURIER SYNTHESIS THROUGHOUT 1LLW 3 129.1 59419 59419 1528 96.57 0.2178 0.21788 0.21656 0.2131 0.26939 RANDOM 34.021
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] 2.45 2.45 -4.91
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 26.356 r_dihedral_angle_1_deg 8.926 r_scangle_it 4.713 r_scbond_it 2.793 r_angle_refined_deg 2.048 r_mcangle_it 1.725 r_mcbond_it 0.887 r_symmetry_vdw_refined 0.365 r_nbd_refined 0.314 r_xyhbond_nbd_refined 0.218
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 26.356 r_dihedral_angle_1_deg 8.926 r_scangle_it 4.713 r_scbond_it 2.793 r_angle_refined_deg 2.048 r_mcangle_it 1.725 r_mcbond_it 0.887 r_symmetry_vdw_refined 0.365 r_nbd_refined 0.314 r_xyhbond_nbd_refined 0.218 r_chiral_restr 0.148 r_symmetry_hbond_refined 0.128 r_bond_refined_d 0.018 r_gen_planes_refined 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 11311 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 38
Software Software Software Name Purpose MOSFLM data reduction SCALA data scaling AMoRE phasing REFMAC refinement CCP4 data scaling