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The glutamine synthetase from the dicotyledonous plant M. truncatula is a decamer
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2D3A PDB ENTRY 2D3A
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.4 287 0.12 M triammonium citrate, 9.2% PEG3350, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 287K
Crystal Properties Matthews coefficient Solvent content 2.22 44.62
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.335 α = 90 b = 101.672 β = 103.69 c = 188.084 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 100 CCD ADSC QUANTUM 4 2006-02-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-2 0.933 ESRF ID14-2
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 2.35 101 99 0.077 19.2 6.3 149655
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 2.35 2.48 96.8 0.338 4 5.6
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) 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 PDB ENTRY 2D3A 2.35 96.511 1.34 149449 7518 98.69 0.1767 0.1746 0.1779 0.2166 0.2174 RANDOM
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 f_dihedral_angle_d 12.797 f_angle_d 1.165 f_chiral_restr 0.07 f_bond_d 0.008 f_plane_restr 0.006
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 23940 Nucleic Acid Atoms Solvent Atoms 969 Heterogen Atoms
Software Software Software Name Purpose ADSC data collection PHASER phasing PHENIX refinement MOSFLM data reduction SCALA data scaling