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Crystal structure of the aspartate aminotranferase from Rhizobium meliloti
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1J32
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 4.5 293 0.1 M Na acetate pH 4.5, 5% PEG 4K. The protein concentrations ranged from 5 mg/ml to 10 mg/ml.
Crystal Properties Matthews coefficient Solvent content 3.02 59.22
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 72.2 α = 90 b = 117.28 β = 90 c = 127.3 γ = 90
Symmetry Space Group P 21 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 ADSC QUANTUM 315 MIRRORS 2010-12-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE BM30A 0.97970 ESRF BM30A
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.9 47.75 99.8 0.107 14.64 6.43 85690
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.95 98.1 0.609 3.27 6.33
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 1J32 1.9 47.746 1.99 85621 4283 99.81 0.1539 0.1525 0.153 0.1807 0.1807
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 10.156 f_angle_d 0.859 f_chiral_restr 0.052 f_bond_d 0.006 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6071 Nucleic Acid Atoms Solvent Atoms 851 Heterogen Atoms 58
Software Software Software Name Purpose PHENIX refinement XDS data reduction XDS data scaling PHASER phasing