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Joint X-ray/neutron structure of aspartate aminotransferase with alpha-methyl-aspartate at pH 7.5
NEUTRON DIFFRACTION - X-RAY DIFFRACTION
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 BATCH MODE 7.5 277.15 40mM sodium acetate
8% PEG 6000
Crystal Properties Matthews coefficient Solvent content 2.43 49.45
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 55.532 α = 90 b = 124.986 β = 90 c = 130.444 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 293 IMAGE PLATE RIGAKU RAXIS IV++ 2016-12-07 M SINGLE WAVELENGTH 2 1 neutron 293 IMAGE PLATE MARRESEARCH 2016-12-13 L LAUE
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU MICROMAX-007 HF 1.54178 2 NUCLEAR REACTOR ILL BEAMLINE H142 3.6 - 4.7 ILL H142
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) 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 40 95.5 0.031 28.3 6.3 62791
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Rrim I (All) Rpim I (All) CC (Half) R Split (All) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.2 2.32 0.47 2.9
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (I) Cut-off Sigma (F) 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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION 2 39.56 62212 55493 2794 89.2 0.197 0.1888 0.221 0.2097 29.28 NEUTRON DIFFRACTION 2.21 39.56 46171 32558 1623 70.5 0.234 0.257 29.28
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 x_torsion_deg 27.9 x_torsion_impr_deg 1.8 x_angle_deg 1.1 x_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6563 Nucleic Acid Atoms Solvent Atoms 238 Heterogen Atoms 25
Software Software Software Name Purpose nCNS refinement