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Unliganded structure of Hexamutant + A293D mutant of E. coli aspartate aminotransferase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1AHE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.5 294 potassium phosphate, PLP, EDTA, DTT, PEG 400, N-methylmorpholine, ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 2.97 59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 85.713 α = 90 b = 152.865 β = 90 c = 79.117 γ = 90
Symmetry Space Group C 2 2 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 CCD ADSC QUANTUM 210 2003-10-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.12 ALS 8.3.1
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 2 50 99 0.055 23.5 4.4 35904 35904
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 2 2.06 91.7 0.338 2 2.9 3259
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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1AHE 2 30 33481 33481 1767 99.34 0.17906 0.17906 0.17783 0.1813 0.20213 0.2127 RANDOM 33.8
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] 0.96 -2.55 1.59
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.407 r_dihedral_angle_4_deg 24.13 r_dihedral_angle_3_deg 19.424 r_dihedral_angle_1_deg 6.333 r_scangle_it 3.487 r_scbond_it 2.3 r_angle_refined_deg 1.309 r_mcangle_it 1.216 r_mcbond_it 0.75 r_nbtor_refined 0.313
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.407 r_dihedral_angle_4_deg 24.13 r_dihedral_angle_3_deg 19.424 r_dihedral_angle_1_deg 6.333 r_scangle_it 3.487 r_scbond_it 2.3 r_angle_refined_deg 1.309 r_mcangle_it 1.216 r_mcbond_it 0.75 r_nbtor_refined 0.313 r_nbd_refined 0.258 r_symmetry_vdw_refined 0.176 r_symmetry_hbond_refined 0.155 r_xyhbond_nbd_refined 0.143 r_chiral_restr 0.108 r_bond_refined_d 0.011 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_other r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3089 Nucleic Acid Atoms Solvent Atoms 174 Heterogen Atoms 5
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction SCALEPACK data scaling AMoRE phasing