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Maleic acid-bound structure of SRHEPT mutant of E. coli aspartate aminotransferase
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1ASM PDB Entry 1ASM
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, maleic acid, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K
Crystal Properties Matthews coefficient Solvent content 3.02 59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 140.142 α = 90 b = 140.142 β = 90 c = 81.075 γ = 120
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 2003-12-15 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 1.85 50 99.9 0.039 30.5 5.3 77194 77194
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 1.85 1.92 99.9 0.305 3.3 4.1 7675
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 PDB Entry 1ASM 1.85 30 73288 73288 3876 99.86 0.1957 0.1957 0.19405 0.1947 0.22669 0.2254 RANDOM 24.487
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] 0.89 0.45 0.89 -1.34
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.817 r_dihedral_angle_4_deg 20.647 r_dihedral_angle_3_deg 17.649 r_dihedral_angle_1_deg 6.249 r_scangle_it 3.893 r_scbond_it 2.558 r_mcangle_it 1.422 r_angle_refined_deg 1.404 r_mcbond_it 0.907 r_nbtor_refined 0.313
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 32.817 r_dihedral_angle_4_deg 20.647 r_dihedral_angle_3_deg 17.649 r_dihedral_angle_1_deg 6.249 r_scangle_it 3.893 r_scbond_it 2.558 r_mcangle_it 1.422 r_angle_refined_deg 1.404 r_mcbond_it 0.907 r_nbtor_refined 0.313 r_symmetry_vdw_refined 0.266 r_nbd_refined 0.259 r_xyhbond_nbd_refined 0.141 r_chiral_restr 0.136 r_symmetry_hbond_refined 0.134 r_bond_refined_d 0.012 r_gen_planes_refined 0.007 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 6164 Nucleic Acid Atoms Solvent Atoms 283 Heterogen Atoms 16
Software Software Software Name Purpose REFMAC refinement HKL-2000 data reduction SCALEPACK data scaling AMoRE phasing