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ketol-acid reductoisomerase (KARI) in complex with Mg2+
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1YVE PDB entry 1YVE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 291 0.2M magnesium chloride hexahydrate, 0.1M Tris-HCl pH 8.5 and 15% (w/v) polyethylene glycol 4000, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.29 46.2
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 126.032 α = 90 b = 92.901 β = 100.58 c = 91.187 γ = 90
Symmetry Space Group C 1 2 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 IMAGE PLATE RIGAKU RAXIS IV Osmic Mirrors 2000-12-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.54
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 1.55 40.4 98.7 0.035 0.035 2.85 143459 143459
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.55 1.61 69 0.305 0.305 2.2 2 10300
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 (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 1YVE 1.55 37.16 143459 136249 7206 96 0.20307 0.20166 0.1937 0.23017 0.2224 RANDOM 21.813
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] 0.1 0.02 -0.09
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.693 r_dihedral_angle_4_deg 17.457 r_dihedral_angle_3_deg 13.291 r_dihedral_angle_1_deg 4.867 r_scangle_it 2.741 r_scbond_it 1.85 r_angle_refined_deg 1.282 r_mcangle_it 1.09 r_mcbond_it 0.734 r_nbtor_refined 0.308
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 35.693 r_dihedral_angle_4_deg 17.457 r_dihedral_angle_3_deg 13.291 r_dihedral_angle_1_deg 4.867 r_scangle_it 2.741 r_scbond_it 1.85 r_angle_refined_deg 1.282 r_mcangle_it 1.09 r_mcbond_it 0.734 r_nbtor_refined 0.308 r_nbd_refined 0.212 r_symmetry_hbond_refined 0.158 r_symmetry_vdw_refined 0.154 r_xyhbond_nbd_refined 0.122 r_chiral_restr 0.095 r_metal_ion_refined 0.095 r_bond_refined_d 0.012 r_gen_planes_refined 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 7588 Nucleic Acid Atoms Solvent Atoms 840 Heterogen Atoms 5
Software Software Software Name Purpose CrystalClear data collection EPMR phasing REFMAC refinement CrystalClear data reduction SCALEPACK data scaling