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Crystal structure of truncated alpha-Isopropylmalate Synthase from Neisseria meningitidis
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1SR9 PDB entry 1SR9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 291 0.2M Mg acetate, 20% MPEG 3350, VAPOR DIFFUSION, SITTING DROP, temperature 18K, temperature 291K
Crystal Properties Matthews coefficient Solvent content 1.95 36.86
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.296 α = 90 b = 103.581 β = 90 c = 129.937 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 100 CCD ADSC QUANTUM 315r 2010-02-18 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON AUSTRALIAN SYNCHROTRON BEAMLINE MX2 0.95460 Australian Synchrotron MX2
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.8 21.81 97 56627 56515
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.9 1.95 96.3 0.01191 1.1 4.1 8096
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) 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 1SR9 1.95 21.81 3 46485 44041 2347 99.83 0.15994 0.15994 0.15824 0.1578 0.19052 0.1902 RANDOM 22.077
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] -0.15 0.02 0.14
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.108 r_dihedral_angle_4_deg 18.461 r_dihedral_angle_3_deg 13.622 r_dihedral_angle_1_deg 6.213 r_angle_refined_deg 1.445 r_chiral_restr 0.103 r_bond_refined_d 0.017 r_gen_planes_refined 0.007 r_bond_other_d r_angle_other_deg
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.108 r_dihedral_angle_4_deg 18.461 r_dihedral_angle_3_deg 13.622 r_dihedral_angle_1_deg 6.213 r_angle_refined_deg 1.445 r_chiral_restr 0.103 r_bond_refined_d 0.017 r_gen_planes_refined 0.007 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_it r_mcbond_other r_mcangle_it r_scbond_it r_scangle_it r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4640 Nucleic Acid Atoms Solvent Atoms 332 Heterogen Atoms 34
Software Software Software Name Purpose ADSC data collection BALBES phasing REFMAC refinement XDS data reduction SCALA data scaling