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Crystal Structure Analysis of a mutant of DIHYDRODIPICOLINATE SYNTHASE--residue thr44 to val44
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1DHP PDB ENTRY 1DHP
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 10 277 Drop contains: potassium phosphate (0.0012ml, 1.8M, pH10), N-octyl-beta-R-glucopyrandoside (0.0006ml, 6% w/v), VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties Matthews coefficient Solvent content 3.62 65.72
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 121.059 α = 90 b = 121.059 β = 90 c = 110.882 γ = 120
Symmetry Space Group P 31 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 110 IMAGE PLATE MARRESEARCH 2002-11-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.5418
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.3 50 94.3 0.093 39811
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) 2.3 2.38 87.7 0.32
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) 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 1DHP 2.3 20.99 37720 1994 100 0.17966 0.17966 0.17788 0.182 0.21343 0.2114 RANDOM 25.302
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] -0.35 -0.17 -0.35 0.52
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 6.22 r_scangle_it 2.467 r_scbond_it 1.419 r_angle_refined_deg 1.38 r_angle_other_deg 0.893 r_mcangle_it 0.884 r_mcbond_it 0.459 r_nbd_other 0.239 r_symmetry_vdw_other 0.208 r_nbd_refined 0.199
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_1_deg 6.22 r_scangle_it 2.467 r_scbond_it 1.419 r_angle_refined_deg 1.38 r_angle_other_deg 0.893 r_mcangle_it 0.884 r_mcbond_it 0.459 r_nbd_other 0.239 r_symmetry_vdw_other 0.208 r_nbd_refined 0.199 r_nbtor_other 0.153 r_symmetry_vdw_refined 0.148 r_xyhbond_nbd_refined 0.14 r_symmetry_hbond_refined 0.14 r_chiral_restr 0.079 r_bond_refined_d 0.011 r_gen_planes_other 0.006 r_gen_planes_refined 0.005 r_bond_other_d 0.002 r_dihedral_angle_2_deg r_dihedral_angle_3_deg r_dihedral_angle_4_deg r_nbtor_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_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 4312 Nucleic Acid Atoms Solvent Atoms 321 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement DENZO data reduction SCALEPACK data scaling