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Crystal Structure of Homoserine O-acetyltransferase (metA) from Bacillus Cereus with Homoserine
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2GHR PDB ENTRY 2GHR
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8 1.6M AMMONIUM SULFATE, 0.1 M TRIS, PH 8, 10MM HOMOSERINE
Crystal Properties Matthews coefficient Solvent content 2.5 49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 96.39 α = 90 b = 96.39 β = 90 c = 75.58 γ = 90
Symmetry Space Group P 41 2 2
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 2007-01-13 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL9-1 SSRL BL9-1
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 2 100 93 0.11 16.85 6 22903 -3
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 2 2.12 99.5 0.51 2.59 7
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 (Observed) R-Work (Depositor) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 2GHR 2 19.47 21729 1144 100 0.201 0.199 0.246 0.2454 RANDOM 26.85
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] 0.59 0.59 -1.18
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.739 r_dihedral_angle_4_deg 14.797 r_dihedral_angle_3_deg 14.225 r_dihedral_angle_1_deg 5.724 r_scangle_it 3.697 r_scbond_it 2.53 r_mcangle_it 1.669 r_mcbond_it 1.017 r_angle_refined_deg 0.987 r_nbtor_refined 0.3
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 31.739 r_dihedral_angle_4_deg 14.797 r_dihedral_angle_3_deg 14.225 r_dihedral_angle_1_deg 5.724 r_scangle_it 3.697 r_scbond_it 2.53 r_mcangle_it 1.669 r_mcbond_it 1.017 r_angle_refined_deg 0.987 r_nbtor_refined 0.3 r_symmetry_hbond_refined 0.183 r_nbd_refined 0.173 r_symmetry_vdw_refined 0.154 r_xyhbond_nbd_refined 0.119 r_chiral_restr 0.069 r_bond_refined_d 0.007 r_gen_planes_refined 0.003 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_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2217 Nucleic Acid Atoms Solvent Atoms 163 Heterogen Atoms 13
Software Software Software Name Purpose REFMAC refinement XDS data reduction XSCALE data scaling PHASER phasing