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Crystal structure analysis of O-acetylserine sulfhydrylase CysK2 complexed with cystine from Microcystis aeruginosa 7806
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 2Q3B
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7 289 1.5M (NH4)2SO4, 0.1M Bis-Tris-propane, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 289K
Crystal Properties Matthews coefficient Solvent content 3.4 63.81
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 99.846 α = 90 b = 99.846 β = 90 c = 164.141 γ = 120
Symmetry Space Group P 65 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 2011-12-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRF BEAMLINE BL17U 0.97915 SSRF BL17U
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 1.91 50 99.1 36107 -3
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.38 99.3
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 2Q3B 1.91 32.06 30172 1893 99.71 0.20163 0.20308 0.20163 0.2032 0.23028 0.2304 RANDOM 33.199
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] 0.64 0.32 0.64 -0.97
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.297 r_dihedral_angle_4_deg 15.499 r_dihedral_angle_3_deg 11.631 r_dihedral_angle_1_deg 5.536 r_angle_refined_deg 1.304 r_chiral_restr 0.082 r_bond_refined_d 0.009 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 36.297 r_dihedral_angle_4_deg 15.499 r_dihedral_angle_3_deg 11.631 r_dihedral_angle_1_deg 5.536 r_angle_refined_deg 1.304 r_chiral_restr 0.082 r_bond_refined_d 0.009 r_gen_planes_refined 0.006 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_mcangle_other r_scbond_it r_scbond_other r_scangle_it 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 2329 Nucleic Acid Atoms Solvent Atoms 220 Heterogen Atoms 29
Software Software Software Name Purpose ADSC data collection AMoRE phasing REFMAC refinement HKL-2000 data reduction SCALA data scaling