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Crystal Structure of the Middle Domain of HtpG, the E. coli Hsp90
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1HK7
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 293 0.2 M SODIUM ACETATE TRIHYDRATE, 0.1 M TRIS PH 8.5, 27-32% PEG 4000 OR PEG 2000 MME, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 2 38.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 31.567 α = 90 b = 149.167 β = 99.01 c = 60.224 γ = 90
Symmetry Space Group P 1 21 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 CCD ADSC QUANTUM 210 2003-10-25 M SINGLE WAVELENGTH 2 1 x-ray 100 CCD ADSC QUANTUM 210 2004-01-09 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 0.97959 ALS 8.3.1 2 SYNCHROTRON ALS BEAMLINE 8.2.1 1.0781 ALS 8.2.1
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 1.9 20 97.7 0.107 23 85118 42074
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) 1.9 1.93 98.1 0.344 4.9 3.5
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 Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT 1HK7 1.9 19.83 43129 39564 2129 96.67 0.17725 0.17524 0.1852 0.21438 RANDOM 17.444
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] -0.01 -0.01 0.03 -0.01
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.938 r_dihedral_angle_4_deg 17.3 r_dihedral_angle_3_deg 13.887 r_dihedral_angle_1_deg 5.784 r_scangle_it 3.506 r_scbond_it 2.451 r_mcangle_it 1.564 r_mcbond_it 1.402 r_angle_refined_deg 1.37 r_angle_other_deg 0.922
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.938 r_dihedral_angle_4_deg 17.3 r_dihedral_angle_3_deg 13.887 r_dihedral_angle_1_deg 5.784 r_scangle_it 3.506 r_scbond_it 2.451 r_mcangle_it 1.564 r_mcbond_it 1.402 r_angle_refined_deg 1.37 r_angle_other_deg 0.922 r_mcbond_other 0.223 r_nbd_refined 0.207 r_symmetry_vdw_other 0.199 r_nbd_other 0.195 r_nbtor_refined 0.181 r_symmetry_vdw_refined 0.177 r_xyhbond_nbd_refined 0.172 r_symmetry_hbond_refined 0.172 r_nbtor_other 0.086 r_chiral_restr 0.085 r_bond_refined_d 0.013 r_gen_planes_refined 0.005 r_bond_other_d 0.001 r_gen_planes_other 0.001 r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4346 Nucleic Acid Atoms Solvent Atoms 481 Heterogen Atoms
Software Software Software Name Purpose REFMAC refinement SCALEPACK data scaling CNS refinement DENZO data reduction PDB_EXTRACT data extraction CNS phasing