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Hfq protein from Pseudomonas aeruginosa. Low-salt crystals
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1HK9 PDB ENTRY 1HK9
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8.5 295 200 mM NH4Cl, 12% PEG 4000, 50 mM Tris-HCl, 5 mM CdCl2, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.48 50
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 61 α = 90 b = 73.26 β = 90 c = 106.18 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 MARRESEARCH 2003-12-06 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 0.97 MPG/DESY, HAMBURG BW6
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 1.6 15 97.1 0.042 15.9 4 61968 61968 22
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) 1.6 1.7 93.8 0.325 3.7 3.5 9412
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 1HK9 1.6 8 2 61693 61217 3063 97.2 0.313 0.223 0.223 0.2232 0.25 0.2482 RANDOM 29.7
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] -8.21 -2.21 10.42
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25 c_scangle_it 5.95 c_scbond_it 4.29 c_mcangle_it 3.98 c_mcbond_it 2.51 c_angle_deg 1.3 c_improper_angle_d 0.95 c_bond_d 0.006 c_bond_d_na c_bond_d_prot
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25 c_scangle_it 5.95 c_scbond_it 4.29 c_mcangle_it 3.98 c_mcbond_it 2.51 c_angle_deg 1.3 c_improper_angle_d 0.95 c_bond_d 0.006 c_bond_d_na c_bond_d_prot c_angle_d c_angle_d_na c_angle_d_prot c_angle_deg_na c_angle_deg_prot c_dihedral_angle_d_na c_dihedral_angle_d_prot c_improper_angle_d_na c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3178 Nucleic Acid Atoms Solvent Atoms 243 Heterogen Atoms
Software Software Software Name Purpose CNS refinement XDS data reduction XDS data scaling AMoRE phasing