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Crystal structure of the bacterial antitoxin HigA from Escherichia coli at pH 4.0. Northeast Structural Genomics Consortium TARGET ER390.
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 4 293 200 mM MgCl2, 20% PEG 20K, 100 mM Na3Citrate pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties Matthews coefficient Solvent content 1.85 33.67
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 83.127 α = 90 b = 23.526 β = 94.05 c = 41.593 γ = 90
Symmetry Space Group C 1 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 100 IMAGE PLATE RIGAKU RAXIS IV Osmic 2005-05-17 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE RIGAKU 1.54
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 1.88 60 90.8 0.049 18.4 2.5 11592
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 1.88 1.91 55.1 0.174 1.5 341
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 1.88 40 812 10485 1036 82 0.184 0.2007 0.225 0.2405 23.711
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] -1.064 -2.349 2.313 -1.249
RMS Deviations Key Refinement Restraint Deviation c_scangle_it 6.222 c_scbond_it 3.875 c_mcangle_it 2.769 c_mcbond_it 1.783
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 672 Nucleic Acid Atoms Solvent Atoms 74 Heterogen Atoms 1
Software Software Software Name Purpose CNS refinement SCALEPACK data scaling COMO phasing REFMAC refinement PDB_EXTRACT data extraction DENZO data reduction