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Crystal Structure of Anthrax Protective Antigen K446M Mutant to 1.91-A Resolution
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3TEW pdb entry 3TEW
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 292 0.1M tris, 20% peg2k-MME, 0.2M TMAO, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Crystal Properties Matthews coefficient Solvent content 2.35 47.61
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 71.216 α = 90 b = 93.512 β = 90 c = 116.918 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 ADSC QUANTUM 315r 2010-06-29 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.1159 ALS 8.3.1
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 1.91 50 98.9 0.111 10.8 4 61138 60706 2 1 28.41
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 1.91 1.94 96.1 0.506 3.7 2901
Refinement Statistics Diffraction ID Structure Solution 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 (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 pdb entry 3TEW 1.91 40.685 1.34 61138 60706 1989 99.04 0.2305 0.2293 0.2267 0.2652 0.2575 Random 44.771
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] -14.9509 -11.0866 22.0368
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 12.971 f_angle_d 1.075 f_chiral_restr 0.075 f_bond_d 0.008 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5560 Nucleic Acid Atoms Solvent Atoms 147 Heterogen Atoms 2
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling PHASER phasing PHENIX refinement PDB_EXTRACT data extraction ADSC data collection HKL-2000 data reduction