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Crystal Structure of the Anthrax Lethal Factor (LF): Wild-type LF Complexed with the N-terminal Sequence of MAPKK2
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1J7N PDB entry 1J7N
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 8 1.9M Ammonium sulfate, 0.2M Tris pH 8.0, 2mM EDTA
Crystal Properties Matthews coefficient Solvent content 8.4 86
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 330.7 α = 90 b = 330.7 β = 90 c = 330.7 γ = 90
Symmetry Space Group I 41 3 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 IMAGE PLATE MARRESEARCH 2001-03-28 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 SSRL BL7-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Sym 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 3.9 50.6 84.9 0.103 12.9 3.7 22906 22906
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.9 4 88.1 0.631 2 3.5
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 (Observed) R-Work (Depositor) R-Free (Depositor) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB entry 1J7N 3.9 50.6 22906 1154 85 0.296 0.296 0.316 RANDOM 118.741
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]
RMS Deviations Key Refinement Restraint Deviation p_mcangle_it 2.417 p_scangle_it 2.072 p_mcbond_it 1.415 p_scbond_it 1.245 p_xyhbond_nbd 0.307 p_chiral_restr 0.114 p_bond_d 0.009
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 5734 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling CCP4 model building REFMAC refinement CNS refinement CCP4 phasing CNS phasing