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The Protective Antigen Component of Anthrax Toxin Forms Functional Octameric Complexes
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1TZO PDB ENTRY 1TZO
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 290 74 mM sodium acetate, 7 mM Tris, 0.62 M NaCl, 37 mM tetrabutylammonium bromide, 7% ethanol, 0.07% n-dodecyl-D-maltopyranoside, pH 8, VAPOR DIFFUSION, HANGING DROP, temperature 290K
Crystal Properties Matthews coefficient Solvent content 3.1 60.34
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 125.602 α = 106.64 b = 125.67 β = 110.82 c = 125.823 γ = 110.98
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 2007-05-10 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ALS BEAMLINE 8.3.1 1.0712 ALS 8.3.1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (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 3.209 47.2745 98.14 0.125 0.125 10.78 3.9 94967 87387 1 2 66
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 3.209 3.2451 90.28 0.595 0.595 2.1 3.7 94967
Refinement Statistics Diffraction ID Structure Solution Method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (I) 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 PDB ENTRY 1TZO 3.209 47.274 2.07 0.14 94967 87347 4392 90.28 0.2118 0.2118 0.2099 0.1898 0.2486 0.226 RANDOM
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]
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 32677 Nucleic Acid Atoms Solvent Atoms 8 Heterogen Atoms 16
Software Software Software Name Purpose ADSC data collection PHASER phasing PHENIX refinement HKL-2000 data reduction HKL-2000 data scaling