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Crystal Structure of the Vibrio cholerae Cytolysin (HlyA) Heptameric Pore
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 7.6 293 20 mM HEPES, 10% PEG 2000, 20 mM Cobalt(III) Hexammine Choride, 1 mM C10E8, pH 7.6, vapor diffusion, hanging drop, temperature 293K
Crystal Properties Matthews coefficient Solvent content 3.75 67.19
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 172.354 α = 90 b = 182.859 β = 90 c = 430.395 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 MARMOSAIC 325 mm CCD 2009-01-01 M MAD 2 1 x-ray 100 CCD MARMOSAIC 325 mm CCD 2009-01-01 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL12-2 1.25499, 1.25462, 1.03317 SSRL BL12-2 2 SYNCHROTRON SSRL BEAMLINE BL12-2 1.00 SSRL BL12-2
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 1,2 2.88 100 98.9 0.096 8.3 4.6 299154 66.7
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) 1,2 2.88 3 96.3 0.505 4.3 28859
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-Factor (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD 2.88 43.956 0.1 275516 13889 90.75 0.2192 0.2176 0.217 0.2486 0.2457 Random 55.2557
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] 9.461 14.9775 -24.4384
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 17.078 f_angle_d 1.053 f_chiral_restr 0.068 f_bond_d 0.008 f_plane_restr 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 62298 Nucleic Acid Atoms Solvent Atoms 650 Heterogen Atoms
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling SHELX phasing PHENIX refinement PDB_EXTRACT data extraction HKL-2000 data collection HKL-2000 data reduction SHELXD phasing