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Structure of fusion complex of the minor pilin CfaE and major pilin CfaB of CFA/I pili from ETEC E. coli
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 4 The CfaEB protein was solubilized in a buffer containing 20 mM MES at pH 6.0 plus 100 mM NaCl. Crystallization was done in hanging drop setup of 1ul of protein solution with 1ul of well solution consisting of 10-11% PEG 8000, 200 mM ammonium sulfate, 100 mM citrate at pH 4.0, VAPOR DIFFUSION
Crystal Properties Matthews coefficient Solvent content 3.43 64.17
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 66.914 α = 90 b = 45.405 β = 97.4 c = 128.473 γ = 90
Symmetry Space Group P 1 21 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 CCD MARMOSAIC 300 mm CCD M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 22-ID 0.75 APS 22-ID
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 2.1 49 92 0.062 23 7
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method 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 2.3 25 29552 2273 92.15 0.1965 0.19349 0.23438 RANDOM 32.651
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] -2.84 -1.72 6.06 -3.67
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 18.14 r_scangle_it 5.97 r_dihedral_angle_1_deg 3.955 r_scbond_it 3.781 r_mcangle_it 2.275 r_angle_refined_deg 1.58 r_mcbond_it 1.267 r_symmetry_hbond_refined 0.263 r_chiral_restr 0.21 r_nbd_refined 0.203
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 18.14 r_scangle_it 5.97 r_dihedral_angle_1_deg 3.955 r_scbond_it 3.781 r_mcangle_it 2.275 r_angle_refined_deg 1.58 r_mcbond_it 1.267 r_symmetry_hbond_refined 0.263 r_chiral_restr 0.21 r_nbd_refined 0.203 r_symmetry_vdw_refined 0.183 r_xyhbond_nbd_refined 0.153 r_bond_refined_d 0.019 r_gen_planes_refined 0.006 r_bond_other_d r_angle_other_deg r_dihedral_angle_2_deg r_dihedral_angle_4_deg r_gen_planes_other r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_other r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3856 Nucleic Acid Atoms Solvent Atoms 192 Heterogen Atoms 16
Software Software Software Name Purpose HKL-2000 data collection PHASER phasing REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling