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Crystal structures exploring the origins of the broader specificity of escherichia coli heat-labile enterotoxin compared to cholera toxin
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1EFI PDB ENTRY 1EFI
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 17-19% PEG3350, 150-210 MM NASO4, 7% GLYCEROL, 100 MM BIS-TRIS PROPANE, PH 7.5
Crystal Properties Matthews coefficient Solvent content 3 59
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 112.009 α = 90 b = 96.099 β = 97.22 c = 66.289 γ = 90
Symmetry Space Group C 1 2 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 MARRESEARCH M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON ESRF BEAMLINE ID14-3 ESRF ID14-3
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 2.4 30 96.9 0.06 12.7 2.1 26414 1.5 50.5
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 2.4 2.5 96.5 0.43 3 2.1
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 (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT THROUGHOUT PDB ENTRY 1EFI 2.4 30 25090 1319 96.66 0.21296 0.21173 0.23517 0.2358 RANDOM 49.668
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] 0.83 -0.67 -0.85 -0.14
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.76 r_dihedral_angle_4_deg 25.617 r_dihedral_angle_3_deg 14.262 r_dihedral_angle_1_deg 5.947 r_angle_refined_deg 1.395 r_scangle_it 1.38 r_scbond_it 0.968 r_mcangle_it 0.398 r_mcbond_it 0.228 r_chiral_restr 0.076
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_2_deg 34.76 r_dihedral_angle_4_deg 25.617 r_dihedral_angle_3_deg 14.262 r_dihedral_angle_1_deg 5.947 r_angle_refined_deg 1.395 r_scangle_it 1.38 r_scbond_it 0.968 r_mcangle_it 0.398 r_mcbond_it 0.228 r_chiral_restr 0.076 r_bond_refined_d 0.011 r_gen_planes_refined 0.004 r_bond_other_d r_angle_other_deg r_gen_planes_other r_nbd_refined r_nbd_other r_nbtor_refined r_nbtor_other r_xyhbond_nbd_refined r_xyhbond_nbd_other r_metal_ion_refined r_metal_ion_other r_symmetry_vdw_refined r_symmetry_vdw_other r_symmetry_hbond_refined r_symmetry_hbond_other r_symmetry_metal_ion_refined r_symmetry_metal_ion_other r_mcbond_other r_mcangle_other r_scbond_other r_scangle_other r_long_range_B_refined r_long_range_B_other r_rigid_bond_restr r_sphericity_free r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4120 Nucleic Acid Atoms Solvent Atoms 116 Heterogen Atoms 340
Software Software Software Name Purpose REFMAC refinement MOSFLM data reduction SCALA data scaling MOLREP phasing