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An engineered disulfide bond reversibly traps the IgE-Fc3-4 in a closed, non-receptor binding conformation
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION 4.5 298 20 mM sodium acetate, pH 4.6, 28.8% (w/v) PEG 4000, 2% (w/v) Anapoe -X-405, VAPOR DIFFUSION, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.59 52.49
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 106.753 α = 90 b = 104.807 β = 94.51 c = 45.899 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 200 CCD MARRESEARCH 2004-11-03 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON APS BEAMLINE 5ID-B 1.007570 APS 5ID-B
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 2.61 30 97.1 0.069 0.069 13.8 30718 29836
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) 1 2.61 2.77 93.7 0.354 0.354 3.99 3.4
Refinement Statistics Diffraction ID Structure Solution Method Resolution (High) Resolution (Low) Cut-off Sigma (F) Number Reflections (All) 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) Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT 2.61 29.204 1.38 30718 29833 1395 97.24 0.1924 0.1897 0.1916 0.2527 0.2529
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] 1.7573 3.4062 -0.1393 -1.6181
RMS Deviations Key Refinement Restraint Deviation f_dihedral_angle_d 22.75 f_angle_d 1.194 f_chiral_restr 0.068 f_bond_d 0.009 f_plane_restr 0.005
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 6723 Nucleic Acid Atoms Solvent Atoms 126 Heterogen Atoms 233
Software Software Software Name Purpose MAR345dtb data collection PHASER phasing PHENIX refinement XDS data reduction XSCALE data scaling