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The crystal structure of IgE Fc reveals an asymmetrically bent conformation
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 8.5 295 42.5% saturated ammonium sulphate, 100mM Tris ph 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal Properties Matthews coefficient Solvent content 2.62 52.98
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 129.31 α = 90 b = 74.83 β = 90 c = 78.65 γ = 90
Symmetry Space Group P 21 21 2
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 BRANDEIS - B4 toroidal mirror 2000-10-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON NSLS BEAMLINE X12C 1.1 NSLS X12C
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 2.6 54 99.8 0.063 0.063 8.8 6.3 24126 24126 2 2 53.1
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 2.6 2.67 99.5 0.387 0.353 2 5.6 1686
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MAD THROUGHOUT 2.6 54 24147 24083 1230 99.7 0.218 0.2213 0.297 0.2351 random 46
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]
RMS Deviations Key Refinement Restraint Deviation c_dihedral_angle_d 25.954 c_scangle_it 3.002 c_scbond_it 2.977 c_mcangle_it 1.832 c_mcbond_it 1.642 c_angle_deg 1.407 c_improper_angle_d 0.911 c_bond_d 0.008
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 4994 Nucleic Acid Atoms Solvent Atoms 244 Heterogen Atoms 198
Software Software Software Name Purpose DENZO data reduction SCALA data scaling SOLVE phasing MLPHARE phasing FFFEAR model building CNS refinement CCP4 data scaling FFFEAR phasing