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Primitive triclinic crystal form of the human IgE-Fc(epsilon)3-4 bound to its B cell receptor derCD23
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4EZM
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 291 26 % (w/v) PEG 1,500 and 20 % (v/v) glycerol, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K
Crystal Properties Matthews coefficient Solvent content 2.96 58.51
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 48.79 α = 100.67 b = 63.84 β = 90.13 c = 163.89 γ = 103.49
Diffraction Diffraction Experiment ID # Crystal ID Scattering Type Data Collection Temperature Detector Detector Type Details Collection Date Monochromator Protocol 1 1 x-ray 100 PIXEL DECTRIS PILATUS 6M 2011-10-24 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I04 1.0332 Diamond I04
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 3.2 80.4 96.8 31141 30145 61.53
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.2 3.37 98.4
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Number Reflections (All) Number Reflections (Observed) Number Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) 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 MOLECULAR REPLACEMENT THROUGHOUT 4EZM 3.2 80.4 31141 30144 1523 96.79 0.2341 0.2341 0.2325 0.2632 0.266 0.2795 RANDOM 79.91
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] 6.3024 -6.2953 -3.3272 -14.294 -4.8153 7.9916
RMS Deviations Key Refinement Restraint Deviation t_other_torsion 18.25 t_omega_torsion 1.7 t_angle_deg 0.9 t_bond_d 0.007 t_dihedral_angle_d t_trig_c_planes t_gen_planes t_it t_chiral_improper_torsion t_ideal_dist_contact
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10886 Nucleic Acid Atoms Solvent Atoms 3 Heterogen Atoms 244
Software Software Software Name Purpose MOSFLM data reduction PHASES phasing BUSTER refinement SCALA data scaling