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Crystal structure of hFcgammaRI-FAb complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 4W4O Immunoglobulin gamma Fc receptor I experimental model PDB 1I8M Antibody FAb
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 7.5 298 MOPS/HEPES buffer pH 7.5
0.12 M alcohol mixture
30% PEG20k-PEG MME550 mixture
Crystal Properties Matthews coefficient Solvent content 3.65 66.31
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 121.715 α = 90 b = 126.491 β = 90 c = 141.483 γ = 90
Symmetry Space Group P 21 21 21
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 EIGER2 X CdTe 9M 2024-09-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON DIAMOND BEAMLINE I24 0.61992 Diamond I24
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) 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 57.806 100 0.946 0.192 0.975 4.1 25.1 36765
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 3.2 3.34 100 4.17 0.855 0.515 1.2 25.4
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 (All) R-Work (Depositor) R-Work (DCC) R-Free (Depositor) R-Free (DCC) R-Free Selection Details Mean Isotropic B X-RAY DIFFRACTION MOLECULAR REPLACEMENT FREE R-VALUE 3.2 57.7 36695 2083 99.946 0.262 0.2591 0.2694 0.314 0.326 Random 72.824
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] -5.386 10.826 -5.44
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 16.812 r_lrange_it 14.732 r_dihedral_angle_6_deg 14.349 r_scangle_it 9.887 r_mcangle_it 8.556 r_dihedral_angle_2_deg 7.41 r_dihedral_angle_1_deg 6.991 r_scbond_it 6.104 r_mcbond_it 5.157 r_angle_refined_deg 1.775
RMS Deviations Key Refinement Restraint Deviation r_dihedral_angle_3_deg 16.812 r_lrange_it 14.732 r_dihedral_angle_6_deg 14.349 r_scangle_it 9.887 r_mcangle_it 8.556 r_dihedral_angle_2_deg 7.41 r_dihedral_angle_1_deg 6.991 r_scbond_it 6.104 r_mcbond_it 5.157 r_angle_refined_deg 1.775 r_symmetry_nbd_refined 0.406 r_nbtor_refined 0.315 r_nbd_refined 0.243 r_symmetry_xyhbond_nbd_refined 0.238 r_xyhbond_nbd_refined 0.211 r_chiral_restr 0.118 r_gen_planes_refined 0.01 r_bond_refined_d 0.007 r_ext_dist_refined_b 0.003
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 10858 Nucleic Acid Atoms Solvent Atoms Heterogen Atoms 171
Software Software Software Name Purpose REFMAC refinement xia2 data reduction Aimless data scaling PHASER phasing Coot model building