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Crystal structure of human IGA2M1 FC fragment-FC-alpha receptor (CD89) complex
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1OW0
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 8 294 0.15 M sodium chloride
0.1 M Tris-HCl pH 8.0
15% PEG 1000
Crystal Properties Matthews coefficient Solvent content 2.96 58.4
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 46.683 α = 90 b = 129.553 β = 90 c = 183.343 γ = 90
Symmetry Space Group C 2 2 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 16M 2025-05-16 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL12-2 0.97946 SSRL BL12-2
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 2.3 50 96.2 0.127 0.056 0.99 29.9 6.2 24454
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) Rpim I (All) CC (Half) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 2.3 2.34 99.9 0.578 0.8 2.8 6.3
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 FREE R-VALUE 2.3 31.91 1.33 24299 1248 96.2 0.215 0.2131 0.2137 0.249 0.2481
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 f_dihedral_angle_d 20.126 f_angle_d 0.815 f_chiral_restr 0.047 f_plane_restr 0.007 f_bond_d 0.004
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3160 Nucleic Acid Atoms Solvent Atoms 88 Heterogen Atoms 82
Software Software Software Name Purpose PHENIX refinement HKL-3000 data reduction HKL-3000 data scaling PHASER phasing