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Crystal structure of a Fc fragment LALA mutant (L234A, L235A) of human IgG1 (crystal form 2)
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 3AVE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, HANGING DROP 6.5 294 25% PEG 3,350
0.1 M Bus-Tris pH 6.5
Crystal Properties Matthews coefficient Solvent content 2.77 55.54
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 49 α = 90 b = 74.834 β = 90 c = 145.768 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 PILATUS 6M FLAT SI RH COATED M0 2017-05-31 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) 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 2.44 50 91.7 0.163 0.071 20.5 5.3 19011
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 2.44 2.48 69.7 0.749 0.399 0.741 3.9
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model 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 3AVE 2.44 40.753 2 18920 971 91.23 0.2184 0.216 0.2183 0.2635 0.2751
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 7.482 f_angle_d 1.656 f_chiral_restr 0.076 f_bond_d 0.014 f_plane_restr 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 3337 Nucleic Acid Atoms Solvent Atoms 3 Heterogen Atoms 198
Software Software Software Name Purpose PHENIX refinement REFMAC refinement HKL-2000 data reduction HKL-2000 data scaling PHASER phasing