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FC FRAGMENT OF RITUXIMAB BOUND TO A MINIMIZED VERSION OF THE B-DOMAIN FROM PROTEIN A CALLED Z34C
Starting Model(s) Initial Refinement Model(s) Type Source Accession Code Details experimental model PDB 1FC1 1.95A Fc-Z34C complex collected at Chess. Fc was solved by molecular replacement using 2.8A 1FC1 Deisenhofer 1981
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 VAPOR DIFFUSION, SITTING DROP 6 298 20% PEG 550MME 0.1M NaOAc pH 5.5, 0.25M NaCl, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Crystal Properties Matthews coefficient Solvent content 2.74 55.04
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 54.023 α = 90 b = 124.774 β = 90 c = 90.131 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 IMAGE PLATE MARRESEARCH 1997-05-15 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 SYNCHROTRON SSRL BEAMLINE BL7-1 1.08 SSRL BL7-1
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (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 1.65 20 95.4 0.036 17.8 4 35573 35573 17.4
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 1 1.65 1.68 88.7 0.133 1619
Refinement Statistics Diffraction ID Structure Solution Method Cross Validation method Starting model Resolution (High) Resolution (Low) Cut-off Sigma (F) 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 1.95A Fc-Z34C complex collected
at Chess. Fc was solved by molecular
replacement using 2.8A 1FC1 Deisenhofer
1981 1.65 20 0.1 35217 35143 3495 94.8 0.242 0.206 0.206 0.2031 0.284 0.2787 RANDOM 24.8
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 x_dihedral_angle_d 27.9 x_scangle_it 6.97 x_scbond_it 4.75 x_mcangle_it 4.48 x_mcbond_it 3.35 x_angle_deg 1.5 x_improper_angle_d 0.8 x_bond_d 0.01
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 1949 Nucleic Acid Atoms Solvent Atoms 360 Heterogen Atoms 121
Software Software Software Name Purpose DENZO data reduction SCALEPACK data scaling AMoRE phasing X-PLOR refinement