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DELETION OF A BURIED SALT BRIDGE IN BARNASE
Crystallization Crystalization Experiments ID Method pH Temperature Details 1 7.5 DROP: 8-12 MG/ML PROTEIN 6 MM ZNSO4 0.6 M (NH4)2SO4 WELL: 2.58-2.73 M AMMONIUM PHOSPHATE BUFFER, PH 7.5 1-2 MM ZNSO4 0.15-0.30 M (NH4)2SO4 5-10 MM NH4OH
Crystal Properties Matthews coefficient Solvent content 2.11 42
Crystal Data Unit Cell Length ( Å ) Angle ( ˚ ) a = 57.78 α = 90 b = 57.78 β = 90 c = 81.42 γ = 120
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 SUPER DOUBLE MIRRORS 1997-05-19 M SINGLE WAVELENGTH
Radiation Source ID # Source Type Wavelength List Synchrotron Site Beamline 1 ROTATING ANODE ELLIOTT GX-13
Data Collection Overall ID # Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge 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 2.01 21.32 91.4 0.067 10.06 1.8 18526 12.67
Highest Resolution Shell ID # Resolution (High) Resolution (Low) Percent Possible (All) Percent Possible (Observed) R Merge I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All) 2.01 2.12 59.3 0.144 5.1 1.6
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-Work (Depositor) R-Free (Depositor) R-Free (DCC) Mean Isotropic B X-RAY DIFFRACTION OTHER THROUGHOUT 2 19 16993 91.4 0.188 0.268 0.2678 19.3
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 p_transverse_tor 17.7 p_staggered_tor 16.8 p_planar_tor 3.3 p_mcangle_it 1.369 p_scangle_it 1.238 p_mcbond_it 0.821 p_scbond_it 0.79 p_multtor_nbd 0.235 p_singtor_nbd 0.17 p_xyhbond_nbd 0.149
RMS Deviations Key Refinement Restraint Deviation p_transverse_tor 17.7 p_staggered_tor 16.8 p_planar_tor 3.3 p_mcangle_it 1.369 p_scangle_it 1.238 p_mcbond_it 0.821 p_scbond_it 0.79 p_multtor_nbd 0.235 p_singtor_nbd 0.17 p_xyhbond_nbd 0.149 p_chiral_restr 0.084 p_angle_d 0.022 p_planar_d 0.019 p_bond_d 0.006 p_angle_deg p_hb_or_metal_coord p_plane_restr p_xhyhbond_nbd p_orthonormal_tor p_special_tor
Non-Hydrogen Atoms Used in Refinement Non-Hydrogen Atoms Number Protein Atoms 2590 Nucleic Acid Atoms Solvent Atoms 339 Heterogen Atoms 1
Software Software Software Name Purpose X-PLOR model building REFMAC refinement iMOSFLM data reduction CCP4 data scaling X-PLOR phasing